diff --git a/src/client/eppo-client-with-bandits.spec.ts b/src/client/eppo-client-with-bandits.spec.ts
index 0610a90..9a8ccc8 100644
--- a/src/client/eppo-client-with-bandits.spec.ts
+++ b/src/client/eppo-client-with-bandits.spec.ts
@@ -163,7 +163,7 @@ describe('EppoClient Bandits E2E test', () => {
       expect(banditEvent.action).toBe('adidas');
       expect(banditEvent.actionProbability).toBeCloseTo(0.099);
       expect(banditEvent.optimalityGap).toBe(7.1);
-      expect(banditEvent.modelVersion).toBe('v123');
+      expect(banditEvent.modelVersion).toBe('123');
       expect(banditEvent.subjectNumericAttributes).toStrictEqual({ age: 25 });
       expect(banditEvent.subjectCategoricalAttributes).toStrictEqual({
         country: 'USA',
diff --git a/src/configuration-requestor.spec.ts b/src/configuration-requestor.spec.ts
index 746bb0f..b3bb05f 100644
--- a/src/configuration-requestor.spec.ts
+++ b/src/configuration-requestor.spec.ts
@@ -141,7 +141,7 @@ describe('ConfigurationRequestor', () => {
       const bannerBandit = banditModelStore.get('banner_bandit');
       expect(bannerBandit?.banditKey).toBe('banner_bandit');
       expect(bannerBandit?.modelName).toBe('falcon');
-      expect(bannerBandit?.modelVersion).toBe('v123');
+      expect(bannerBandit?.modelVersion).toBe('123');
       const bannerModelData = bannerBandit?.modelData;
       expect(bannerModelData?.gamma).toBe(1);
       expect(bannerModelData?.defaultActionScore).toBe(0);