diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 33d3e081b..99f3ea1d4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -201,30 +201,40 @@ jobs:
             os: ubuntu-22.04
             install:
               - clang-11
+              - g++-11
+            gcc_toolchain: 11
           - toolset: clang
             compiler: clang++-12
             cxxstd: "11-gnu,14-gnu,17-gnu,20-gnu,2b-gnu"
             os: ubuntu-22.04
             install:
               - clang-12
+              - g++-11
+            gcc_toolchain: 11
           - toolset: clang
             compiler: clang++-13
             cxxstd: "11-gnu,14-gnu,17-gnu,20-gnu,2b-gnu"
             os: ubuntu-22.04
             install:
               - clang-13
+              - g++-11
+            gcc_toolchain: 11
           - toolset: clang
             compiler: clang++-14
             cxxstd: "11-gnu,14-gnu,17-gnu,20-gnu,2b-gnu"
             os: ubuntu-22.04
             install:
               - clang-14
+              - g++-11
+            gcc_toolchain: 11
           - toolset: clang
             compiler: clang++-15
             cxxstd: "11-gnu,14-gnu,17-gnu,20-gnu,2b-gnu"
             os: ubuntu-22.04
             install:
               - clang-15
+              - g++-11
+            gcc_toolchain: 11
           - toolset: clang
             compiler: clang++-15
             cxxstd: "11-gnu,14-gnu,17-gnu,20-gnu,2b-gnu"