diff --git a/pyproject.toml b/pyproject.toml
index 3740678..a8ffed9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,7 +26,7 @@ license = {text = "Apache-2.0"}
 dependencies = [
     "awscli==1.38.10",
     "nifcloud==1.17.0",
-    "pyyaml==5.3.1",
+    "pyyaml==5.4",
 ]
 requires-python = ">=3.8"