diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index 581d32f1..9274e56d 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -16,18 +16,19 @@ jobs:
         include:
         - compiler_driver: g++-9
           compiler_prefix: /usr/bin
-          cxx_flags_extra: "-Werror -Wall"
+          cxx_flags_extra: "-Werror -Wall -Wshadow"
         - compiler_driver: g++-10
           compiler_prefix: /usr/bin
-          cxx_flags_extra: "-Werror -Wall"
+          cxx_flags_extra: "-Werror -Wall -Wshadow"
         - compiler_driver: clang++
           compiler_prefix: /usr/bin
-          cxx_flags_extra: "-stdlib=libc++ -Werror -Wall"
+          cxx_flags_extra: "-stdlib=libc++ -Werror -Wall -Wshadow"
         - compiler_driver: icpx
           compiler_prefix: /opt/intel/oneapi/compiler/latest/linux/bin
           # To get new URL, look here:
           # https://www.intel.com/content/www/us/en/developer/articles/tool/oneapi-standalone-components.html#inpage-nav-6-undefined
           compiler_url: https://registrationcenter-download.intel.com/akdlm/IRC_NAS/ebf5d9aa-17a7-46a4-b5df-ace004227c0e/l_dpcpp-cpp-compiler_p_2023.2.1.8_offline.sh
+          cxx_flags_extra: "-Werror -Wall -Wshadow"
         - enable_benchmark: ON
         - stdcxx: 14
           enable_benchmark: OFF