diff --git a/.github/workflows/linux-build.yml b/.github/workflows/linux-build.yml
index 916c2b04..831b246d 100644
--- a/.github/workflows/linux-build.yml
+++ b/.github/workflows/linux-build.yml
@@ -57,6 +57,7 @@ jobs:
 
     - name: build
       run: |
+        export CXXFLAGS=-Werror
         cmake -E make_directory build
         cmake -E chdir build cmake \
           -DCMAKE_CXX_COMPILER=${{ matrix.cpp-compiler }} \
diff --git a/.github/workflows/qt5.yml b/.github/workflows/qt5.yml
index 1a9e80fa..a795d6fa 100644
--- a/.github/workflows/qt5.yml
+++ b/.github/workflows/qt5.yml
@@ -51,6 +51,7 @@ jobs:
 
     - name: build
       run: |
+        export CXXFLAGS=-Werror
         cmake -E make_directory build
         cmake -E chdir build cmake \
           -G Ninja \
@@ -60,7 +61,7 @@ jobs:
           -DCUKE_ENABLE_EXAMPLES=on \
           -DCUKE_TESTS_UNIT=on \
           ..
-        cmake --build build --parallel
+        cmake --build build --parallel --verbose
 
     - name: unit tests
       run: |
diff --git a/.github/workflows/run-all.yml b/.github/workflows/run-all.yml
index 879981ea..dc1c83f3 100644
--- a/.github/workflows/run-all.yml
+++ b/.github/workflows/run-all.yml
@@ -56,6 +56,7 @@ jobs:
 
     - name: build and run
       run: |
+        export CXXFLAGS=-Werror
         ./run-linux.sh
 
     - name: code coverage summary report
diff --git a/CMakeLists.txt b/CMakeLists.txt
index cc983531..7b92ff49 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -98,7 +98,7 @@ endif()
 #
 
 if(CMAKE_CXX_COMPILER_ID MATCHES "Clang|GNU")
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS_INIT} -Werror -Wall -Wextra -Wsuggest-override ${CMAKE_CXX_FLAGS}")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS_INIT} -Wall -Wextra -Wsuggest-override ${CMAKE_CXX_FLAGS}")
     # TODO: A better fix should handle ld's --as-needed flag
     if(UNIX AND NOT APPLE)
         set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Xlinker '--no-as-needed'")
diff --git a/run-linux.sh b/run-linux.sh
index cc74aea2..7f0c1730 100755
--- a/run-linux.sh
+++ b/run-linux.sh
@@ -15,7 +15,7 @@ cmake -E chdir build cmake \
     -DCUKE_TESTS_UNIT=on \
     -DCUKE_CODE_COVERAGE=on \
     ..
-cmake --build build --parallel
+cmake --build build --parallel --verbose
 
 #
 # Run tests