diff --git a/releases/amazon-cdk.json b/releases/amazon-cdk.json
index 17c947fd..17555311 100644
--- a/releases/amazon-cdk.json
+++ b/releases/amazon-cdk.json
@@ -1,6 +1,10 @@
 {
   "releases": {},
   "versions": {
+    "2.173.4": {
+      "name": "2.173.4",
+      "date": "2024-12-27"
+    },
     "2.173.3": {
       "name": "2.173.3",
       "date": "2024-12-26"