diff --git a/package-lock.json b/package-lock.json
index 655d3ff0d8..209e45c8c1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -78,7 +78,7 @@
         "sinon": "19.0.2",
         "sylvester": "0.0.21",
         "ts-node": "10.9.2",
-        "typescript": "5.6.3",
+        "typescript": "5.5.4",
         "webpack": "5.95.0",
         "zeros": "1.0.0"
       },
@@ -13754,9 +13754,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.6.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.6.3.tgz",
-      "integrity": "sha512-hjcS1mhfuyi4WW8IWtjP7brDrG2cuDZukyrYrSauoXGNgx0S7zceP07adYkJycEr56BOUTNPzbInooiN3fn1qw==",
+      "version": "5.5.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.5.4.tgz",
+      "integrity": "sha512-Mtq29sKDAEYP7aljRgtPOpTvOfbwRWlS6dPRzwjdE+C0R4brX/GUyhHSecbHMFLNBLcJIPt9nl9yG5TZ1weH+Q==",
       "dev": true,
       "license": "Apache-2.0",
       "bin": {
diff --git a/package.json b/package.json
index 80e6cfcd1e..fb187c98e6 100644
--- a/package.json
+++ b/package.json
@@ -91,7 +91,7 @@
     "sinon": "19.0.2",
     "sylvester": "0.0.21",
     "ts-node": "10.9.2",
-    "typescript": "5.6.3",
+    "typescript": "5.5.4",
     "webpack": "5.95.0",
     "zeros": "1.0.0"
   },