diff --git a/Cargo.lock b/Cargo.lock
index b48e200..8706ea3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -56,9 +56,9 @@ checksum = "cff77d8686867eceff3105329d4698d96c2391c176d5d03adc90c7389162b5b8"
 
 [[package]]
 name = "async-trait"
-version = "0.1.36"
+version = "0.1.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a265e3abeffdce30b2e26b7a11b222fe37c6067404001b434101457d0385eb92"
+checksum = "6e1a4a2f97ce50c9d0282c1468816208588441492b40d813b2e0419c22c05e7f"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -76,12 +76,6 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
-[[package]]
-name = "autocfg"
-version = "0.1.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d49d90015b3c36167a20fe2810c5cd875ad504b39cff3d4eae7977e6b7c1cb2"
-
 [[package]]
 name = "autocfg"
 version = "1.0.0"
@@ -168,9 +162,9 @@ dependencies = [
 
 [[package]]
 name = "chrono"
-version = "0.4.13"
+version = "0.4.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c74d84029116787153e02106bf53e66828452a4b325cc8652b788b5967c0a0b6"
+checksum = "942f72db697d8767c22d46a598e01f2d3b475501ea43d0db4f16d90259182d0b"
 dependencies = [
  "num-integer",
  "num-traits",
@@ -193,15 +187,6 @@ dependencies = [
  "vec_map",
 ]
 
-[[package]]
-name = "cloudabi"
-version = "0.0.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
-dependencies = [
- "bitflags",
-]
-
 [[package]]
 name = "cloudabi"
 version = "0.1.0"
@@ -224,9 +209,9 @@ dependencies = [
 
 [[package]]
 name = "console"
-version = "0.11.3"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c0994e656bba7b922d8dd1245db90672ffb701e684e45be58f20719d69abc5a"
+checksum = "c0b1aacfaffdbff75be81c15a399b4bedf78aaefe840e8af1d299ac2ade885d2"
 dependencies = [
  "encode_unicode",
  "lazy_static",
@@ -298,12 +283,6 @@ version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
-[[package]]
-name = "fuchsia-cprng"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
-
 [[package]]
 name = "fuchsia-zircon"
 version = "0.3.3"
@@ -510,24 +489,10 @@ dependencies = [
 
 [[package]]
 name = "indoc"
-version = "0.3.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "47741a8bc60fb26eb8d6e0238bbb26d8575ff623fdc97b1a2c00c050b9684ed8"
-dependencies = [
- "indoc-impl",
- "proc-macro-hack",
-]
-
-[[package]]
-name = "indoc-impl"
-version = "0.3.6"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ce046d161f000fffde5f432a0d034d0341dc152643b2598ed5bfce44c4f3a8f0"
+checksum = "644defcefee68d7805653a682e99a2e2a5014a1fc3cc9be7059a215844eeea6f"
 dependencies = [
- "proc-macro-hack",
- "proc-macro2",
- "quote",
- "syn",
  "unindent",
 ]
 
@@ -638,25 +603,13 @@ dependencies = [
  "log",
 ]
 
-[[package]]
-name = "kg-symbol"
-version = "0.1.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ebed570a32d520a277ac623b15650c199ea91fb410f1263d05cccac126b42d73"
-dependencies = [
- "heapsize",
- "lazy_static",
- "parking_lot 0.8.0",
- "serde",
-]
-
 [[package]]
 name = "kg-symbol"
 version = "0.2.0"
 dependencies = [
  "heapsize",
  "lazy_static",
- "parking_lot 0.11.0",
+ "parking_lot",
  "serde",
 ]
 
@@ -685,7 +638,7 @@ dependencies = [
  "kg-diag-derive",
  "kg-display",
  "kg-display-derive",
- "kg-symbol 0.2.0",
+ "kg-symbol",
  "kg-utils",
  "lazy_static",
  "regex",
@@ -701,7 +654,7 @@ name = "kg-utils"
 version = "0.4.0"
 dependencies = [
  "heapsize",
- "parking_lot 0.11.0",
+ "parking_lot",
  "serde",
 ]
 
@@ -776,15 +729,6 @@ version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8dd5a6d5999d9907cda8ed67bbd137d3af8085216c2ac62de5be860bd41f304a"
 
-[[package]]
-name = "lock_api"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed946d4529956a20f2d63ebe1b69996d5a2137c91913fe3ebbeff957f5bca7ff"
-dependencies = [
- "scopeguard",
-]
-
 [[package]]
 name = "lock_api"
 version = "0.4.1"
@@ -818,12 +762,6 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
 
-[[package]]
-name = "maybe-uninit"
-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60302e4db3a61da70c0cb7991976248362f30319e88850c487b9b95bbf059e00"
-
 [[package]]
 name = "md5"
 version = "0.6.1"
@@ -961,7 +899,7 @@ version = "0.1.43"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8d59457e662d541ba17869cf51cf177c0b5f0cbf476c66bdc90bf1edac4f875b"
 dependencies = [
- "autocfg 1.0.0",
+ "autocfg",
  "num-traits",
 ]
 
@@ -971,7 +909,7 @@ version = "0.1.41"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7a6e6b7c748f995c4c29c5f5ae0248536e04a5739927c74ec0fa564805094b9f"
 dependencies = [
- "autocfg 1.0.0",
+ "autocfg",
  "num-integer",
  "num-traits",
 ]
@@ -982,7 +920,7 @@ version = "0.2.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac267bcc07f48ee5f8935ab0d24f316fb722d7a1292e2913f0cc196b29ffd611"
 dependencies = [
- "autocfg 1.0.0",
+ "autocfg",
 ]
 
 [[package]]
@@ -1011,7 +949,7 @@ checksum = "0b631f7e854af39a1739f401cf34a8a013dfe09eac4fa4dba91e9768bd28168d"
 name = "op-cli"
 version = "0.1.1"
 dependencies = [
- "chrono 0.4.13",
+ "chrono 0.4.15",
  "console",
  "futures",
  "kg-diag",
@@ -1041,7 +979,7 @@ name = "op-core"
 version = "0.1.0"
 dependencies = [
  "async-trait",
- "chrono 0.4.13",
+ "chrono 0.4.15",
  "futures",
  "kg-diag",
  "kg-diag-derive",
@@ -1077,7 +1015,7 @@ dependencies = [
  "kg-diag-derive",
  "kg-display-derive",
  "kg-utils",
- "rand 0.7.3",
+ "rand",
  "serde",
  "serde_derive",
  "tokio",
@@ -1089,14 +1027,14 @@ name = "op-exec"
 version = "0.1.1"
 dependencies = [
  "bytes",
- "chrono 0.4.13",
+ "chrono 0.4.15",
  "futures",
  "git2",
  "kg-diag",
  "kg-diag-derive",
  "kg-display-derive",
  "kg-lang",
- "kg-symbol 0.1.10",
+ "kg-symbol",
  "kg-template",
  "kg-tree",
  "kg-utils",
@@ -1107,10 +1045,10 @@ dependencies = [
  "op-rev",
  "op-test-helpers",
  "os_pipe",
- "parking_lot 0.11.0",
+ "parking_lot",
  "pin-project",
  "pretty_assertions",
- "rand 0.7.3",
+ "rand",
  "regex",
  "rexpect",
  "rmp-serde",
@@ -1154,13 +1092,13 @@ dependencies = [
  "kg-diag-derive",
  "kg-display",
  "kg-display-derive",
- "kg-symbol 0.1.10",
+ "kg-symbol",
  "kg-tree",
  "kg-utils",
  "libc",
  "op-rev",
  "op-test-helpers",
- "parking_lot 0.11.0",
+ "parking_lot",
  "pretty_assertions",
  "serde",
  "serde_derive",
@@ -1213,7 +1151,7 @@ version = "0.9.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a842db4709b604f0fe5d1170ae3565899be2ad3d9cbc72dedc789ac0511f78de"
 dependencies = [
- "autocfg 1.0.0",
+ "autocfg",
  "cc",
  "libc",
  "pkg-config",
@@ -1239,17 +1177,6 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
-[[package]]
-name = "parking_lot"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fa7767817701cce701d5585b9c4db3cdd02086398322c1d7e8bf5094a96a2ce7"
-dependencies = [
- "lock_api 0.2.0",
- "parking_lot_core 0.5.0",
- "rustc_version",
-]
-
 [[package]]
 name = "parking_lot"
 version = "0.11.0"
@@ -1257,24 +1184,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a4893845fa2ca272e647da5d0e46660a314ead9c2fdd9a883aabc32e481a8733"
 dependencies = [
  "instant",
- "lock_api 0.4.1",
- "parking_lot_core 0.8.0",
-]
-
-[[package]]
-name = "parking_lot_core"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cb88cb1cb3790baa6776844f968fea3be44956cf184fa1be5a03341f5491278c"
-dependencies = [
- "cfg-if",
- "cloudabi 0.0.3",
- "libc",
- "rand 0.6.5",
- "redox_syscall",
- "rustc_version",
- "smallvec 0.6.13",
- "winapi 0.3.9",
+ "lock_api",
+ "parking_lot_core",
 ]
 
