diff --git a/Cargo.lock b/Cargo.lock
index 9d6c3682..3baf99de 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,27 +4,26 @@ version = 3
 
 [[package]]
 name = "actix"
-version = "0.10.0"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1be241f88f3b1e7e9a3fbe3b5a8a0f6915b5a1d7ee0d9a248d3376d01068cc60"
+checksum = "f728064aca1c318585bf4bb04ffcfac9e75e508ab4e8b1bd9ba5dfe04e2cbed5"
 dependencies = [
- "actix-rt",
+ "actix-rt 2.7.0",
  "actix_derive",
  "bitflags",
- "bytes 0.5.6",
+ "bytes 1.1.0",
  "crossbeam-channel",
- "derive_more",
- "futures-channel",
+ "futures-core",
+ "futures-sink",
+ "futures-task",
  "futures-util",
  "log",
  "once_cell",
- "parking_lot",
- "pin-project 0.4.28",
+ "parking_lot 0.12.1",
+ "pin-project-lite 0.2.4",
  "smallvec",
- "tokio 0.2.25",
- "tokio-util 0.3.1",
- "trust-dns-proto",
- "trust-dns-resolver",
+ "tokio 1.22.0",
+ "tokio-util 0.7.4",
 ]
 
 [[package]]
@@ -50,7 +49,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "177837a10863f15ba8d3ae3ec12fac1099099529ed20083a27fdfe247381d0dc"
 dependencies = [
  "actix-codec",
- "actix-rt",
+ "actix-rt 1.1.1",
  "actix-service",
  "actix-utils",
  "derive_more",
@@ -106,7 +105,7 @@ checksum = "5cb8958da437716f3f31b0e76f8daf36554128517d7df37ceba7df00f09622ee"
 dependencies = [
  "actix-codec",
  "actix-connect",
- "actix-rt",
+ "actix-rt 1.1.1",
  "actix-service",
  "actix-threadpool",
  "actix-tls",
@@ -154,7 +153,7 @@ checksum = "09b4f1eca51276c220c6e12e97f6914bca49b8d3cd359550d88b5a17a742b45e"
 dependencies = [
  "actix-codec",
  "actix-connect",
- "actix-rt",
+ "actix-rt 1.1.1",
  "actix-server",
  "actix-service",
  "actix-testing",
@@ -211,6 +210,16 @@ dependencies = [
  "tokio 0.2.25",
 ]
 
+[[package]]
+name = "actix-rt"
+version = "2.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ea16c295198e958ef31930a6ef37d0fb64e9ca3b6116e6b93a8bdae96ee1000"
+dependencies = [
+ "futures-core",
+ "tokio 1.22.0",
+]
+
 [[package]]
 name = "actix-server"
 version = "1.0.4"
@@ -218,7 +227,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "45407e6e672ca24784baa667c5d32ef109ccdd8d5e0b5ebb9ef8a67f4dfb708e"
 dependencies = [
  "actix-codec",
- "actix-rt",
+ "actix-rt 1.1.1",
  "actix-service",
  "actix-utils",
  "futures-channel",
@@ -248,7 +257,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "47239ca38799ab74ee6a8a94d1ce857014b2ac36f242f70f3f75a66f691e791c"
 dependencies = [
  "actix-macros",
- "actix-rt",
+ "actix-rt 1.1.1",
  "actix-server",
  "actix-service",
  "log",
@@ -266,7 +275,7 @@ dependencies = [
  "lazy_static",
  "log",
  "num_cpus",
- "parking_lot",
+ "parking_lot 0.11.2",
  "threadpool",
 ]
 
@@ -291,7 +300,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2e9022dec56632d1d7979e59af14f0597a28a830a9c1c7fec8b2327eb9f16b5a"
 dependencies = [
  "actix-codec",
- "actix-rt",
+ "actix-rt 1.1.1",
  "actix-service",
  "bitflags",
  "bytes 0.5.6",
@@ -314,7 +323,7 @@ dependencies = [
  "actix-http",
  "actix-macros",
  "actix-router",
- "actix-rt",
+ "actix-rt 1.1.1",
  "actix-server",
  "actix-service",
  "actix-testing",
@@ -357,9 +366,9 @@ dependencies = [
 
 [[package]]
 name = "actix_derive"
-version = "0.5.0"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b95aceadaf327f18f0df5962fedc1bde2f870566a0b9f65c89508a3b1f79334c"
+checksum = "6d44b8fee1ced9671ba043476deddef739dd0959bf77030b26b738cc591737a7"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -435,9 +444,9 @@ dependencies = [
 
 [[package]]
 name = "autocfg"
-version = "1.0.1"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
+checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "awc"
@@ -447,7 +456,7 @@ checksum = "b381e490e7b0cfc37ebc54079b0413d8093ef43d14a4e4747083f7fa47a9e691"
 dependencies = [
  "actix-codec",
  "actix-http",
- "actix-rt",
+ "actix-rt 1.1.1",
  "actix-service",
  "base64 0.13.0",
  "bytes 0.5.6",
@@ -717,23 +726,21 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-channel"
-version = "0.4.4"
+version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b153fe7cbef478c567df0f972e02e6d736db11affe43dfc9c56a9374d1adfb87"
+checksum = "c2dd04ddaf88237dc3b8d8f9a3c1004b506b54b3313403944054d23c0870c521"
 dependencies = [
+ "cfg-if 1.0.0",
  "crossbeam-utils",
- "maybe-uninit",
 ]
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.7.2"
+version = "0.8.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3c7c73a2d1e9fc0886a08b93e98eb643461230d5f1925e4036204d5f2e261a8"
+checksum = "4fb766fa798726286dbbb842f174001dab8abc7b627a1dd86e0b7222a95d929f"
 dependencies = [
- "autocfg",
- "cfg-if 0.1.10",
- "lazy_static",
+ "cfg-if 1.0.0",
 ]
 
 [[package]]
@@ -1200,7 +1207,7 @@ dependencies = [
  "http",
  "indexmap",
  "slab",
- "tokio 1.8.1",
+ "tokio 1.22.0",
  "tokio-util 0.6.1",
  "tracing",
 ]
@@ -1297,8 +1304,8 @@ dependencies = [
  "httpdate",
  "itoa 0.4.8",
  "pin-project-lite 0.2.4",
- "socket2 0.4.0",
- "tokio 1.8.1",
+ "socket2 0.4.7",
+ "tokio 1.22.0",
  "tower-service",
  "tracing",
  "want",
@@ -1313,7 +1320,7 @@ dependencies = [
  "bytes 1.1.0",
  "hyper",
  "native-tls",
- "tokio 1.8.1",
+ "tokio 1.22.0",
  "tokio-native-tls",
 ]
 
@@ -1433,9 +1440,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.112"
+version = "0.2.137"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b03d17f364a3a042d5e5d46b053bbbf82c92c9430c592dd4c064dc6ee997125"
+checksum = "fc7fcc620a3bff7cdd7a365be3376c97191aeaccc2a603e600951e452615bf89"
 
 [[package]]
 name = "linked-hash-map"
@@ -1445,10 +1452,11 @@ checksum = "7fb9b38af92608140b86b693604b9ffcc5824240a484d1ecd4795bacb2fe88f3"
 
 [[package]]
 name = "lock_api"
-version = "0.4.5"
+version = "0.4.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "712a4d093c9976e24e7dbca41db895dabcbac38eb5f4045393d17a95bdfb1109"
+checksum = "435011366fe56583b16cf956f9df0095b405b82d76425bc8981c0e22e60ec4df"
 dependencies = [
+ "autocfg",
  "scopeguard",
 ]
 
@@ -1482,12 +1490,6 @@ version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a3e378b66a060d48947b590737b30a1be76706c8dd7b8ba0f2fe3989c68a853f"
 
-[[package]]
-name = "maybe-uninit"
-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60302e4db3a61da70c0cb7991976248362f30319e88850c487b9b95bbf059e00"
-
 [[package]]
 name = "memchr"
 version = "2.4.1"
@@ -1533,7 +1535,7 @@ dependencies = [
  "kernel32-sys",
  "libc",
  "log",
- "miow 0.2.2",
+ "miow",
  "net2",
  "slab",
  "winapi 0.2.8",
@@ -1541,15 +1543,14 @@ dependencies = [
 
