diff --git a/Cargo.lock b/Cargo.lock
index 38fabcb5d..d7e9262df 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -12,7 +12,7 @@ dependencies = [
  "futures-sink",
  "log",
  "pin-project 0.4.28",
- "tokio 0.2.25",
+ "tokio",
  "tokio-util",
 ]
 
@@ -23,7 +23,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "177837a10863f15ba8d3ae3ec12fac1099099529ed20083a27fdfe247381d0dc"
 dependencies = [
  "actix-codec",
- "actix-rt 1.1.1",
+ "actix-rt",
  "actix-service",
  "actix-utils",
  "derive_more",
@@ -43,7 +43,7 @@ checksum = "452299e87817ae5673910e53c243484ca38be3828db819b6011736fc6982e874"
 dependencies = [
  "actix-codec",
  "actix-connect",
- "actix-rt 1.1.1",
+ "actix-rt",
  "actix-service",
  "actix-threadpool",
  "actix-utils",
@@ -92,16 +92,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "actix-macros"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dbcb2b608f0accc2f5bcf3dd872194ce13d94ee45b571487035864cf966b04ef"
-dependencies = [
- "quote",
- "syn",
-]
-
 [[package]]
 name = "actix-router"
 version = "0.2.7"
@@ -121,24 +111,13 @@ version = "1.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "143fcc2912e0d1de2bcf4e2f720d2a60c28652ab4179685a1ee159e0fb3db227"
 dependencies = [
- "actix-macros 0.1.3",
+ "actix-macros",
  "actix-threadpool",
  "copyless",
  "futures-channel",
  "futures-util",
  "smallvec",
- "tokio 0.2.25",
-]
-
-[[package]]
-name = "actix-rt"
-version = "2.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc7d7cd957c9ed92288a7c3c96af81fa5291f65247a76a34dac7b6af74e52ba0"
-dependencies = [
- "actix-macros 0.2.0",
- "futures-core",
- "tokio 1.4.0",
+ "tokio",
 ]
 
 [[package]]
@@ -148,13 +127,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "45407e6e672ca24784baa667c5d32ef109ccdd8d5e0b5ebb9ef8a67f4dfb708e"
 dependencies = [
  "actix-codec",
- "actix-rt 1.1.1",
+ "actix-rt",
  "actix-service",
  "actix-utils",
  "futures-channel",
  "futures-util",
  "log",
- "mio 0.6.23",
+ "mio",
  "mio-uds",
  "num_cpus",
  "slab",
@@ -177,8 +156,8 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "47239ca38799ab74ee6a8a94d1ce857014b2ac36f242f70f3f75a66f691e791c"
 dependencies = [
- "actix-macros 0.1.3",
- "actix-rt 1.1.1",
+ "actix-macros",
+ "actix-rt",
  "actix-server",
  "actix-service",
  "log",
@@ -219,7 +198,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2e9022dec56632d1d7979e59af14f0597a28a830a9c1c7fec8b2327eb9f16b5a"
 dependencies = [
  "actix-codec",
- "actix-rt 1.1.1",
+ "actix-rt",
  "actix-service",
  "bitflags",
  "bytes 0.5.6",
@@ -240,9 +219,9 @@ checksum = "e641d4a172e7faa0862241a20ff4f1f5ab0ab7c279f00c2d4587b77483477b86"
 dependencies = [
  "actix-codec",
  "actix-http",
- "actix-macros 0.1.3",
+ "actix-macros",
  "actix-router",
- "actix-rt 1.1.1",
+ "actix-rt",
  "actix-server",
  "actix-service",
  "actix-testing",
@@ -360,7 +339,7 @@ checksum = "b381e490e7b0cfc37ebc54079b0413d8093ef43d14a4e4747083f7fa47a9e691"
 dependencies = [
  "actix-codec",
  "actix-http",
- "actix-rt 1.1.1",
+ "actix-rt",
  "actix-service",
  "base64",
  "bytes 0.5.6",
@@ -906,7 +885,7 @@ dependencies = [
  "http",
  "indexmap",
  "slab",
- "tokio 0.2.25",
+ "tokio",
  "tokio-util",
  "tracing",
  "tracing-futures",
@@ -955,9 +934,9 @@ dependencies = [
 
