diff --git a/Cargo.lock b/Cargo.lock
index 80ca556862..b5d2da618c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -891,9 +891,9 @@ dependencies = [
 
 [[package]]
 name = "devise"
-version = "0.2.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74e04ba2d03c5fa0d954c061fc8c9c288badadffc272ebb87679a89846de3ed3"
+checksum = "dd716c4a507adc5a2aa7c2a372d06c7497727e0892b243d3036bc7478a13e526"
 dependencies = [
  "devise_codegen",
  "devise_core",
@@ -901,9 +901,9 @@ dependencies = [
 
 [[package]]
 name = "devise_codegen"
-version = "0.2.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "066ceb7928ca93a9bedc6d0e612a8a0424048b0ab1f75971b203d01420c055d7"
+checksum = "ea7b8290d118127c08e3669da20b331bed56b09f20be5945b7da6c116d8fab53"
 dependencies = [
  "devise_core",
  "quote 0.6.13",
@@ -911,9 +911,9 @@ dependencies = [
 
 [[package]]
 name = "devise_core"
-version = "0.2.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf41c59b22b5e3ec0ea55c7847e5f358d340f3a8d6d53a5cf4f1564967f96487"
+checksum = "d1053e9d5d5aade9bcedb5ab53b78df2b56ff9408a3138ce77eaaef87f932373"
 dependencies = [
  "bitflags",
  "proc-macro2 0.4.30",
@@ -1466,6 +1466,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "hashbrown"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
+
 [[package]]
 name = "heck"
 version = "0.3.1"
@@ -1778,11 +1784,12 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "1.3.2"
+version = "1.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "076f042c5b7b98f31d205f1249267e12a6518c1481e9dae9764af19b707d2292"
+checksum = "e6012d540c5baa3589337a98ce73408de9b5a25ec9fc2c6fd6be8f0d39e0ca5a"
 dependencies = [
  "autocfg 1.0.0",
+ "hashbrown 0.11.2",
 ]
 
 [[package]]
@@ -2266,7 +2273,7 @@ dependencies = [
  "cfg-if 0.1.10",
  "chrono",
  "failure",
- "hashbrown",
+ "hashbrown 0.6.3",
  "hex_fmt",
  "hostname 0.1.5",
  "lazy_static",
@@ -4124,9 +4131,9 @@ dependencies = [
 
 [[package]]
 name = "pear"
-version = "0.1.4"
+version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5320f212db967792b67cfe12bd469d08afd6318a249bd917d5c19bc92200ab8a"
+checksum = "32dfa7458144c6af7f9ce6a137ef975466aa68ffa44d4d816ee5934018ba960a"
 dependencies = [
  "pear_codegen",
 ]
@@ -4782,12 +4789,12 @@ checksum = "5510dbde48c4c37bf69123b1f636b6dd5f8dffe1f4e358af03c46a4947dca219"
 
 [[package]]
 name = "rocket"
-version = "0.4.6"
+version = "0.4.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fc7e5d6aaa32ace6893ae8a1875688ca7b07d6c2428ae88e704c3623c8866e9"
+checksum = "83b9d9dc08c5dcc1d8126a9dd615545e6a358f8c13c883c8dfed8c0376fa355e"
 dependencies = [
  "atty",
- "base64 0.12.3",
+ "base64 0.13.0",
  "log 0.4.11",
  "memchr",
  "num_cpus",
@@ -4803,9 +4810,9 @@ dependencies = [
 
 [[package]]
 name = "rocket_codegen"
-version = "0.4.6"
+version = "0.4.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "519154b16df5fe552a8f9cd76a97793a9f5d58e34f186ab79c7b29ce1d009358"
+checksum = "2810037b5820098af97bd4fdd309e76a8101ceb178147de775c835a2537284fe"
 dependencies = [
  "devise",
  "glob 0.3.0",
@@ -4831,9 +4838,9 @@ dependencies = [
 
 [[package]]
 name = "rocket_http"
-version = "0.4.6"
+version = "0.4.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9d087de7203c7a60a0ed5cd3a135b552dbfbed9932c52d49d083e8629935257"
+checksum = "2bf9cbd128e1f321a2d0bebd2b7cf0aafd89ca43edf69e49b56a5c46e48eb19f"
 dependencies = [
  "cookie 0.11.3",
  "hyper 0.10.16",
diff --git a/admin-http-gateway/Cargo.toml b/admin-http-gateway/Cargo.toml
index a5992a1ada..eb568b68ec 100644
--- a/admin-http-gateway/Cargo.toml
+++ b/admin-http-gateway/Cargo.toml
@@ -10,7 +10,7 @@ mc-util-grpc = { path = "../util/grpc" }
 mc-util-uri = { path = "../util/uri" }
 
 grpcio = "0.6.0"
-rocket = { version = "0.4.6", default-features = false }
+rocket = { version = "0.4.11", default-features = false }
 rocket_contrib = { version = "0.4.6", default-features = false, features = ["json"] }
 serde = "1.0"
 serde_derive = "1.0"
diff --git a/mobilecoind-json/Cargo.toml b/mobilecoind-json/Cargo.toml
index 96e1e4b49c..1fef9e0368 100644
--- a/mobilecoind-json/Cargo.toml
+++ b/mobilecoind-json/Cargo.toml
@@ -16,7 +16,7 @@ mc-util-grpc = { path = "../util/grpc" }
 
 grpcio = "0.6.0"
 hex = "0.4"
-rocket = { version = "0.4.6", default-features = false }
+rocket = { version = "0.4.11", default-features = false }
 rocket_contrib = { version = "0.4.6", default-features = false, features = ["json"] }
 serde = "1.0"
 serde_derive = "1.0"