diff --git a/.github/workflows/cmake-multi-platform.yml b/.github/workflows/cmake-multi-platform.yml
index 9e83a3c..22f2a6f 100644
--- a/.github/workflows/cmake-multi-platform.yml
+++ b/.github/workflows/cmake-multi-platform.yml
@@ -23,9 +23,6 @@ jobs:
           - os: ubuntu-latest
             c_compiler: gcc
             cpp_compiler: g++
-          - os: ubuntu-latest
-            c_compiler: clang
-            cpp_compiler: clang++
         exclude:
           - os: windows-latest
             c_compiler: gcc
@@ -33,6 +30,9 @@ jobs:
             c_compiler: clang
           - os: ubuntu-latest
             c_compiler: cl
+          - os: ubuntu-latest # ubuntu's clang is too old?
+            c_compiler: clang
+            cpp_compiler: clang++
 
     steps:
     - name: Install Qt