diff --git a/.github/workflows/valgrind.yml b/.github/workflows/valgrind.yml
index 2a7663f..7909492 100644
--- a/.github/workflows/valgrind.yml
+++ b/.github/workflows/valgrind.yml
@@ -58,4 +58,4 @@ jobs:
       - name: Test
         run: |
           cd tests
-          PYTHONMALLOC=malloc valgrind --leak-check=yes --track-origins=yes --log-file=valgrind-log.txt python -m pytest test_phik.py
+          PYTHONMALLOC=malloc valgrind --leak-check=yes --track-origins=yes --log-file=valgrind-log.txt python -m pytest test_phik.py -W ignore::DeprecationWarning