diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 9ce6295eaf687dae1212c2bd48d6e29d98697096..bcccd2ef12320b020dedf7a8d3cfc2ecc12c06be 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,7 +6,7 @@ run-tests-release:
     - cd core
     - rustc --version && cargo --version
     - cargo test --release --verbose
-    - cargo valgrind test --release --verbose
+    - cargo valgrind test --release --verbose --errors-for-leak-kinds=definite
 
 run-tests-debug:
   needs: []
@@ -14,7 +14,7 @@ run-tests-debug:
     - cd core
     - rustc --version && cargo --version
     - cargo test --verbose
-    - cargo valgrind test --verbose
+    - cargo valgrind test --verbose --errors-for-leak-kinds=definite
 
 clippy:
   needs: []