diff --git a/.github/workflows/xahau-ga-nix.yml b/.github/workflows/xahau-ga-nix.yml
index 8cf8611fd..f2cf8eb8b 100644
--- a/.github/workflows/xahau-ga-nix.yml
+++ b/.github/workflows/xahau-ga-nix.yml
@@ -65,7 +65,7 @@ jobs:
                   "cxx": "clang++-14",
                   "compiler_version": 14,
                   "stdlib": "libstdcxx",
-                  # "clang_gcc_toolchain": 11,
+                  "clang_gcc_toolchain": 13,
                   "configuration": "Debug"
               },
               {
@@ -75,7 +75,7 @@ jobs:
                   "cxx": "clang++-16",
                   "compiler_version": 16,
                   "stdlib": "libstdcxx",
-                  # "clang_gcc_toolchain": 13,
+                  "clang_gcc_toolchain": 13,
                   "configuration": "Debug"
               },
               {