diff --git a/package-lock.json b/package-lock.json
index 547c7e5..88c93bd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -23,7 +23,7 @@
         "@cfn-modules/kms-key": "^1.2.1",
         "@cfn-modules/lb-dns-record": "^1.1.1",
         "@cfn-modules/rds-aurora-serverless-postgres": "^1.1.0",
-        "@cfn-modules/rds-postgres": "^2.1.0",
+        "@cfn-modules/rds-postgres": "^2.2.1",
         "@cfn-modules/route53-hosted-zone-public": "^1.0.0",
         "@cfn-modules/s3-bucket": "^1.8.0",
         "@cfn-modules/secret": "^1.3.0",
@@ -79,6 +79,7 @@
     },
     "node_modules/@cfn-modules/cloudwatch-dashboard/node_modules/@cfn-modules/lambda-function": {
       "version": "2.9.0",
+      "extraneous": true,
       "inBundle": true,
       "license": "Apache-2.0"
     },
@@ -123,18 +124,18 @@
       "integrity": "sha512-eXwXhCgtV+rrdruoY6RpflV6U39z9fZprUnnppIVCMtsbYMcup/eHr3KFtjsMW3UVCE0PNbD7KD4wiDPMDhInA=="
     },
     "node_modules/@cfn-modules/rds-postgres": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/@cfn-modules/rds-postgres/-/rds-postgres-2.2.0.tgz",
-      "integrity": "sha512-nt2EaDHJiclm21UFqap+6ZMZBsQgB2ek6aK4loTTfaUz8JOKIbR3c/BCmh43ODzKRs4DFzDotLLubTlbq5kxfA==",
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/@cfn-modules/rds-postgres/-/rds-postgres-2.2.1.tgz",
+      "integrity": "sha512-qwU4YaUPHH2R2i0gzb2g2o3g0T2O6lv8BIBgnNZsZwIqueY+HTPu4u8gzFBMuJUpyCri0YSxVDlymLaccV6GgA==",
       "bundleDependencies": [
         "@cfn-modules/rds-instance"
       ],
       "dependencies": {
-        "@cfn-modules/rds-instance": "*"
+        "@cfn-modules/rds-instance": "^1.3.0"
       }
     },
     "node_modules/@cfn-modules/rds-postgres/node_modules/@cfn-modules/rds-instance": {
-      "version": "1.4.0",
+      "version": "1.3.0",
       "inBundle": true,
       "license": "Apache-2.0"
     },
@@ -177,21 +178,25 @@
     },
     "node_modules/@cfn-modules/vpc/node_modules/@cfn-modules/vpc-flow-log": {
       "version": "2.0.0",
+      "extraneous": true,
       "inBundle": true,
       "license": "Apache-2.0"
     },
     "node_modules/@cfn-modules/vpc/node_modules/@cfn-modules/vpc-nat-gateway": {
       "version": "2.0.0",
+      "extraneous": true,
       "inBundle": true,
       "license": "Apache-2.0"
     },
     "node_modules/@cfn-modules/vpc/node_modules/@cfn-modules/vpc-plain": {
       "version": "2.0.1",
+      "extraneous": true,
       "inBundle": true,
       "license": "Apache-2.0"
     },
     "node_modules/@cfn-modules/vpc/node_modules/@cfn-modules/vpc-subnet": {
       "version": "2.1.0",
+      "extraneous": true,
       "inBundle": true,
       "license": "Apache-2.0"
     }
diff --git a/package.json b/package.json
index c9dd1e9..865beba 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "@cfn-modules/kms-key": "^1.2.1",
     "@cfn-modules/lb-dns-record": "^1.1.1",
     "@cfn-modules/rds-aurora-serverless-postgres": "^1.1.0",
-    "@cfn-modules/rds-postgres": "^2.1.0",
+    "@cfn-modules/rds-postgres": "^2.2.1",
     "@cfn-modules/route53-hosted-zone-public": "^1.0.0",
     "@cfn-modules/s3-bucket": "^1.8.0",
     "@cfn-modules/secret": "^1.3.0",