diff --git a/Cargo.lock b/Cargo.lock
index 705d55c91f2..050df49f2f4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1009,9 +1009,9 @@ dependencies = [
 
 [[package]]
 name = "memchr"
-version = "2.5.0"
+version = "2.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
+checksum = "f665ee40bc4a3c5590afb1e9677db74a508659dfd71e126420da8274909a0167"
 
 [[package]]
 name = "memmap2"
diff --git a/crates/ide-db/Cargo.toml b/crates/ide-db/Cargo.toml
index 0f723950f8d..4a2e770f193 100644
--- a/crates/ide-db/Cargo.toml
+++ b/crates/ide-db/Cargo.toml
@@ -22,7 +22,7 @@ either.workspace = true
 itertools.workspace = true
 arrayvec = "0.7.2"
 indexmap.workspace = true
-memchr = "2.5.0"
+memchr = "2.6.4"
 triomphe.workspace = true
 nohash-hasher.workspace = true