diff --git a/.drone.yml b/.drone.yml
index 357c8ae..04ce653 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -15,6 +15,7 @@ steps:
       - cmake -DCMAKE_BUILD_TYPE=Release . -B build-release
       - cmake --build build-release --target all -- -j 4
       - build-release/PorygonLangTests -s --durations yes --use-colour yes
+      - valgrind --tool=memcheck --gen-suppressions=all --leak-check=full --leak-resolution=med --track-origins=yes --vgdb=no --error-exitcode=1 build-release/PorygonLangTests
 
 #  - name: test-release-windows
 #    image: deukhoofd/dockcross-windows