 [[package]]
@@ -1284,11 +1195,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c361aa727dd08437f2f1447be8b59a33b0edd15e0fcee698f935613d9efbca9b"
 dependencies = [
  "cfg-if",
- "cloudabi 0.1.0",
+ "cloudabi",
  "instant",
  "libc",
  "redox_syscall",
- "smallvec 1.4.1",
+ "smallvec",
  "winapi 0.3.9",
 ]
 
@@ -1300,18 +1211,18 @@ checksum = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
 
 [[package]]
 name = "pin-project"
-version = "0.4.22"
+version = "0.4.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12e3a6cdbfe94a5e4572812a0201f8c0ed98c1c452c7b8563ce2276988ef9c17"
+checksum = "ca4433fff2ae79342e497d9f8ee990d174071408f28f726d6d83af93e58e48aa"
 dependencies = [
  "pin-project-internal",
 ]
 
 [[package]]
 name = "pin-project-internal"
-version = "0.4.22"
+version = "0.4.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a0ffd45cf79d88737d7cc85bfd5d2894bee1139b356e616fe85dc389c61aaf7"
+checksum = "2c0e815c3ee9a031fdf5af21c10aa17c573c9c6a566328d99e3936c34e36461f"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1410,25 +1321,6 @@ dependencies = [
  "proc-macro2",
 ]
 
-[[package]]
-name = "rand"
-version = "0.6.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d71dacdc3c88c1fde3885a3be3fbab9f35724e6ce99467f7d9c5026132184ca"
-dependencies = [
- "autocfg 0.1.7",
- "libc",
- "rand_chacha 0.1.1",
- "rand_core 0.4.2",
- "rand_hc 0.1.0",
- "rand_isaac",
- "rand_jitter",
- "rand_os",
- "rand_pcg",
- "rand_xorshift",
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "rand"
 version = "0.7.3"
@@ -1437,19 +1329,9 @@ checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
 dependencies = [
  "getrandom",
  "libc",
- "rand_chacha 0.2.2",
- "rand_core 0.5.1",
- "rand_hc 0.2.0",
-]
-
-[[package]]
-name = "rand_chacha"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "556d3a1ca6600bfcbab7c7c91ccb085ac7fbbcd70e008a98742e7847f4f7bcef"
-dependencies = [
- "autocfg 0.1.7",
- "rand_core 0.3.1",
+ "rand_chacha",
+ "rand_core",
+ "rand_hc",
 ]
 
 [[package]]
@@ -1459,24 +1341,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
 dependencies = [
  "ppv-lite86",
- "rand_core 0.5.1",
-]
-
-[[package]]
-name = "rand_core"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
-dependencies = [
- "rand_core 0.4.2",
+ "rand_core",
 ]
 
-[[package]]
-name = "rand_core"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c33a3c44ca05fa6f1807d8e6743f3824e8509beca625669633be0acbdf509dc"
-
 [[package]]
 name = "rand_core"
 version = "0.5.1"
@@ -1486,84 +1353,13 @@ dependencies = [
  "getrandom",
 ]
 
-[[package]]
-name = "rand_hc"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b40677c7be09ae76218dc623efbf7b18e34bced3f38883af07bb75630a21bc4"
-dependencies = [
- "rand_core 0.3.1",
-]
-
 [[package]]
 name = "rand_hc"
 version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
 dependencies = [
- "rand_core 0.5.1",
-]
-
-[[package]]
-name = "rand_isaac"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ded997c9d5f13925be2a6fd7e66bf1872597f759fd9dd93513dd7e92e5a5ee08"
-dependencies = [
- "rand_core 0.3.1",
-]
-
-[[package]]
-name = "rand_jitter"
-version = "0.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1166d5c91dc97b88d1decc3285bb0a99ed84b05cfd0bc2341bdf2d43fc41e39b"
-dependencies = [
- "libc",
- "rand_core 0.4.2",
- "winapi 0.3.9",
-]
-
-[[package]]
-name = "rand_os"
-version = "0.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b75f676a1e053fc562eafbb47838d67c84801e38fc1ba459e8f180deabd5071"
-dependencies = [
- "cloudabi 0.0.3",
- "fuchsia-cprng",
- "libc",
- "rand_core 0.4.2",
- "rdrand",
- "winapi 0.3.9",
-]
-
-[[package]]
-name = "rand_pcg"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "abf9b09b01790cfe0364f52bf32995ea3c39f4d2dd011eac241d2914146d0b44"
-dependencies = [
- "autocfg 0.1.7",
- "rand_core 0.4.2",
-]
-
-[[package]]
-name = "rand_xorshift"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cbf7e9e623549b0e21f6e97cf8ecf247c1a8fd2e8a992ae265314300b2455d5c"
-dependencies = [
- "rand_core 0.3.1",
-]
-
-[[package]]
-name = "rdrand"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
-dependencies = [
- "rand_core 0.3.1",
+ "rand_core",
 ]
 
