diff --git a/.github/workflows/test-compile.yml b/.github/workflows/test-compile.yml
index d798668b1..2321866b7 100644
--- a/.github/workflows/test-compile.yml
+++ b/.github/workflows/test-compile.yml
@@ -33,7 +33,7 @@ jobs:
           - 'clang-16'
           - 'gcc-10'
           # newest, make sure to update maximum standard step to match
-          - 'clang-18'
+          - 'clang-19'
           - 'gcc-13'
         include:
           # macOS
@@ -72,7 +72,7 @@ jobs:
 
       # maximum standard, only on newest compilers
       - name: Build C++20
-        if: ${{ matrix.compiler == 'clang-18' || matrix.compiler == 'gcc-13' }}
+        if: ${{ matrix.compiler == 'clang-19' || matrix.compiler == 'gcc-13' }}
         shell: bash
         run: |
           make config-$CC_SHORT