diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4db6cca..41674a2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 - Ignore errors when importing activities from outbox.
 - Make activity limit in outbox fetcher adjustable.
+- Updated actix to latest version. MSRV changed to 1.57.
 
 ### Fixed
 
diff --git a/Cargo.lock b/Cargo.lock
index 1896128..cf2ab4a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -59,15 +59,15 @@ dependencies = [
 
 [[package]]
 name = "actix-http"
-version = "3.3.1"
+version = "3.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2079246596c18b4a33e274ae10c0e50613f4d32a4198e09c7b93771013fed74"
+checksum = "0070905b2c4a98d184c4e81025253cb192aa8a73827553f38e9410801ceb35bb"
 dependencies = [
  "actix-codec",
  "actix-rt",
  "actix-service",
  "actix-utils",
- "ahash 0.8.3",
+ "ahash",
  "base64 0.21.0",
  "bitflags",
  "brotli",
@@ -142,7 +142,7 @@ dependencies = [
  "futures-util",
  "mio",
  "num_cpus",
- "socket2 0.4.9",
+ "socket2",
  "tokio",
  "tracing",
 ]
@@ -183,7 +183,7 @@ dependencies = [
  "actix-service",
  "actix-utils",
  "actix-web-codegen",
- "ahash 0.7.6",
+ "ahash",
  "bytes",
  "bytestring",
  "cfg-if",
@@ -204,7 +204,7 @@ dependencies = [
  "serde_json",
  "serde_urlencoded",
  "smallvec",
- "socket2 0.4.9",
+ "socket2",
  "time",
  "url 2.3.1",
 ]
@@ -253,18 +253,6 @@ dependencies = [
  "version_check",
 ]
 
-[[package]]
-name = "ahash"
-version = "0.8.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2c99f64d1e06488f620f932677e24bc6e2897582980441ae90a671415bd7ec2f"
-dependencies = [
- "cfg-if",
- "getrandom 0.2.9",
- "once_cell",
- "version_check",
-]
-
 [[package]]
 name = "aho-corasick"
 version = "1.0.1"
@@ -1279,7 +1267,7 @@ dependencies = [
  "httpdate",
  "itoa",
  "pin-project-lite",
- "socket2 0.4.9",
+ "socket2",
  "tokio",
  "tower-service",
  "tracing",
@@ -2719,16 +2707,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "socket2"
-version = "0.5.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d283f86695ae989d1e18440a943880967156325ba025f05049946bff47bcc2b"
-dependencies = [
- "libc",
- "windows-sys 0.48.0",
-]
-
 [[package]]
 name = "spin"
 version = "0.5.2"
@@ -2911,32 +2889,33 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.27.0"
+version = "1.20.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d0de47a4eecbe11f498978a9b29d792f0d2692d1dd003650c24c76510e3bc001"
+checksum = "eb78f30e4b41e98ca4cce5acb51168a033839a7af9e42b380355808e14e98ee0"
 dependencies = [
  "autocfg 1.1.0",
  "bytes",
  "libc",
+ "memchr",
  "mio",
  "num_cpus",
  "parking_lot",
  "pin-project-lite",
  "signal-hook-registry",
- "socket2 0.4.9",
+ "socket2",
  "tokio-macros",
- "windows-sys 0.45.0",
+ "winapi",
 ]
 
 [[package]]
 name = "tokio-macros"
-version = "2.0.0"
+version = "1.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "61a573bdc87985e9d6ddeed1b3d864e8a302c847e40d647746df2f1de209d1ce"
+checksum = "d266c00fde287f55d3f1c3e96c500c362a2b8c695076ec180f27918820bc6df8"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 1.0.109",
 ]
 
