diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index 86f6dddb1..85e0da121 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -56,6 +56,7 @@ jobs:
         env:
           CC: ${{ matrix.compiler[0] }}
           CXX: ${{ matrix.compiler[1] }}
+          CONAN_CMAKE_GENERATOR: ninja
         run: |
           conan build . -bf build --configure
           conan build . -bf build --build
@@ -69,6 +70,7 @@ jobs:
         env:
           CC: ${{ matrix.compiler[0] }}
           CXX: ${{ matrix.compiler[1] }}
+          CONAN_CMAKE_GENERATOR: ninja
         run: |
           conan create -pr:b release -pr:h default -tf examples/conan_test_package -tbf test-build -o celix:celix_cxx17=True -o celix:celix_install_deprecated_api=True --require-override=libcurl/7.64.1 --require-override=openssl/1.1.1s .