 [[package]]
 name = "http"
-version = "0.2.3"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7245cd7449cc792608c3c8a9eaf69bd4eabbabf802713748fd739c98b82f0747"
+checksum = "527e8c9ac747e28542699a951517aa9a6945af506cd1f2e1b53a576c17b6cc11"
 dependencies = [
  "bytes 1.0.1",
  "fnv",
@@ -966,9 +945,9 @@ dependencies = [
 
 [[package]]
 name = "httparse"
-version = "1.3.5"
+version = "1.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "615caabe2c3160b313d52ccc905335f4ed5f10881dd63dc5699d47e90be85691"
+checksum = "bc35c995b9d93ec174cf9a27d425c7892722101e14993cd227fdb51d70cf9589"
 
 [[package]]
 name = "idna"
@@ -1051,9 +1030,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.91"
+version = "0.2.93"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8916b1f6ca17130ec6568feccee27c156ad12037880833a3b842a823236502e7"
+checksum = "9385f66bf6105b241aa65a61cb923ef20efc665cb9f9bb50ac2f0c4b7f378d41"
 
 [[package]]
 name = "linked-hash-map"
@@ -1063,9 +1042,9 @@ checksum = "7fb9b38af92608140b86b693604b9ffcc5824240a484d1ecd4795bacb2fe88f3"
 
 [[package]]
 name = "lock_api"
-version = "0.4.2"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd96ffd135b2fd7b973ac026d28085defbe8983df057ced3eb4f2130b0831312"
+checksum = "5a3c91c24eae6777794bb1997ad98bbb87daf92890acab859f7eaa4320333176"
 dependencies = [
  "scopeguard",
 ]
@@ -1144,25 +1123,12 @@ dependencies = [
  "kernel32-sys",
  "libc",
  "log",
- "miow 0.2.2",
+ "miow",
  "net2",
  "slab",
  "winapi 0.2.8",
 ]
 
-[[package]]
-name = "mio"
-version = "0.7.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf80d3e903b34e0bd7282b218398aec54e082c840d9baf8339e0080a0c542956"
-dependencies = [
- "libc",
- "log",
- "miow 0.3.7",
- "ntapi",
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "mio-uds"
 version = "0.6.8"
@@ -1171,7 +1137,7 @@ checksum = "afcb699eb26d4332647cc848492bbc15eafb26f08d0304550d5aa1f612e066f0"
 dependencies = [
  "iovec",
  "libc",
- "mio 0.6.23",
+ "mio",
 ]
 
 [[package]]
@@ -1186,15 +1152,6 @@ dependencies = [
  "ws2_32-sys",
 ]
 
-[[package]]
-name = "miow"
-version = "0.3.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9f1c5b025cda876f66ef43a113f91ebc9f4ccef34843000e0adf6ebbab84e21"
-dependencies = [
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "net2"
 version = "0.2.37"
@@ -1212,15 +1169,6 @@ version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72ef4a56884ca558e5ddb05a1d1e7e1bfd9a68d9ed024c21704cc98872dae1bb"
 
-[[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"
 version = "0.4.0"
@@ -1328,12 +1276,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "once_cell"
-version = "1.7.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af8b08b04175473088b46763e51ee54da5f9a164bc162f615b91bc179dbf15a3"
-
 [[package]]
 name = "opaque-debug"
 version = "0.3.0"
@@ -1534,9 +1476,9 @@ checksum = "bc881b2c22681370c6a780e47af9840ef841837bc98118431d4e1868bd0c1086"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.24"
+version = "1.0.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e0704ee1a7e00d7bb417d0770ea303c1bccbabf0ef1667dae92b5967f5f8a71"
+checksum = "a152013215dca273577e18d2bf00fa862b89b24169fb78c4c95aeb07992c9cec"
 dependencies = [
  "unicode-xid",
 ]
@@ -1696,7 +1638,7 @@ dependencies = [
 name = "rust-code-analysis-web"
 version = "0.0.20"
 dependencies = [
- "actix-rt 2.2.0",
+ "actix-rt",
  "actix-web",
  "clap",
  "futures",
@@ -1940,9 +1882,9 @@ checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
 
 [[package]]
 name = "syn"
-version = "1.0.67"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6498a9efc342871f91cc2d0d694c674368b4ceb40f62b65a7a08c3792935e702"
+checksum = "48fe99c6bd8b1cc636890bcc071842de909d902c81ac7dab53ba33c421ab8ffb"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2036,9 +1978,9 @@ dependencies = [
 
 [[package]]
 name = "tinyvec"
-version = "1.1.1"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "317cca572a0e89c3ce0ca1f1bdc9369547fe318a683418e42ac8f59d14701023"
+checksum = "5b5220f05bb7de7f3f53c7c065e1199b3172696fe2db9f9c4d8ad9b4ee74c342"
 dependencies = [
  "tinyvec_macros",
 ]
@@ -2061,7 +2003,7 @@ dependencies = [
  "lazy_static",
  "libc",
  "memchr",
- "mio 0.6.23",
+ "mio",
  "mio-uds",
  "pin-project-lite 0.1.12",
  "signal-hook-registry",
@@ -2069,22 +2011,6 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
-[[package]]
-name = "tokio"
-version = "1.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "134af885d758d645f0f0505c9a8b3f9bf8a348fd822e112ab5248138348f1722"
-dependencies = [
- "autocfg",
- "libc",
- "mio 0.7.11",
- "once_cell",
- "parking_lot",
- "pin-project-lite 0.2.6",
- "signal-hook-registry",
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "tokio-util"
 version = "0.3.1"
@@ -2096,7 +2022,7 @@ dependencies = [
  "futures-sink",
  "log",
  "pin-project-lite 0.1.12",
- "tokio 0.2.25",
+ "tokio",
 ]
 
 [[package]]
@@ -2259,7 +2185,7 @@ dependencies = [
  "rand",
  "smallvec",
  "thiserror",
- "tokio 0.2.25",
+ "tokio",
  "url",
 ]
 
@@ -2278,7 +2204,7 @@ dependencies = [
  "resolv-conf",
  "smallvec",
  "thiserror",
- "tokio 0.2.25",
+ "tokio",
  "trust-dns-proto",
 ]
 
@@ -2290,9 +2216,9 @@ checksum = "879f6906492a7cd215bfa4cf595b600146ccfac0c79bcbd1f3000162af5e8b06"
 
 [[package]]
 name = "unicode-bidi"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49f2bd0c6468a8230e1db229cff8029217cf623c767ea5d60bfbd42729ea54d5"
+checksum = "eeb8be209bb1c96b7c177c7420d26e04eccacb0eeae6b980e35fcb74678107e0"
 dependencies = [
  "matches",
 ]
diff --git a/rust-code-analysis-web/Cargo.toml b/rust-code-analysis-web/Cargo.toml
index 4fbd9eca0..ae99cbd43 100644
--- a/rust-code-analysis-web/Cargo.toml
+++ b/rust-code-analysis-web/Cargo.toml
@@ -12,7 +12,7 @@ license = "MPL-2.0"
 name = "rust-code-analysis-web"
 
 [dependencies]
-actix-rt = "^2.1"
+actix-rt = "^1.0"
 actix-web = "^3.3"
 clap = "^2.33"
 futures = "^0.3"
diff --git a/rust-code-analysis-web/src/web/server.rs b/rust-code-analysis-web/src/web/server.rs
index f4ffe263f..2d1bc3721 100644
--- a/rust-code-analysis-web/src/web/server.rs
+++ b/rust-code-analysis-web/src/web/server.rs
@@ -220,8 +220,8 @@ fn ping() -> HttpResponse {
 }
 
 pub fn run(host: String, port: u16, n_threads: usize) -> std::io::Result<()> {
-    let _ = actix_rt::System::new();
-    let rt = Runtime::new()?;
+    let _ = actix_rt::System::new("server");
+    let mut rt = Runtime::new()?;
     let max_size = 1024 * 1024 * 4;
 
     rt.block_on(async move {