 [[package]]
@@ -1639,9 +1435,9 @@ dependencies = [
 
 [[package]]
 name = "rmp-serde"
-version = "0.14.3"
+version = "0.14.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c1ee98f14fe8b8e9c5ea13d25da7b2a1796169202c57a09d7288de90d56222b"
+checksum = "4ce7d70c926fe472aed493b902010bccc17fa9f7284145cb8772fd22fdb052d8"
 dependencies = [
  "byteorder",
  "rmp",
@@ -1807,21 +1603,12 @@ version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ddc0d2aff1f8f325ef660d9a0eb6e6dcd20b30b3f581a5897f58bf42d061c37a"
 dependencies = [
- "chrono 0.4.13",
+ "chrono 0.4.15",
  "serde",
  "serde_json",
  "slog",
 ]
 
-[[package]]
-name = "smallvec"
-version = "0.6.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7b0758c52e15a8b5e3691eae6cc559f08eee9406e548a4477ba4e67770a82b6"
-dependencies = [
- "maybe-uninit",
-]
-
 [[package]]
 name = "smallvec"
 version = "1.4.1"
@@ -1912,9 +1699,9 @@ checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
 
 [[package]]
 name = "structopt"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "de2f5e239ee807089b62adce73e48c625e0ed80df02c7ab3f068f5db5281065c"
+checksum = "de5472fb24d7e80ae84a7801b7978f95a19ec32cb1876faea59ab711eb901976"
 dependencies = [
  "clap",
  "lazy_static",
@@ -1923,9 +1710,9 @@ dependencies = [
 
 [[package]]
 name = "structopt-derive"
-version = "0.4.8"
+version = "0.4.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "510413f9de616762a4fbeab62509bf15c729603b72d7cd71280fbca431b1c118"
+checksum = "1e0eb37335aeeebe51be42e2dc07f031163fbabfa6ac67d7ea68b5c2f68d5f99"
 dependencies = [
  "heck",
  "proc-macro-error",
@@ -1976,7 +1763,7 @@ checksum = "7a6e24d9338a0a5be79593e2fa15a648add6138caa803e2d5bc782c371732ca9"
 dependencies = [
  "cfg-if",
  "libc",
- "rand 0.7.3",
+ "rand",
  "redox_syscall",
  "remove_dir_all",
  "winapi 0.3.9",
@@ -2119,9 +1906,9 @@ dependencies = [
 
 [[package]]
 name = "tracing"
-version = "0.1.17"
+version = "0.1.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dbdf4ccd1652592b01286a5dbe1e2a77d78afaa34beadd9872a5f7396f92aaa9"
+checksum = "6d79ca061b032d6ce30c660fded31189ca0b9922bf483cd70759f13a2d86786c"
 dependencies = [
  "cfg-if",
  "tracing-attributes",
@@ -2130,9 +1917,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-attributes"
-version = "0.1.9"
+version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0693bf8d6f2bf22c690fc61a9d21ac69efdbb894a17ed596b9af0f01e64b84b"
+checksum = "1fe233f4227389ab7df5b32649239da7ebe0b281824b4e84b342d04d3fd8c25e"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2141,9 +1928,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-core"
-version = "0.1.11"
+version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94ae75f0d28ae10786f3b1895c55fe72e79928fd5ccdebb5438c75e93fec178f"
+checksum = "db63662723c316b43ca36d833707cc93dff82a02ba3d7e354f342682cc8b3545"
 dependencies = [
  "lazy_static",
 ]
@@ -2181,19 +1968,20 @@ dependencies = [
 
