diff --git a/pyproject.toml b/pyproject.toml
index 558554d..04d7c1f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -76,7 +76,7 @@ optional-dependencies.dev = [
     "types-pyyaml==6.0.12.20250915",
     "vulture==2.15",
     "yamlfix==1.19.1",
-    "zizmor==1.22.0",
+    "zizmor==1.23.1",
 ]
 optional-dependencies.release = [ "check-wheel-contents==0.6.3" ]
 urls.Documentation = "https://vws-python.github.io/vws-web-tools/"