diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 25d161c..35592ae 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -43,13 +43,13 @@ jobs:
         include:
           # Linux, gcc
           - { compiler: gcc-12, cxxstd: '14,17,20', boostBranch: boost-1.86.0, os: ubuntu-24.04 }
-          - { compiler: gcc-14, cxxstd: '17,20', boostBranch: boost-1.86.0, os: ubuntu-24.04 }
-          - { compiler: gcc-14, cxxstd: '17,20', boostBranch: master, os: ubuntu-24.04 }
+          - { compiler: gcc-14, cxxstd: '14,17,20', boostBranch: boost-1.86.0, os: ubuntu-24.04 }
+          - { compiler: gcc-14, cxxstd: '14,17,20', boostBranch: master, os: ubuntu-24.04 }
 
           # Linux, clang
           - { compiler: clang-14,  cxxstd: '14,17,20', boostBranch: boost-1.86.0, os: ubuntu-24.04 }
-          - { compiler: clang-18,  cxxstd: '17,20', boostBranch: boost-1.86.0, os: ubuntu-24.04 }
-          - { compiler: clang-18,  cxxstd: '17,20', boostBranch: master, os: ubuntu-24.04 }
+          - { compiler: clang-18,  cxxstd: '14,17,20', boostBranch: boost-1.86.0, os: ubuntu-24.04 }
+          - { compiler: clang-18,  cxxstd: '14,17,20', boostBranch: master, os: ubuntu-24.04 }
 
           - { name: Collect coverage, coverage: yes, compiler: gcc-14, cxxstd: '14', boostBranch: boost-1.86.0, os: ubuntu-24.04 }