diff --git a/packages/gator-permissions-controller/src/GatorPermissionsController.test.ts b/packages/gator-permissions-controller/src/GatorPermissionsController.test.ts
index 6d486737451..c6c48f5fb64 100644
--- a/packages/gator-permissions-controller/src/GatorPermissionsController.test.ts
+++ b/packages/gator-permissions-controller/src/GatorPermissionsController.test.ts
@@ -306,8 +306,8 @@ describe('GatorPermissionsController', () => {
         frameworkContracts;
 
       const delegation = {
-        delegate: '0x4f71DA06987BfeDE90aF0b33E1e3e4ffDCEE7a63',
-        delegator: '0xB68c70159E9892DdF5659ec42ff9BD2bbC23e778',
+        delegate: '0x4f71DA06987BfeDE90aF0b33E1e3e4ffDCEE7a63' as Hex,
+        delegator: '0xB68c70159E9892DdF5659ec42ff9BD2bbC23e778' as Hex,
         authority: ROOT_AUTHORITY,
         caveats: [
           {
@@ -318,7 +318,7 @@ describe('GatorPermissionsController', () => {
               amountPerSecond: hexToBigInt('0x6f05b59d3b20000'),
               startTime: 1747699200,
             }),
-            args: '0x',
+            args: '0x' as Hex,
           },
         ],
         salt: 0n,
@@ -372,8 +372,8 @@ describe('GatorPermissionsController', () => {
         frameworkContracts;
 
       const delegation = {
-        delegate: '0x4f71DA06987BfeDE90aF0b33E1e3e4ffDCEE7a63',
-        delegator: '0xB68c70159E9892DdF5659ec42ff9BD2bbC23e778',
+        delegate: '0x4f71DA06987BfeDE90aF0b33E1e3e4ffDCEE7a63' as Hex,
+        delegator: '0xB68c70159E9892DdF5659ec42ff9BD2bbC23e778' as Hex,
         authority: ROOT_AUTHORITY,
         caveats: [
           {
@@ -384,7 +384,7 @@ describe('GatorPermissionsController', () => {
               amountPerSecond: hexToBigInt('0x6f05b59d3b20000'),
               startTime: 1747699200,
             }),
-            args: '0x',
+            args: '0x' as Hex,
           },
         ],
         salt: 0n,
diff --git a/packages/gator-permissions-controller/src/decodePermission/utils.test.ts b/packages/gator-permissions-controller/src/decodePermission/utils.test.ts
index 6892e663324..0297b895994 100644
--- a/packages/gator-permissions-controller/src/decodePermission/utils.test.ts
+++ b/packages/gator-permissions-controller/src/decodePermission/utils.test.ts
@@ -372,7 +372,7 @@ describe('extractExpiryFromCaveatTerms', () => {
   });
 
   it('throws if timestampBeforeThreshold is zero', () => {
-    const terms = `0x${'0'.repeat(64)}`;
+    const terms = `0x${'0'.repeat(64)}` as const;
 
     expect(() => extractExpiryFromCaveatTerms(terms)).toThrow(
       'Invalid expiry: timestampBeforeThreshold must be greater than 0',