diff --git a/lsp-server/Cargo.lock b/lsp-server/Cargo.lock
index a061e62..423b586 100644
--- a/lsp-server/Cargo.lock
+++ b/lsp-server/Cargo.lock
@@ -409,9 +409,9 @@ dependencies = [
 
 [[package]]
 name = "lz4_flex"
-version = "0.11.5"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08ab2867e3eeeca90e844d1940eab391c9dc5228783db2ed999acbc0a9ed375a"
+checksum = "ab6473172471198271ff72e9379150e9dfd70d8e533e0752a27e515b48dd375e"
 dependencies = [
  "twox-hash",
 ]
diff --git a/lsp-server/Cargo.toml b/lsp-server/Cargo.toml
index 09827fc..b54776c 100644
--- a/lsp-server/Cargo.toml
+++ b/lsp-server/Cargo.toml
@@ -17,7 +17,7 @@ anyhow = "1.0"
 regex = "1.0"
 url = "2.0"
 sha2 = "0.10"
-lz4_flex = "0.11"
+lz4_flex = "0.12"
 
 [dev-dependencies]
 tokio-test = "0.4"