diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 71b0cd4..a85f6ff 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,7 +27,7 @@ jobs:
 
       - name: Version validation
         if: ${{ github.event_name == 'pull_request' }}
-        uses: mukunku/tag-exists-action@v1.2.0
+        uses: mukunku/tag-exists-action@v1.5.0
         id: checkTag
         with:
           tag: v${{ env.VERSION }}
@@ -36,12 +36,12 @@ jobs:
 
       - name: Fail workflow if tag exists
         if: ${{ github.event_name == 'pull_request' && steps.checkTag.outputs.exists == 'true' }}
-        uses: actions/github-script@v6.4.0
+        uses: actions/github-script@v7.0.1
         with:
           script: core.setFailed('[ERROR] Tag already exists.')
 
       - name: Setup Go version
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
           go-version: '^1.20.7'
 
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 76ccd05..2b7632d 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Login to Artifactory
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
         with:
           registry: splitio-docker.jfrog.io
           username: ${{ secrets.ARTIFACTORY_DOCKER_USER }}
@@ -24,7 +24,7 @@ jobs:
         run: echo "VERSION=$(cat splitio/version.go | grep 'Version =' | awk '{print $4}' | tr -d '"')" >> $GITHUB_ENV
 
       - name: Docker build and push
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v5
         with:
           context: .
           file: "infra/sidecar.Dockerfile"
diff --git a/.github/workflows/unstable.yml b/.github/workflows/unstable.yml
index f0c0c7d..9e0eead 100644
--- a/.github/workflows/unstable.yml
+++ b/.github/workflows/unstable.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Login to Artifactory
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
         with:
           registry: splitio-docker-dev.jfrog.io
           username: ${{ secrets.ARTIFACTORY_DOCKER_USER }}
@@ -23,7 +23,7 @@ jobs:
         run: echo "SHORT_SHA=$(git rev-parse --short HEAD)" >> $GITHUB_ENV
 
       - name: Docker Build and Push
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v5
         with:
           context: .
           file: "infra/sidecar.Dockerfile"
diff --git a/splitio/sdk/sdk_test.go b/splitio/sdk/sdk_test.go
index b28750b..15db214 100644
--- a/splitio/sdk/sdk_test.go
+++ b/splitio/sdk/sdk_test.go
@@ -218,27 +218,39 @@ func TestTreatmentsByFlagSet(t *testing.T) {
 		}}).
 		Once()
 
-	expectedImpressions := []dtos.Impression{
-		{KeyName: "key1", BucketingKey: "", FeatureName: "f1", Treatment: "on", Label: "label1", ChangeNumber: 123},
-		{KeyName: "key1", BucketingKey: "", FeatureName: "f2", Treatment: "on", Label: "label2", ChangeNumber: 124},
-		{KeyName: "key1", BucketingKey: "", FeatureName: "f3", Treatment: "on", Label: "label3", ChangeNumber: 125},
+	expectedImpressions := map[string]*dtos.Impression{
+		"f1": {KeyName: "key1", BucketingKey: "", FeatureName: "f1", Treatment: "on", Label: "label1", ChangeNumber: 123},
+		"f2": {KeyName: "key1", BucketingKey: "", FeatureName: "f2", Treatment: "on", Label: "label2", ChangeNumber: 124},
+		"f3": {KeyName: "key1", BucketingKey: "", FeatureName: "f3", Treatment: "on", Label: "label3", ChangeNumber: 125},
 	}
 	im := &mocks.ImpressionManagerMock{}
 	im.On("ProcessSingle", mock.Anything).
 		Run(func(args mock.Arguments) {
-			assertImpEq(t, &expectedImpressions[0], args.Get(0).(*dtos.Impression))
+			imp, ok := args.Get(0).(*dtos.Impression)
+			if !ok {
+				t.Error("not an impression")
+			}
+			assertImpEq(t, expectedImpressions[imp.FeatureName], args.Get(0).(*dtos.Impression))
 		}).
 		Return(true).
 		Once()
 	im.On("ProcessSingle", mock.Anything).
 		Run(func(args mock.Arguments) {
-			assertImpEq(t, &expectedImpressions[1], args.Get(0).(*dtos.Impression))
+			imp, ok := args.Get(0).(*dtos.Impression)
+			if !ok {
+				t.Error("not an impression")
+			}
+			assertImpEq(t, expectedImpressions[imp.FeatureName], args.Get(0).(*dtos.Impression))
 		}).
 		Return(true).
 		Once()
 	im.On("ProcessSingle", mock.Anything).
 		Run(func(args mock.Arguments) {
-			assertImpEq(t, &expectedImpressions[2], args.Get(0).(*dtos.Impression))
+			imp, ok := args.Get(0).(*dtos.Impression)
+			if !ok {
+				t.Error("not an impression")
+			}
+			assertImpEq(t, expectedImpressions[imp.FeatureName], args.Get(0).(*dtos.Impression))
 		}).
 		Return(true).
 		Once()
@@ -258,9 +270,9 @@ func TestTreatmentsByFlagSet(t *testing.T) {
 	assert.Nil(t, res["f1"].Config)
 	assert.Nil(t, res["f2"].Config)
 	assert.Nil(t, res["f3"].Config)
-	assertImpEq(t, &expectedImpressions[0], res["f1"].Impression)
-	assertImpEq(t, &expectedImpressions[1], res["f2"].Impression)
-	assertImpEq(t, &expectedImpressions[2], res["f3"].Impression)
+	assertImpEq(t, expectedImpressions["f1"], res["f1"].Impression)
+	assertImpEq(t, expectedImpressions["f2"], res["f2"].Impression)
+	assertImpEq(t, expectedImpressions["f3"], res["f3"].Impression)
 
