diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 5a3102fe..9e10af2a 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -8,6 +8,7 @@ on:
 
 env:
   CARGO_TERM_COLOR: always
+  RUSTFLAGS: -Dwarnings
 
 jobs:
   build: