diff --git a/package-lock.json b/package-lock.json
index 94953c3a2..1d1c61788 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -29880,9 +29880,9 @@
       "license": "ISC"
     },
     "node_modules/protobufjs": {
-      "version": "7.5.4",
-      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-7.5.4.tgz",
-      "integrity": "sha512-CvexbZtbov6jW2eXAvLukXjXUW1TzFaivC46BpWc/3BpcCysb5Vffu+B3XHMm8lVEuy2Mm4XGex8hBSg1yapPg==",
+      "version": "7.5.5",
+      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-7.5.5.tgz",
+      "integrity": "sha512-3wY1AxV+VBNW8Yypfd1yQY9pXnqTAN+KwQxL8iYm3/BjKYMNg4i0owhEe26PWDOMaIrzeeF98Lqd5NGz4omiIg==",
       "hasInstallScript": true,
       "license": "BSD-3-Clause",
       "dependencies": {
@@ -36160,7 +36160,7 @@
         "jest": "^30.2.0",
         "prettier": "3.6.2",
         "pretty-format": "^30.2.0",
-        "protobufjs": "^7.5.4",
+        "protobufjs": "^7.5.5",
         "rimraf": "^6.1.2",
         "ts-jest": "^29.4.5",
         "ts-node": "^10.9.2",
diff --git a/packages/contract-case-jest/package.json b/packages/contract-case-jest/package.json
index 40dc131cc..81968b621 100644
--- a/packages/contract-case-jest/package.json
+++ b/packages/contract-case-jest/package.json
@@ -71,7 +71,7 @@
     "jest": "^30.2.0",
     "prettier": "3.6.2",
     "pretty-format": "^30.2.0",
-    "protobufjs": "^7.5.4",
+    "protobufjs": "^7.5.5",
     "rimraf": "^6.1.2",
     "ts-jest": "^29.4.5",
     "ts-node": "^10.9.2",