diff --git a/pyproject.toml b/pyproject.toml
index d3373350fe..f9bc0c8e31 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -79,7 +79,7 @@ tests = [
     "pytest==8.0.2",
 ]
 strict = [
-    "PyYAML==6.0.1",
+    "PyYAML==6.0.2",
     "ase==3.23.0",
     "calorine==2.2.1",
     "cclib==1.8.1",