diff --git a/Cargo.lock b/Cargo.lock
index e12611033..f8f448a68 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1799,9 +1799,9 @@ checksum = "34080505efa8e45a4b816c349525ebe327ceaa8559756f0356cba97ef3bf7432"
 
 [[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/crates/compiler-core/Cargo.toml b/crates/compiler-core/Cargo.toml
index e49c73eb1..f4e619b95 100644
--- a/crates/compiler-core/Cargo.toml
+++ b/crates/compiler-core/Cargo.toml
@@ -18,7 +18,7 @@ itertools = { workspace = true }
 malachite-bigint = { workspace = true }
 num-complex = { workspace = true }
 
-lz4_flex = "0.11"
+lz4_flex = "0.12"
 
 [lints]
 workspace = true