diff --git a/.github/workflows/e2e.yml b/.github/workflows/e2e.yml
index c3bc05f..601858d 100644
--- a/.github/workflows/e2e.yml
+++ b/.github/workflows/e2e.yml
@@ -7,6 +7,7 @@ jobs:
         runs-on: ubuntu-latest
         strategy:
             matrix:
+                analyse-ext: [ 'no-ext', '' ]
                 include:
                     -
                         repo: TomasVotruba/unused-public
@@ -144,4 +145,4 @@ jobs:
             -
                 name: Run analyser
                 working-directory: ${{ matrix.repo }}
-                run: php ../../analyser/bin/composer-dependency-analyser --show-all-usages ${{ matrix.cdaArgs }}
+                run: php ../../analyser/bin/composer-dependency-analyser --show-all-usages ${{ matrix.analyse-ext == 'no-ext' && '--disable-ext-analysis' || '' }} ${{ matrix.cdaArgs }}