diff --git a/README.md b/README.md
index 1c0772d..2b9d634 100644
--- a/README.md
+++ b/README.md
@@ -88,6 +88,7 @@ $ awslocal sns list-topics
 
 ## Change Log
 
+* 3.0.3: Add missing `semver` dependency
 * 3.0.2: Add support for `aws-cdk` versions after 2026-03-01 (see https://github.com/aws/aws-cdk-cli/issues/310)
 * 3.0.1: Using the `-v`/`--version` flag prints the cdklocal version and the version of the underlying `aws-cdk` package (if possible)
 * 3.0.0: Sanitise environment of configuration environment variables before deployment
diff --git a/package-lock.json b/package-lock.json
index 1fe3f2b..0723132 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,15 +1,16 @@
 {
   "name": "aws-cdk-local",
-  "version": "3.0.2",
+  "version": "3.0.3",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "aws-cdk-local",
-      "version": "3.0.2",
+      "version": "3.0.3",
       "license": "Apache-2.0",
       "dependencies": {
-        "diff": "^5.0.0"
+        "diff": "^5.0.0",
+        "semver": "^7.7.4"
       },
       "bin": {
         "cdklocal": "bin/cdklocal"
@@ -90,6 +91,16 @@
         "url": "https://opencollective.com/babel"
       }
     },
+    "node_modules/@babel/core/node_modules/semver": {
+      "version": "6.3.1",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.1.tgz",
+      "integrity": "sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA==",
+      "dev": true,
+      "license": "ISC",
+      "bin": {
+        "semver": "bin/semver.js"
+      }
+    },
     "node_modules/@babel/generator": {
       "version": "7.26.10",
       "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.26.10.tgz",
@@ -124,6 +135,16 @@
         "node": ">=6.9.0"
       }
     },
+    "node_modules/@babel/helper-compilation-targets/node_modules/semver": {
+      "version": "6.3.1",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.1.tgz",
+      "integrity": "sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA==",
+      "dev": true,
+      "license": "ISC",
+      "bin": {
+        "semver": "bin/semver.js"
+      }
+    },
     "node_modules/@babel/helper-module-imports": {
       "version": "7.25.9",
       "resolved": "https://registry.npmjs.org/@babel/helper-module-imports/-/helper-module-imports-7.25.9.tgz",
@@ -1299,6 +1320,16 @@
         "node": ">=8"
       }
     },
+    "node_modules/babel-plugin-istanbul/node_modules/semver": {
+      "version": "6.3.1",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.1.tgz",
+      "integrity": "sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA==",
+      "dev": true,
+      "license": "ISC",
+      "bin": {
+        "semver": "bin/semver.js"
+      }
+    },
     "node_modules/babel-plugin-jest-hoist": {
       "version": "29.6.3",
       "resolved": "https://registry.npmjs.org/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-29.6.3.tgz",
@@ -2465,19 +2496,6 @@
         "node": ">=10"
       }
     },
-    "node_modules/istanbul-lib-instrument/node_modules/semver": {
-      "version": "7.7.1",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.1.tgz",
-      "integrity": "sha512-hlq8tAfn0m/61p4BVRcPzIGr6LKiMwo4VM6dGi6pt4qcRkmNzTcWq6eCEjEh+qXjkMDvPlOFFSGwQjoEa6gyMA==",
-      "dev": true,
-      "license": "ISC",
-      "bin": {
-        "semver": "bin/semver.js"
-      },
-      "engines": {
-        "node": ">=10"
-      }
-    },
     "node_modules/istanbul-lib-report": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/istanbul-lib-report/-/istanbul-lib-report-3.0.1.tgz",
@@ -3004,19 +3022,6 @@
         "node": "^14.15.0 || ^16.10.0 || >=18.0.0"
       }
     },
-    "node_modules/jest-snapshot/node_modules/semver": {
-      "version": "7.7.1",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.1.tgz",
-      "integrity": "sha512-hlq8tAfn0m/61p4BVRcPzIGr6LKiMwo4VM6dGi6pt4qcRkmNzTcWq6eCEjEh+qXjkMDvPlOFFSGwQjoEa6gyMA==",
-      "dev": true,
-      "license": "ISC",
-      "bin": {
-        "semver": "bin/semver.js"
-      },
-      "engines": {
-        "node": ">=10"
-      }
-    },
     "node_modules/jest-util": {
       "version": "29.7.0",
       "resolved": "https://registry.npmjs.org/jest-util/-/jest-util-29.7.0.tgz",
@@ -3268,19 +3273,6 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
-    "node_modules/make-dir/node_modules/semver": {
-      "version": "7.7.1",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.1.tgz",
-      "integrity": "sha512-hlq8tAfn0m/61p4BVRcPzIGr6LKiMwo4VM6dGi6pt4qcRkmNzTcWq6eCEjEh+qXjkMDvPlOFFSGwQjoEa6gyMA==",
-      "dev": true,
-      "license": "ISC",
-      "bin": {
