diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f7991711..5fe70864 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -103,7 +103,7 @@ clippy:
   stage: 'extras'
   script:
     - rustup component add clippy-preview
-    - cargo clippy --color=always --all --all-features --all-targets -- -A clippy::redundant_pattern_matching -A clippy::single_match -A clippy::cast_lossless
+    - cargo clippy --color=always --all --all-features --all-targets -- -A clippy::redundant_pattern_matching -A clippy::single_match -A clippy::cast_lossless -D warnings
 
 audit:
   extends: '.tarball_setup'