diff --git a/libs/providers/flipt-web/package-lock.json b/libs/providers/flipt-web/package-lock.json
index 286306740..58cf8582a 100644
--- a/libs/providers/flipt-web/package-lock.json
+++ b/libs/providers/flipt-web/package-lock.json
@@ -7,9 +7,10 @@
     "": {
       "name": "@openfeature/flipt-web-provider",
       "version": "0.1.2",
+      "license": "Apache-2.0",
       "dependencies": {
-        "@flipt-io/flipt-client-browser": "^0.3.1",
-        "tslib": "^2.3.0"
+        "@flipt-io/flipt-client-browser": "^0.5.0",
+        "undici": "^5.0.0"
       },
       "devDependencies": {
         "undici": "^6.13.0"
@@ -19,9 +20,10 @@
       }
     },
     "node_modules/@flipt-io/flipt-client-browser": {
-      "version": "0.3.1",
-      "resolved": "https://registry.npmjs.org/@flipt-io/flipt-client-browser/-/flipt-client-browser-0.3.1.tgz",
-      "integrity": "sha512-1MFuQuHRENnzVooxrfQjFBLNBfE5uGBJmF2NuPFXTYMZn+sGelFovuNVuKlHqegI3Dqzz9Al2qJlkeFo+MhHxg=="
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/@flipt-io/flipt-client-browser/-/flipt-client-browser-0.5.0.tgz",
+      "integrity": "sha512-W54qUOj/EA51+2cYd8xSIyUsK4+JC8XhJEuRRFY+hly2BLWx8SxF5LUjb7dxsSgT5E4BDF6D5D6PvI3XROYiwA==",
+      "license": "MIT"
     },
     "node_modules/@openfeature/core": {
       "version": "1.4.0",
@@ -38,11 +40,6 @@
         "@openfeature/core": "1.4.0"
       }
     },
-    "node_modules/tslib": {
-      "version": "2.8.0",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.0.tgz",
-      "integrity": "sha512-jWVzBLplnCmoaTr13V9dYbiQ99wvZRd0vNWaDRg+aVYRcjDF3nDksxFDE/+fkXnKhpnUUkmx5pK/v8mCtLVqZA=="
-    },
     "node_modules/undici": {
       "version": "6.20.1",
       "resolved": "https://registry.npmjs.org/undici/-/undici-6.20.1.tgz",
diff --git a/libs/providers/flipt-web/package.json b/libs/providers/flipt-web/package.json
index 269e5e97b..bcd1f7d10 100644
--- a/libs/providers/flipt-web/package.json
+++ b/libs/providers/flipt-web/package.json
@@ -15,7 +15,7 @@
     "undici": "^6.13.0"
   },
   "dependencies": {
-    "@flipt-io/flipt-client-browser": "^0.3.1",
+    "@flipt-io/flipt-client-browser": "^0.5.0",
     "undici": "^5.0.0"
   }
 }
diff --git a/libs/providers/flipt-web/src/lib/flipt-web-provider.spec.ts b/libs/providers/flipt-web/src/lib/flipt-web-provider.spec.ts
index 274c6055b..8364505e2 100644
--- a/libs/providers/flipt-web/src/lib/flipt-web-provider.spec.ts
+++ b/libs/providers/flipt-web/src/lib/flipt-web-provider.spec.ts
@@ -28,12 +28,12 @@ describe('FliptWebProvider', () => {
   describe('method resolveStringEvaluation', () => {
     it('should throw general error for non-existent flag', () => {
       expect(() => {
-        provider.resolveStringEvaluation('nonExistent', 'default', { fizz: 'buzz' });
+        provider.resolveStringEvaluation('nonExistent', 'default', { targetingKey: '1234', fizz: 'buzz' });
       }).toThrow(GeneralError);
     });
 
     it('should return right value if key exists', () => {
-      const value = provider.resolveStringEvaluation('flag_string', 'default', { fizz: 'buzz' });
+      const value = provider.resolveStringEvaluation('flag_string', 'default', { targetingKey: '1234', fizz: 'buzz' });
       expect(value).toHaveProperty('value', 'variant1');
       expect(value).toHaveProperty('reason', 'TARGETING_MATCH');
     });
@@ -42,12 +42,12 @@ describe('FliptWebProvider', () => {
   describe('method resolveNumberEvaluation', () => {
     it('should throw general error for non-existent flag', () => {
       expect(() => {
-        provider.resolveNumberEvaluation('nonExistent', 1, { fizz: 'buzz' });
+        provider.resolveNumberEvaluation('nonExistent', 1, { targetingKey: '1234', fizz: 'buzz' });
       }).toThrow(GeneralError);
     });
 