 [[package]]
 name = "mio"
-version = "0.7.7"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e50ae3f04d169fcc9bde0b547d1c205219b7157e07ded9c5aff03e0637cb3ed7"
+checksum = "e5d732bc30207a6423068df043e3d02e0735b155ad7ce1a6f76fe2baa5b158de"
 dependencies = [
  "libc",
  "log",
- "miow 0.3.6",
- "ntapi",
- "winapi 0.3.9",
+ "wasi 0.11.0+wasi-snapshot-preview1",
+ "windows-sys",
 ]
 
 [[package]]
@@ -1575,16 +1576,6 @@ dependencies = [
  "ws2_32-sys",
 ]
 
-[[package]]
-name = "miow"
-version = "0.3.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a33c1b55807fbed163481b5ba66db4b2fa6cde694a5027be10fb724206c5897"
-dependencies = [
- "socket2 0.3.19",
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "native-tls"
 version = "0.2.8"
@@ -1624,15 +1615,6 @@ dependencies = [
  "version_check 0.1.5",
 ]
 
-[[package]]
-name = "ntapi"
-version = "0.3.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f6bb902e437b6d86e03cce10a7e2af662292c5dfef23b65899ea3ac9354ad44"
-dependencies = [
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "num-bigint"
 version = "0.2.6"
@@ -1735,7 +1717,17 @@ checksum = "7d17b78036a60663b797adeaee46f5c9dfebb86948d1255007a1d6be0271ff99"
 dependencies = [
  "instant",
  "lock_api",
- "parking_lot_core",
+ "parking_lot_core 0.8.5",
+]
+
+[[package]]
+name = "parking_lot"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3742b2c103b9f06bc9fff0a37ff4912935851bee6d36f3c02bcc755bcfec228f"
+dependencies = [
+ "lock_api",
+ "parking_lot_core 0.9.4",
 ]
 
 [[package]]
@@ -1752,6 +1744,19 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "parking_lot_core"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4dc9e0dc2adc1c69d09143aff38d3d30c5c3f0df0dad82e6d25547af174ebec0"
+dependencies = [
+ "cfg-if 1.0.0",
+ "libc",
+ "redox_syscall",
+ "smallvec",
+ "windows-sys",
+]
+
 [[package]]
 name = "pem"
 version = "0.8.3"
@@ -1915,7 +1920,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "545c5bc2b880973c9c10e4067418407a0ccaa3091781d1671d46eb35107cb26f"
 dependencies = [
  "log",
- "parking_lot",
+ "parking_lot 0.11.2",
  "scheduled-thread-pool",
 ]
 
@@ -2061,7 +2066,7 @@ dependencies = [
  "serde",
  "serde_json",
  "serde_urlencoded",
- "tokio 1.8.1",
+ "tokio 1.22.0",
  "tokio-native-tls",
  "url",
  "wasm-bindgen",
@@ -2169,7 +2174,7 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dc6f74fd1204073fa02d5d5d68bec8021be4c38690b61264b2fdb48083d0e7d7"
 dependencies = [
- "parking_lot",
+ "parking_lot 0.11.2",
 ]
 
 [[package]]
@@ -2347,9 +2352,9 @@ dependencies = [
 
 [[package]]
 name = "socket2"
-version = "0.4.0"
+version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e3dfc207c526015c632472a77be09cf1b6e46866581aecae5cc38fb4235dea2"
+checksum = "02e2d2db9033d13a1567121ddd7a095ee144db4e1ca1b1bda3419bc0da294ebd"
 dependencies = [
  "libc",
  "winapi 0.3.9",
@@ -2569,7 +2574,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6703a273949a90131b290be1fe7b039d0fc884aa1935860dfcbe056f28cd8092"
 dependencies = [
  "bytes 0.5.6",
- "fnv",
  "futures-core",
  "iovec",
  "lazy_static",
@@ -2585,17 +2589,20 @@ dependencies = [
 
