diff --git a/Cargo.lock b/Cargo.lock
index 5506163edcc..a6d3d17af05 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -802,11 +802,11 @@ dependencies = [
 
 [[package]]
 name = "lsp-server"
-version = "0.3.4"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "87fce8851309a325974ec76efe7c9d954d152c9ff4fded6520eb3c96d0aa3a96"
+checksum = "ff7452ee21b8de64f10ceb4e9fee1212e1a9579cd717226613333e751676c86a"
 dependencies = [
- "crossbeam-channel 0.4.4",
+ "crossbeam-channel 0.5.0",
  "log",
  "serde",
  "serde_json",
@@ -1293,7 +1293,7 @@ dependencies = [
  "anyhow",
  "base_db",
  "cfg",
- "crossbeam-channel 0.4.4",
+ "crossbeam-channel 0.5.0",
  "env_logger",
  "expect-test",
  "flycheck",
diff --git a/crates/rust-analyzer/Cargo.toml b/crates/rust-analyzer/Cargo.toml
index 631ffc4a72b..df2ea6f85e6 100644
--- a/crates/rust-analyzer/Cargo.toml
+++ b/crates/rust-analyzer/Cargo.toml
@@ -16,7 +16,7 @@ path = "src/bin/main.rs"
 
 [dependencies]
 anyhow = "1.0.26"
-crossbeam-channel = "0.4.0"
+crossbeam-channel = "0.5.0"
 env_logger = { version = "0.7.1", default-features = false }
 itertools = "0.9.0"
 jod-thread = "0.1.0"
@@ -31,7 +31,7 @@ serde_json = "1.0.48"
 threadpool = "1.7.1"
 rayon = "1.3.1"
 mimalloc = { version = "0.1.19", default-features = false, optional = true }
-lsp-server = "0.3.3"
+lsp-server = "0.4.0"
 
 stdx = { path = "../stdx", version = "0.0.0" }
 flycheck = { path = "../flycheck", version = "0.0.0" }