diff --git a/.github/workflows/posix.yml b/.github/workflows/posix.yml
index f301f95..4eee039 100644
--- a/.github/workflows/posix.yml
+++ b/.github/workflows/posix.yml
@@ -81,4 +81,4 @@ jobs:
       - name: Run tests
         run: |
           cd ../boost-root
-          ./b2 -j3 libs/$LIBRARY/test toolset=${{matrix.toolset}} cxxstd=${{matrix.cxxstd}}
+          ./b2 -j3 libs/$LIBRARY/test toolset=${{matrix.toolset}} cxxstd=${{matrix.cxxstd}} variant=debug,release
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index f3b7143..e53683a 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -48,4 +48,4 @@ jobs:
         shell: cmd
         run: |
           cd ../boost-root
-          b2 -j3 libs/%LIBRARY%/test toolset=${{matrix.toolset}} cxxstd=${{matrix.cxxstd}}
+          b2 -j3 libs/%LIBRARY%/test toolset=${{matrix.toolset}} cxxstd=${{matrix.cxxstd}} variant=debug,release address-model=32,64