diff --git a/.github/workflows/on_PR_linux_matrix.yml b/.github/workflows/on_PR_linux_matrix.yml
index 1c9dd336..82c7c0f1 100644
--- a/.github/workflows/on_PR_linux_matrix.yml
+++ b/.github/workflows/on_PR_linux_matrix.yml
@@ -50,7 +50,5 @@ jobs:
         env:
           EXIV2_EXT: .exe
         run: |
-          cd build/bin
-          ./unit_tests
-          cd ../../tests/
-          python runner.py -v
+          cd build
+          ctest --output-on-failure
diff --git a/.github/workflows/on_PR_mac_matrix.yml b/.github/workflows/on_PR_mac_matrix.yml
index 349e0f32..b290de03 100644
--- a/.github/workflows/on_PR_mac_matrix.yml
+++ b/.github/workflows/on_PR_mac_matrix.yml
@@ -44,7 +44,5 @@ jobs:
         env:
           EXIV2_EXT: .exe
         run: |
-          cd build/bin
-          ./unit_tests
-          cd ../../tests/
-          python3 runner.py -v
+          cd build
+          ctest --output-on-failure
diff --git a/.github/workflows/on_PR_windows_matrix.yml b/.github/workflows/on_PR_windows_matrix.yml
index db208521..95dcf79e 100644
--- a/.github/workflows/on_PR_windows_matrix.yml
+++ b/.github/workflows/on_PR_windows_matrix.yml
@@ -78,7 +78,5 @@ jobs:
         env:
           EXIV2_EXT: .exe
         run: |
-          cd build/bin
-          ./unit_tests.exe
-          cd ../../tests/
-          python.exe runner.py -v
+          cd build
+          ctest --output-on-failure
diff --git a/.github/workflows/on_push_BasicWinLinMac.yml b/.github/workflows/on_push_BasicWinLinMac.yml
index cc208a54..63f927ba 100644
--- a/.github/workflows/on_push_BasicWinLinMac.yml
+++ b/.github/workflows/on_push_BasicWinLinMac.yml
@@ -50,8 +50,8 @@ jobs:
 
       - name: Unit Test
         run: |
-          cd build/bin
-          ./unit_tests.exe
+          cd build
+          ctest --output-on-failure
 
   Linux:
     name: 'Ubuntu 20.04 - GCC - Arch:x64 BuildType:Release - SHARED'