diff --git a/pyproject.toml b/pyproject.toml
index d6dc87b6..cc006bab 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -42,7 +42,7 @@ optional-dependencies.dev = [
     "check-manifest==0.51",
     "deptry==0.25.1",
     "doc8==2.0.0",
-    "doccmd==2026.3.26.2",
+    "doccmd==2026.5.6",
     "freezegun==1.5.5",
     "furo==2025.12.19",
     "hadolint-bin==2.14.0; sys_platform!='win32'",