 	err = is.RangeAndClear(func(md types.ClientMetadata, st *storage.LockingQueue[dtos.Impression]) {
 		assert.Equal(t, types.ClientMetadata{ID: "some", SdkVersion: "go-1.2.3"}, md)
@@ -271,9 +283,9 @@ func TestTreatmentsByFlagSet(t *testing.T) {
 		assert.Nil(t, nil)
 		assert.Equal(t, 3, n)
 		assert.Equal(t, 3, len(imps))
-		assertImpEq(t, &expectedImpressions[0], &imps[0])
-		assertImpEq(t, &expectedImpressions[1], &imps[1])
-		assertImpEq(t, &expectedImpressions[2], &imps[2])
+		assertImpEq(t, expectedImpressions[imps[0].FeatureName], &imps[0])
+		assertImpEq(t, expectedImpressions[imps[1].FeatureName], &imps[1])
+		assertImpEq(t, expectedImpressions[imps[2].FeatureName], &imps[2])
 		n, err = st.Pop(1, &imps)
 		assert.Equal(t, 0, n)
 		assert.ErrorIs(t, err, storage.ErrQueueEmpty)
@@ -295,27 +307,39 @@ func TestTreatmentsByFlagSets(t *testing.T) {
 		}}).
 		Once()
 
-	expectedImpressions := []dtos.Impression{
-		{KeyName: "key1", BucketingKey: "", FeatureName: "f1", Treatment: "on", Label: "label1", ChangeNumber: 123},
-		{KeyName: "key1", BucketingKey: "", FeatureName: "f2", Treatment: "on", Label: "label2", ChangeNumber: 124},
-		{KeyName: "key1", BucketingKey: "", FeatureName: "f3", Treatment: "on", Label: "label3", ChangeNumber: 125},
+	expectedImpressions := map[string]*dtos.Impression{
+		"f1": {KeyName: "key1", BucketingKey: "", FeatureName: "f1", Treatment: "on", Label: "label1", ChangeNumber: 123},
+		"f2": {KeyName: "key1", BucketingKey: "", FeatureName: "f2", Treatment: "on", Label: "label2", ChangeNumber: 124},
+		"f3": {KeyName: "key1", BucketingKey: "", FeatureName: "f3", Treatment: "on", Label: "label3", ChangeNumber: 125},
 	}
 	im := &mocks.ImpressionManagerMock{}
 	im.On("ProcessSingle", mock.Anything).
 		Run(func(args mock.Arguments) {
-			assertImpEq(t, &expectedImpressions[0], args.Get(0).(*dtos.Impression))
+			imp, ok := args.Get(0).(*dtos.Impression)
+			if !ok {
+				t.Error("not an impression")
+			}
+			assertImpEq(t, expectedImpressions[imp.FeatureName], args.Get(0).(*dtos.Impression))
 		}).
 		Return(true).
 		Once()
 	im.On("ProcessSingle", mock.Anything).
 		Run(func(args mock.Arguments) {
-			assertImpEq(t, &expectedImpressions[1], args.Get(0).(*dtos.Impression))
+			imp, ok := args.Get(0).(*dtos.Impression)
+			if !ok {
+				t.Error("not an impression")
+			}
+			assertImpEq(t, expectedImpressions[imp.FeatureName], args.Get(0).(*dtos.Impression))
 		}).
 		Return(true).
 		Once()
 	im.On("ProcessSingle", mock.Anything).
 		Run(func(args mock.Arguments) {
-			assertImpEq(t, &expectedImpressions[2], args.Get(0).(*dtos.Impression))
+			imp, ok := args.Get(0).(*dtos.Impression)
+			if !ok {
+				t.Error("not an impression")
+			}
+			assertImpEq(t, expectedImpressions[imp.FeatureName], args.Get(0).(*dtos.Impression))
 		}).
 		Return(true).
 		Once()
@@ -335,9 +359,9 @@ func TestTreatmentsByFlagSets(t *testing.T) {
 	assert.Nil(t, res["f1"].Config)
 	assert.Nil(t, res["f2"].Config)
 	assert.Nil(t, res["f3"].Config)
-	assertImpEq(t, &expectedImpressions[0], res["f1"].Impression)
-	assertImpEq(t, &expectedImpressions[1], res["f2"].Impression)
-	assertImpEq(t, &expectedImpressions[2], res["f3"].Impression)
+	assertImpEq(t, expectedImpressions["f1"], res["f1"].Impression)
+	assertImpEq(t, expectedImpressions["f2"], res["f2"].Impression)
+	assertImpEq(t, expectedImpressions["f3"], res["f3"].Impression)
 
 	err = is.RangeAndClear(func(md types.ClientMetadata, st *storage.LockingQueue[dtos.Impression]) {
 		assert.Equal(t, types.ClientMetadata{ID: "some", SdkVersion: "go-1.2.3"}, md)
@@ -348,9 +372,9 @@ func TestTreatmentsByFlagSets(t *testing.T) {
 		assert.Nil(t, nil)
 		assert.Equal(t, 3, n)
 		assert.Equal(t, 3, len(imps))
-		assertImpEq(t, &expectedImpressions[0], &imps[0])
-		assertImpEq(t, &expectedImpressions[1], &imps[1])
-		assertImpEq(t, &expectedImpressions[2], &imps[2])
+		assertImpEq(t, expectedImpressions[imps[0].FeatureName], &imps[0])
+		assertImpEq(t, expectedImpressions[imps[1].FeatureName], &imps[1])
+		assertImpEq(t, expectedImpressions[imps[2].FeatureName], &imps[2])
 		n, err = st.Pop(1, &imps)
 		assert.Equal(t, 0, n)
 		assert.ErrorIs(t, err, storage.ErrQueueEmpty)