diff --git a/mcp-instructions-server/pyproject.toml b/mcp-instructions-server/pyproject.toml
index 78511bc..0eed1ba 100644
--- a/mcp-instructions-server/pyproject.toml
+++ b/mcp-instructions-server/pyproject.toml
@@ -18,7 +18,7 @@ dev = [
     "pytest>=8.0",
     "ruff>=0.8.0",
     "mypy>=1.13.0",
-    "types-PyYAML>=6.0.12.20240917",
+    "types-PyYAML>=6.0.12.20260408",
 ]
 
 [project.scripts]