diff --git a/cdk/lib/__snapshots__/cdk-playground.test.ts.snap b/cdk/lib/__snapshots__/cdk-playground.test.ts.snap
index 1723aa6f..47461fa0 100644
--- a/cdk/lib/__snapshots__/cdk-playground.test.ts.snap
+++ b/cdk/lib/__snapshots__/cdk-playground.test.ts.snap
@@ -691,7 +691,7 @@ dpkg -i /cdk-playground/cdk-playground.deb",
         "HealthCheckIntervalSeconds": 10,
         "HealthCheckPath": "/healthcheck",
         "HealthCheckProtocol": "HTTP",
-        "HealthCheckTimeoutSeconds": 10,
+        "HealthCheckTimeoutSeconds": 5,
         "HealthyThresholdCount": 5,
         "Port": 9000,
         "Protocol": "HTTP",
diff --git a/cdk/package-lock.json b/cdk/package-lock.json
index 17f1572b..1c821abb 100644
--- a/cdk/package-lock.json
+++ b/cdk/package-lock.json
@@ -1485,9 +1485,9 @@
       }
     },
     "@guardian/cdk": {
-      "version": "23.5.0",
-      "resolved": "https://registry.npmjs.org/@guardian/cdk/-/cdk-23.5.0.tgz",
-      "integrity": "sha512-sg/2+I5oNv1y6q8Zyg7lVvBz8Ji4QNeB4DzgQQ/JcRTKzhhbkhDF8H27vri4L54i6liX/lR5g7+oautG+ogl5A==",
+      "version": "23.5.1",
+      "resolved": "https://registry.npmjs.org/@guardian/cdk/-/cdk-23.5.1.tgz",
+      "integrity": "sha512-WegabH9o2NtkIIGstRHN6+9sxVINQcMULOGiXfsMikl562wB8OTG55PoWjhDjuBAIlAGd+XisnwToVHo9vEymg==",
       "requires": {
         "@aws-cdk/assert": "1.115.0",
         "@aws-cdk/aws-apigateway": "1.115.0",
@@ -1504,12 +1504,12 @@
         "@aws-cdk/aws-rds": "1.115.0",
         "@aws-cdk/aws-s3": "1.115.0",
         "@aws-cdk/core": "1.115.0",
-        "aws-sdk": "^2.960.0",
+        "aws-sdk": "^2.976.0",
         "chalk": "^4.1.2",
         "execa": "^5.1.1",
         "git-url-parse": "^11.5.0",
         "read-pkg-up": "7.0.1",
-        "yargs": "^17.1.0"
+        "yargs": "^17.1.1"
       },
       "dependencies": {
         "chalk": {
@@ -4180,9 +4180,9 @@
       }
     },
     "aws-sdk": {
-      "version": "2.973.0",
-      "resolved": "https://registry.npmjs.org/aws-sdk/-/aws-sdk-2.973.0.tgz",
-      "integrity": "sha512-IhVDIrI+7x+643S7HKDZ8bA8rTKfkCLSlxUZcP9W39PD5y04Hwamxou/kNTtXzdg1yyriq3d5tCVu6w5Z5QFDQ==",
+      "version": "2.976.0",
+      "resolved": "https://registry.npmjs.org/aws-sdk/-/aws-sdk-2.976.0.tgz",
+      "integrity": "sha512-LWVh3nko6yGDfGcDW9nIClaukthkTueq7I/dXVNv4g9kuy2VOl5fVTPMACgTibWINAM29wZCM+gVQSSZu/Veow==",
       "requires": {
         "buffer": "4.9.2",
         "events": "1.1.1",
diff --git a/cdk/package.json b/cdk/package.json
index a6dd8fc5..dc127e93 100644
--- a/cdk/package.json
+++ b/cdk/package.json
@@ -29,7 +29,7 @@
   },
   "dependencies": {
     "@aws-cdk/core": "1.115.0",
-    "@guardian/cdk": "23.5.0",
+    "@guardian/cdk": "23.5.1",
     "source-map-support": "^0.5.16"
   }
 }