 [[package]]
@@ -2951,9 +2930,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-postgres"
-version = "0.7.8"
+version = "0.7.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e89f6234aa8fd43779746012fcf53603cdb91fdd8399aa0de868c2d56b6dde1"
+checksum = "29a12c1b3e0704ae7dfc25562629798b29c72e6b1d0a681b6f29ab4ae5e7f7bf"
 dependencies = [
  "async-trait",
  "byteorder",
@@ -2968,7 +2947,7 @@ dependencies = [
  "pin-project-lite",
  "postgres-protocol",
  "postgres-types",
- "socket2 0.5.2",
+ "socket2",
  "tokio",
  "tokio-util",
 ]
@@ -2987,9 +2966,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-util"
-version = "0.7.7"
+version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5427d89453009325de0d8f342c9490009f76e999cb7672d77e46267448f7e6b2"
+checksum = "cc463cd8deddc3770d20f9852143d50bf6094e640b485cb2e189a2099085ff45"
 dependencies = [
  "bytes",
  "futures-core",
diff --git a/Cargo.toml b/Cargo.toml
index e3a515d..73281fd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,7 +5,7 @@ description = "Federated micro-blogging platform and content subscription servic
 license = "AGPL-3.0"
 
 edition = "2021"
-rust-version = "1.56"
+rust-version = "1.57"
 publish = false
 default-run = "mitra"
 
@@ -31,9 +31,9 @@ mitra-models = { path = "mitra-models" }
 mitra-utils = { path = "mitra-utils" }
 
 # Used to handle incoming HTTP requests
-actix-cors = "0.6.2"
+actix-cors = "0.6.4"
 actix-files = "0.6.2"
-actix-web = "4.1.0"
+actix-web = "4.3.1"
 actix-web-httpauth = "0.8.0"
 # Used for catching errors
 anyhow = "1.0.58"
@@ -68,7 +68,7 @@ siwe = "0.4.0"
 # Used for creating error types
 thiserror = "1.0.37"
 # Async runtime
-tokio = { version = "1.20.4", features = ["macros"] }
+tokio = { version = "=1.20.4", features = ["macros"] }
 # Used to work with URLs
 url = "2.2.2"
 # Used to work with UUIDs
diff --git a/README.md b/README.md
index aa2eb47..71e9677 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ Web client:
 
 ## Requirements
 
-- Rust 1.56+ (when building from source)
+- Rust 1.57+ (when building from source)
 - PostgreSQL 12+
 
 Optional:
diff --git a/mitra-cli/Cargo.toml b/mitra-cli/Cargo.toml
index 49039b9..1d40fb8 100644
--- a/mitra-cli/Cargo.toml
+++ b/mitra-cli/Cargo.toml
@@ -3,7 +3,7 @@ name = "mitra-cli"
 version = "1.21.0"
 license = "AGPL-3.0"
 edition = "2021"
-rust-version = "1.56"
+rust-version = "1.57"
 
 [[bin]]
 name = "mitractl"
diff --git a/mitra-config/Cargo.toml b/mitra-config/Cargo.toml
index 9f5b881..8d5f9c7 100644
--- a/mitra-config/Cargo.toml
+++ b/mitra-config/Cargo.toml
@@ -3,7 +3,7 @@ name = "mitra-config"
 version = "1.21.0"
 license = "AGPL-3.0"
 edition = "2021"
-rust-version = "1.56"
+rust-version = "1.57"
 
 [dependencies]
 mitra-utils = { path = "../mitra-utils" }
diff --git a/mitra-models/Cargo.toml b/mitra-models/Cargo.toml
index 28a3f17..af80ea3 100644
--- a/mitra-models/Cargo.toml
+++ b/mitra-models/Cargo.toml
@@ -3,7 +3,7 @@ name = "mitra-models"
 version = "1.21.0"
 license = "AGPL-3.0"
 edition = "2021"
-rust-version = "1.56"
+rust-version = "1.57"
 
 [dependencies]
 mitra-utils = { path = "../mitra-utils" }
diff --git a/mitra-utils/Cargo.toml b/mitra-utils/Cargo.toml
index 9670939..0f8f679 100644
--- a/mitra-utils/Cargo.toml
+++ b/mitra-utils/Cargo.toml
@@ -3,7 +3,7 @@ name = "mitra-utils"
 version = "1.21.0"
 license = "AGPL-3.0"
 edition = "2021"
-rust-version = "1.56"
+rust-version = "1.57"
 
 [dependencies]
 # Used for HTML sanitization