diff --git a/pyproject.toml b/pyproject.toml
index 30e8d931e..882f1e3e7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -93,7 +93,7 @@ optional-dependencies.dev = [
     "sphinx-toolbox==4.0.0",
     "sphinxcontrib-httpdomain==1.8.1",
     "sphinxcontrib-spelling==8.0.2",
-    "sybil==9.2.0",
+    "sybil==9.3.0",
     "tenacity==9.1.2",
     "types-docker==7.1.0.20251202",
     "types-pyyaml==6.0.12.20250915",