diff --git a/pyproject.toml b/pyproject.toml
index f9d6f5e9c..002f2a6b1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -84,7 +84,7 @@ optional-dependencies.dev = [
     "towncrier==25.8.0",
     "ty==0.0.77",
     "types-requests==2.33.0.20260712",
-    "vale==3.19.0.0",
+    "vale==3.20.0.0",
     "vulture==2.16",
     "vws-python-mock==2026.8.26.1",
     "vws-test-fixtures==2026.8.26",