diff --git a/.github/workflows/clean_code.yaml b/.github/workflows/clean_code.yaml
index 0c498bc9..a726c165 100644
--- a/.github/workflows/clean_code.yaml
+++ b/.github/workflows/clean_code.yaml
@@ -16,7 +16,7 @@ jobs:
           caller-workflow-name: clippy_and_udeps_check
 
       - name: cargo clippy
-        run: cargo +nightly-2023-12-18-x86_64-unknown-linux-gnu clippy --all-targets
+        run: cargo +nightly-2023-12-17-x86_64-unknown-linux-gnu clippy --all-targets
 
       - name: cargo udeps
-        run: cargo +nightly-2023-12-18-x86_64-unknown-linux-gnu udeps --locked
+        run: cargo +nightly-2023-12-17-x86_64-unknown-linux-gnu udeps --locked