 [[package]]
 name = "tracing-subscriber"
-version = "0.2.9"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e4f5dd7095c2481b7b3cbed71c8de53085fb3542bc3c2b4c73cba43e8f11c7ba"
+checksum = "abd165311cc4d7a555ad11cc77a37756df836182db0d81aac908c8184c584f40"
 dependencies = [
  "ansi_term 0.12.1",
- "chrono 0.4.13",
+ "chrono 0.4.15",
  "lazy_static",
  "matchers",
  "regex",
  "serde",
  "serde_json",
  "sharded-slab",
- "smallvec 1.4.1",
+ "smallvec",
+ "thread_local",
  "tracing-core",
  "tracing-log",
  "tracing-serde",
@@ -2269,7 +2057,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9fde2f6a4bea1d6e007c4ad38c6839fa71cbb63b6dbf5b595aa38dc9b1093c11"
 dependencies = [
  "md5",
- "rand 0.7.3",
+ "rand",
  "serde",
  "sha1",
 ]
diff --git a/op-cli/Cargo.toml b/op-cli/Cargo.toml
index 6b183a3..ebb18b1 100644
--- a/op-cli/Cargo.toml
+++ b/op-cli/Cargo.toml
@@ -10,23 +10,23 @@ build = "build.rs"
 [dependencies]
 tracing="0.1"
 kg-diag = "0.4.0"
-kg-tree = "0.2.0"
+kg-tree = "0.2.1"
 kg-utils = "0.4.0"
 op-engine = { path= "../op-engine"}
 op-core = { path = "../op-core" }
 op-exec = { path = "../op-exec" }
 op-rev = { path = "../op-rev" }
 op-log = { path = "../op-log" }
-structopt = "0.3.15"
+structopt = "0.3.16"
 futures = "0.3.5"
-serde = "1.0.114"
-serde_derive = "1.0.114"
-serde_json = "1.0.56"
+serde = "1.0.115"
+serde_derive = "1.0.115"
+serde_json = "1.0.57"
 serde_yaml = "0.8.13"
 toml = "0.5.6"
 uuid = { version = "0.8.1", features = ["serde"] }
 url = "2.1.1"
-chrono = "0.4.13"
+chrono = "0.4.15"
 tokio = "0.2.22"
 
 [features]
@@ -35,7 +35,7 @@ system-tests =[]
 [dev-dependencies]
 op-test-helpers = { version = "*", path = "../op-test-helpers" }
 pretty_assertions = "0.6.1"
-console = "0.11.3"
+console = "0.12.0"
 
 [[bin]]
 name = "op"
diff --git a/op-core/Cargo.toml b/op-core/Cargo.toml
index d8823fa..2dedfc7 100644
--- a/op-core/Cargo.toml
+++ b/op-core/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["Wiktor Sikora <wiktor.sikora@kodegenix.pl>"]
 edition = "2018"
 
