diff --git a/layer/requirements.txt b/layer/requirements.txt
index 0484892d321..56bf68168f0 100644
--- a/layer/requirements.txt
+++ b/layer/requirements.txt
@@ -11,9 +11,9 @@ attrs==21.4.0 \
     #   -r requirements.txt
     #   cattrs
     #   jsii
-aws-cdk-lib==2.29.0 \
-    --hash=sha256:4f852105cafd28a2bbd9bd2c6d24a2e1ab503bba923fd49a1782390b235af999 \
-    --hash=sha256:53a78788219d9bf3a998211223225b34a10f066124e2812adcd40fd0a2058572
+aws-cdk-lib==2.31.1 \
+    --hash=sha256:a07f6a247be110e874af374fa683d6c7eba86dfc9781cb555428b534c75bd4c0 \
+    --hash=sha256:a3868c367cab3cf09e6bb68405e31f4342fc4a4905ccc3e3fdde133d520206c0
     # via
     #   -r requirements.txt
     #   cdk-lambda-powertools-python-layer