 [[package]]
 name = "tokio"
-version = "1.8.1"
+version = "1.22.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "98c8b05dc14c75ea83d63dd391100353789f5f24b8b3866542a5e85c8be8e985"
+checksum = "d76ce4a75fb488c605c54bf610f221cea8b0dafb53333c1a67e8ee199dcd2ae3"
 dependencies = [
  "autocfg",
  "bytes 1.1.0",
  "libc",
  "memchr",
- "mio 0.7.7",
+ "mio 0.8.5",
  "num_cpus",
+ "parking_lot 0.12.1",
  "pin-project-lite 0.2.4",
+ "signal-hook-registry",
+ "socket2 0.4.7",
  "winapi 0.3.9",
 ]
 
@@ -2606,7 +2613,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f7d995660bd2b7f8c1568414c1126076c13fbb725c40112dc0120b78eb9b717b"
 dependencies = [
  "native-tls",
- "tokio 1.8.1",
+ "tokio 1.22.0",
 ]
 
 [[package]]
@@ -2627,7 +2634,7 @@ checksum = "50145484efff8818b5ccd256697f36863f587da82cf8b409c53adf1e840798e3"
 dependencies = [
  "futures-core",
  "pin-project-lite 0.2.4",
- "tokio 1.8.1",
+ "tokio 1.22.0",
 ]
 
 [[package]]
@@ -2638,7 +2645,6 @@ checksum = "be8242891f2b6cbef26a2d7e8605133c2c554cd35b3e4948ea892d6d68436499"
 dependencies = [
  "bytes 0.5.6",
  "futures-core",
- "futures-io",
  "futures-sink",
  "log",
  "pin-project-lite 0.1.12",
@@ -2656,10 +2662,24 @@ dependencies = [
  "futures-sink",
  "log",
  "pin-project-lite 0.2.4",
- "tokio 1.8.1",
+ "tokio 1.22.0",
  "tokio-stream",
 ]
 
+[[package]]
+name = "tokio-util"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0bb2e075f03b3d66d8d8785356224ba688d2906a371015e225beeb65ca92c740"
+dependencies = [
+ "bytes 1.1.0",
+ "futures-core",
+ "futures-sink",
+ "pin-project-lite 0.2.4",
+ "tokio 1.22.0",
+ "tracing",
+]
+
 [[package]]
 name = "toml"
 version = "0.5.8"
@@ -2905,6 +2925,12 @@ version = "0.10.1+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "93c6c3420963c5c64bca373b25e77acb562081b9bb4dd5bb864187742186cea9"
 
+[[package]]
+name = "wasi"
+version = "0.11.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
+
 [[package]]
 name = "wasm-bindgen"
 version = "0.2.78"
@@ -3090,6 +3116,63 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
+[[package]]
+name = "windows-sys"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a3e1820f08b8513f676f7ab6c1f99ff312fb97b553d30ff4dd86f9f15728aa7"
+dependencies = [
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
+]
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41d2aa71f6f0cbe00ae5167d90ef3cfe66527d6f613ca78ac8024c3ccab9a19e"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd0f252f5a35cac83d6311b2e795981f5ee6e67eb1f9a7f64eb4500fbc4dcdb4"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fbeae19f6716841636c28d695375df17562ca208b2b7d0dc47635a50ae6c5de7"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "84c12f65daa39dd2babe6e442988fc329d6243fdce47d7d2d155b8d874862246"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf7b1b21b5362cbc318f686150e5bcea75ecedc74dd157d874d754a2ca44b0ed"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09d525d2ba30eeb3297665bd434a54297e4170c7f1a44cad4ef58095b4cd2028"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f40009d85759725a34da6d89a94e63d7bdc50a862acf0dbc7c8e488f1edcb6f5"
+
 [[package]]
 name = "winreg"
 version = "0.6.2"
diff --git a/backend/Cargo.toml b/backend/Cargo.toml
index 3cc7bc9f..53a2afcf 100644
--- a/backend/Cargo.toml
+++ b/backend/Cargo.toml
@@ -28,7 +28,7 @@ lazy_static = "1.4.0"
 reqwest = { version = "0.11.7", features = ["blocking", "json"] }
 
 [dependencies]
-actix = "0.10.0"
+actix = "0.13.0"
 actix-cors = "0.5.4"
 actix-files = "0.5.0"
 actix-web = { version = "3.3.2", features = ["openssl"] }