     it('should return right value if key exists', () => {
-      const value = provider.resolveNumberEvaluation('flag_number', 0, { fizz: 'buzz' });
+      const value = provider.resolveNumberEvaluation('flag_number', 0, { targetingKey: '1234', fizz: 'buzz' });
       expect(value).toHaveProperty('value', 5);
       expect(value).toHaveProperty('reason', 'TARGETING_MATCH');
     });
@@ -56,12 +56,12 @@ describe('FliptWebProvider', () => {
   describe('method resolveBooleanEvaluation', () => {
     it('should throw general error for non-existent flag', () => {
       expect(() => {
-        provider.resolveBooleanEvaluation('nonExistent', false, { fizz: 'buzz' });
+        provider.resolveBooleanEvaluation('nonExistent', false, { targetingKey: '1234', fizz: 'buzz' });
       }).toThrow(GeneralError);
     });
 
     it('should return right value if key exists', () => {
-      const value = provider.resolveBooleanEvaluation('flag_boolean', false, { fizz: 'buzz' });
+      const value = provider.resolveBooleanEvaluation('flag_boolean', false, { targetingKey: '1234', fizz: 'buzz' });
       expect(value).toHaveProperty('value', true);
       expect(value).toHaveProperty('reason', 'TARGETING_MATCH');
     });
@@ -70,12 +70,12 @@ describe('FliptWebProvider', () => {
   describe('method resolveObjectEvaluation', () => {
     it('should throw general error for non-existent flag', () => {
       expect(() => {
-        provider.resolveObjectEvaluation('nonExistent', {}, { fizz: 'buzz' });
+        provider.resolveObjectEvaluation('nonExistent', {}, { targetingKey: '1234', fizz: 'buzz' });
       }).toThrow(GeneralError);
     });
 
     it('should return right value if key exists', () => {
-      const value = provider.resolveObjectEvaluation('flag_object', { fizz: 'buzz' }, { fizz: 'buzz' });
+      const value = provider.resolveObjectEvaluation('flag_object', { fizz: 'buzz' }, { targetingKey: '1234', fizz: 'buzz' });
       expect(value).toHaveProperty('value', { foo: 'bar' });
       expect(value).toHaveProperty('reason', 'TARGETING_MATCH');
     });
@@ -83,7 +83,7 @@ describe('FliptWebProvider', () => {
 
   it('should throw TypeMismatchError on non-number value', () => {
     expect(() => {
-      provider.resolveNumberEvaluation('flag_string', 0, { fizz: 'buzz' });
+      provider.resolveNumberEvaluation('flag_string', 0, { targetingKey: '1234', fizz: 'buzz' });
     }).toThrow(TypeMismatchError);
   });
 });
diff --git a/package-lock.json b/package-lock.json
index ed16f2ae5..746e49140 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
         "@connectrpc/connect": "^1.4.0",
         "@connectrpc/connect-web": "^1.4.0",
         "@flipt-io/flipt": "^1.2.0",
-        "@flipt-io/flipt-client-browser": "^0.3.1",
+        "@flipt-io/flipt-client-browser": "^0.5.0",
         "@growthbook/growthbook": "^1.3.1",
         "@grpc/grpc-js": "^1.9.13",
         "@opentelemetry/api": "^1.3.0",
@@ -2358,9 +2358,10 @@
       "integrity": "sha512-LapnGsMxaf01aJmjeUmfYBwGiFx7+qImv10WfQJjBNGIv9fwmzmA3IzFyod5EtIJ1ck0gEW2C9EK03BQz4/C6Q=="
     },
     "node_modules/@flipt-io/flipt-client-browser": {
-      "version": "0.3.1",
-      "resolved": "https://registry.npmjs.org/@flipt-io/flipt-client-browser/-/flipt-client-browser-0.3.1.tgz",
-      "integrity": "sha512-1MFuQuHRENnzVooxrfQjFBLNBfE5uGBJmF2NuPFXTYMZn+sGelFovuNVuKlHqegI3Dqzz9Al2qJlkeFo+MhHxg=="
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/@flipt-io/flipt-client-browser/-/flipt-client-browser-0.5.0.tgz",
+      "integrity": "sha512-W54qUOj/EA51+2cYd8xSIyUsK4+JC8XhJEuRRFY+hly2BLWx8SxF5LUjb7dxsSgT5E4BDF6D5D6PvI3XROYiwA==",
+      "license": "MIT"
     },
     "node_modules/@growthbook/growthbook": {
       "version": "1.3.1",
diff --git a/package.json b/package.json
index 61d25a027..254bce3d9 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "@connectrpc/connect": "^1.4.0",
     "@connectrpc/connect-web": "^1.4.0",
     "@flipt-io/flipt": "^1.2.0",
-    "@flipt-io/flipt-client-browser": "^0.3.1",
+    "@flipt-io/flipt-client-browser": "^0.5.0",
     "@growthbook/growthbook": "^1.3.1",
     "@grpc/grpc-js": "^1.9.13",
     "@opentelemetry/api": "^1.3.0",