diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 577d2677..5ec7df12 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -13,7 +13,7 @@ on:
 
 env:
   RUST_FMT: nightly-2023-04-01-x86_64-unknown-linux-gnu
-  RUST_CLIPPY: 1.65
+  RUST_CLIPPY: 1.66
 
 jobs:
   "lint_fmt":