diff --git a/.github/workflows/build_wheels_linux.yml b/.github/workflows/build_wheels_linux.yml
index eac7b2d..8a5b730 100644
--- a/.github/workflows/build_wheels_linux.yml
+++ b/.github/workflows/build_wheels_linux.yml
@@ -13,7 +13,7 @@ jobs:
       CIBW_TEST_REQUIRES: pytest mock pure-sasl eventlet
       CIBW_TEST_COMMAND: echo "wheel is installed"
       CIBW_BEFORE_ALL: yum install -y libev libev-devel
-      CIBW_ENVIRONMENT: CFLAGS='-s'
+      CIBW_ENVIRONMENT: CFLAGS='-s -fno-strict-overflow -Wsign-compare -DNDEBUG -g -O3 -Wall'
     steps:
       - uses: actions/checkout@v4
         with: