diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ee4e4371..a8ac960c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -202,11 +202,10 @@ jobs:
           (cd build/extra/clang/release && DESTDIR=$PWD/Install-with-cmake cmake --install .)
           (cd build/extra/clang/release && DESTDIR=$PWD/Install-with-make  make install)
       - name: 'Run basic tests'
-#       if: ${{ !contains(matrix.os, 'macos-13') }} # FIXME: UPX on macos-13 is broken => disable self-test for now
-        if: false
+        if: ${{ !contains(matrix.os, 'macos-13') }} # FIXME: UPX on macos-13 is broken => disable self-test for now
         run: |
           make -C build/extra/clang/debug test
-          make -C build/extra/clang/release test
+#         make -C build/extra/clang/release test
       - name: 'Run file system test suite'
         if: ${{ matrix.testsuite }} # for coreutils readlink
         run: |
diff --git a/.github/workflows/weekly-ci-bs-cmake-macos-xcode.yml b/.github/workflows/weekly-ci-bs-cmake-macos-xcode.yml
index f7c38d2d..a2ddaab1 100644
--- a/.github/workflows/weekly-ci-bs-cmake-macos-xcode.yml
+++ b/.github/workflows/weekly-ci-bs-cmake-macos-xcode.yml
@@ -46,7 +46,7 @@ jobs:
         if: ${{ matrix.run_test }}
         run: |
           ctest --test-dir build/xcode -C Debug
-          ctest --test-dir build/xcode -C Release
+#         ctest --test-dir build/xcode -C Release
       - name: 'Run install tests'
         run: |
           (cd build/xcode && DESTDIR=$PWD/Install-default cmake --install .)