-        "semver": "bin/semver.js"
-      },
-      "engines": {
-        "node": ">=10"
-      }
-    },
     "node_modules/makeerror": {
       "version": "1.0.12",
       "resolved": "https://registry.npmjs.org/makeerror/-/makeerror-1.0.12.tgz",
@@ -3775,13 +3767,15 @@
       }
     },
     "node_modules/semver": {
-      "version": "6.3.1",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.1.tgz",
-      "integrity": "sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA==",
-      "dev": true,
+      "version": "7.7.4",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.4.tgz",
+      "integrity": "sha512-vFKC2IEtQnVhpT78h1Yp8wzwrf8CM+MzKMHGJZfBtzhZNycRFnXsHk6E5TxIkkMsgNS7mdX3AGB7x2QM2di4lA==",
       "license": "ISC",
       "bin": {
         "semver": "bin/semver.js"
+      },
+      "engines": {
+        "node": ">=10"
       }
     },
     "node_modules/shebang-command": {
@@ -4288,6 +4282,14 @@
         "gensync": "^1.0.0-beta.2",
         "json5": "^2.2.3",
         "semver": "^6.3.1"
+      },
+      "dependencies": {
+        "semver": {
+          "version": "6.3.1",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.1.tgz",
+          "integrity": "sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA==",
+          "dev": true
+        }
       }
     },
     "@babel/generator": {
@@ -4314,6 +4316,14 @@
         "browserslist": "^4.24.0",
         "lru-cache": "^5.1.1",
         "semver": "^6.3.1"
+      },
+      "dependencies": {
+        "semver": {
+          "version": "6.3.1",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.1.tgz",
+          "integrity": "sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA==",
+          "dev": true
+        }
       }
     },
     "@babel/helper-module-imports": {
@@ -5169,6 +5179,12 @@
             "istanbul-lib-coverage": "^3.2.0",
             "semver": "^6.3.0"
           }
+        },
+        "semver": {
+          "version": "6.3.1",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.1.tgz",
+          "integrity": "sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA==",
+          "dev": true
         }
       }
     },
@@ -5964,14 +5980,6 @@
         "@istanbuljs/schema": "^0.1.3",
         "istanbul-lib-coverage": "^3.2.0",
         "semver": "^7.5.4"
-      },
-      "dependencies": {
-        "semver": {
-          "version": "7.7.1",
-          "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.1.tgz",
-          "integrity": "sha512-hlq8tAfn0m/61p4BVRcPzIGr6LKiMwo4VM6dGi6pt4qcRkmNzTcWq6eCEjEh+qXjkMDvPlOFFSGwQjoEa6gyMA==",
-          "dev": true
-        }
       }
     },
     "istanbul-lib-report": {
@@ -6355,14 +6363,6 @@
         "natural-compare": "^1.4.0",
         "pretty-format": "^29.7.0",
         "semver": "^7.5.3"
-      },
-      "dependencies": {
-        "semver": {
-          "version": "7.7.1",
-          "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.1.tgz",
-          "integrity": "sha512-hlq8tAfn0m/61p4BVRcPzIGr6LKiMwo4VM6dGi6pt4qcRkmNzTcWq6eCEjEh+qXjkMDvPlOFFSGwQjoEa6gyMA==",
-          "dev": true
-        }
       }
     },
     "jest-util": {
@@ -6544,14 +6544,6 @@
       "dev": true,
       "requires": {
         "semver": "^7.5.3"
-      },
-      "dependencies": {
-        "semver": {
-          "version": "7.7.1",
-          "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.1.tgz",
-          "integrity": "sha512-hlq8tAfn0m/61p4BVRcPzIGr6LKiMwo4VM6dGi6pt4qcRkmNzTcWq6eCEjEh+qXjkMDvPlOFFSGwQjoEa6gyMA==",
-          "dev": true
-        }
       }
     },
     "makeerror": {
@@ -6887,10 +6879,9 @@
       }
     },
     "semver": {
-      "version": "6.3.1",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.1.tgz",
-      "integrity": "sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA==",
-      "dev": true
+      "version": "7.7.4",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.4.tgz",
+      "integrity": "sha512-vFKC2IEtQnVhpT78h1Yp8wzwrf8CM+MzKMHGJZfBtzhZNycRFnXsHk6E5TxIkkMsgNS7mdX3AGB7x2QM2di4lA=="
     },
     "shebang-command": {
       "version": "2.0.0",
diff --git a/package.json b/package.json
index 1106923..6ec0c4b 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "aws-cdk-local",
   "description": "CDK Toolkit for use with LocalStack",
-  "version": "3.0.2",
+  "version": "3.0.3",
   "main": "src/index.js",
   "bin": {
     "cdklocal": "bin/cdklocal"
@@ -18,7 +18,8 @@
   },
   "license": "Apache-2.0",
   "dependencies": {
-    "diff": "^5.0.0"
+    "diff": "^5.0.0",
+    "semver": "^7.7.4"
   },
   "devDependencies": {
     "aws-cdk": "^2.1113.0",