 [dependencies]
-kg-tree = "0.2.0"
+kg-tree = "0.2.1"
 kg-diag = "0.4.0"
 kg-diag-derive = "0.4.0"
 kg-display-derive = "0.1.1"
@@ -20,13 +20,13 @@ op-rev = { path = "../op-rev" }
 futures = { version = "0.3.5", features = ["async-await"] }
 tokio = { version = "0.2.22", features = ["full"] }
 lazy_static = "1.4.0"
-serde = "1.0.114"
-async-trait = "0.1.36"
+serde = "1.0.115"
+async-trait = "0.1.38"
 shared_child = "0.3.4"
-serde_derive = "1.0.114"
-serde_json = "1.0.56"
+serde_derive = "1.0.115"
+serde_json = "1.0.57"
 serde_yaml = "0.8.13"
 toml = "0.5.6"
-libc = "0.2.73"
+libc = "0.2.74"
 regex = "1.3.9"
-chrono = "0.4.13"
+chrono = "0.4.15"
diff --git a/op-engine/Cargo.toml b/op-engine/Cargo.toml
index 406ccd1..23d3658 100644
--- a/op-engine/Cargo.toml
+++ b/op-engine/Cargo.toml
@@ -12,8 +12,8 @@ kg-diag-derive = "0.4.0"
 kg-display-derive = "0.1.1"
 futures = "0.3.5"
 tokio = { version = "0.2.22", features = ["full"] }
-async-trait = "0.1.36"
+async-trait = "0.1.38"
 uuid = { version = "0.8.1", features = ["v1", "v3", "v4", "v5", "serde"] }
-serde = "1.0.114"
-serde_derive = "1.0.114"
+serde = "1.0.115"
+serde_derive = "1.0.115"
 rand = "0.7.3"
diff --git a/op-exec/Cargo.toml b/op-exec/Cargo.toml
index bdc903c..60d9eaa 100644
--- a/op-exec/Cargo.toml
+++ b/op-exec/Cargo.toml
@@ -10,26 +10,26 @@ kg-diag = "0.4.0"
 kg-diag-derive = "0.4.0"
 kg-display-derive = "0.1.1"
 kg-utils = "0.4.0"
-kg-tree = "0.2.0"
+kg-tree = "0.2.1"
 kg-template = "0.1.2"
-kg-symbol= "0.1.10"
+kg-symbol= "0.2.0"
 kg-lang = "0.1.1"
 op-model = { path = "../op-model" }
 op-rev = { path = "../op-rev" }
 op-log = { path = "../op-log" }
 tokio = { version = "0.2.22", features = ["full"] }
-pin-project = "0.4.22"
+pin-project = "0.4.23"
 futures = { version = "0.3.5", features = ["async-await"] }
 os_pipe = "0.9.2"
 time = "0.2.16"
-chrono = { version = "0.4.13", features = ["serde"] }
-serde = "1.0.114"
-serde_derive = "1.0.114"
-serde_json = "1.0.56"
+chrono = { version = "0.4.15", features = ["serde"] }
+serde = "1.0.115"
+serde_derive = "1.0.115"
+serde_json = "1.0.57"
 serde_yaml = "0.8.13"
 toml = "0.5.6"
-rmp-serde = "0.14.3"
-libc = "0.2.73"
+rmp-serde = "0.14.4"
+libc = "0.2.74"
 regex = "1.3.9"
 uuid = { version = "0.8.1", features = ["v1", "v3", "v4", "v5", "serde"] }
 bytes = "0.5.6"
diff --git a/op-model/Cargo.toml b/op-model/Cargo.toml
index 35b9b90..e7dee76 100644
--- a/op-model/Cargo.toml
+++ b/op-model/Cargo.toml
@@ -8,26 +8,26 @@ edition = "2018"
 [dependencies]
 kg-diag = "0.4.0"
 kg-utils = "0.4.0"
-kg-tree = "0.2.0"
-kg-symbol = "0.1.10"
+kg-tree = "0.2.1"
+kg-symbol = "0.2.0"
 kg-display = "0.1.2"
 kg-display-derive = "0.1.1"
 kg-diag-derive = "0.4.0"
 op-rev = { path = "../op-rev" }
 tracing="0.1.17"
-libc = "0.2.73"
+libc = "0.2.74"
 walkdir = "2.3.1"
 globset = "0.4.5"
-serde = "1.0.114"
-serde_derive = "1.0.114"
-serde_json = "1.0.56"
+serde = "1.0.115"
+serde_derive = "1.0.115"
+serde_json = "1.0.57"
 serde_yaml = "0.8.13"
 toml = "0.5.6"
 heapsize = "0.4.2"
 parking_lot = "0.11.0"
 
 [dev-dependencies]
-indoc = "0.3.6"
+indoc = "1.0.2"
 difference = "2.0.0"
 tempfile = "3.1.0"
 pretty_assertions = "0.6.1"
diff --git a/op-rev/Cargo.toml b/op-rev/Cargo.toml
index 57e0211..b8a3495 100644
--- a/op-rev/Cargo.toml
+++ b/op-rev/Cargo.toml
@@ -7,17 +7,17 @@ edition = "2018"
 
 [dependencies]
 kg-diag = "0.4.0"
-kg-tree = "0.2.0"
+kg-tree = "0.2.1"
 kg-display = "0.1.2"
 kg-display-derive = "0.1.1"
 kg-diag-derive = "0.4.0"
 git2 = "0.13.8"
-serde = "1.0.114"
-serde_derive = "1.0.114"
-async-trait = "0.1.36"
+serde = "1.0.115"
+serde_derive = "1.0.115"
+async-trait = "0.1.38"
 tokio = {version="0.2.22", features=["full"]}
 
 [dev-dependencies]
-indoc = "0.3.6"
-serde_json = "1.0.56"
+indoc = "1.0.2"
+serde_json = "1.0.57"
 serde_yaml = "0.8.13"
diff --git a/op-test-helpers/Cargo.toml b/op-test-helpers/Cargo.toml
index 15abad3..6af47d1 100644
--- a/op-test-helpers/Cargo.toml
+++ b/op-test-helpers/Cargo.toml
@@ -8,6 +8,6 @@ edition = "2018"
 
 [dependencies]
 tempfile = "3.1.0"
-kg-tree = "0.2.0"
+kg-tree = "0.2.1"
 copy_dir = "0.1.2"
 git2 = "0.13.8"