diff --git a/pkg/tags/sync.go b/pkg/tags/sync.go
index c3cb621..2a7fef1 100644
--- a/pkg/tags/sync.go
+++ b/pkg/tags/sync.go
@@ -86,7 +86,7 @@ func SyncTags(
 		}
 	}
 
-	for k, _ := range existingTags {
+	for k := range existingTags {
 		if _, found := desiredTags[k]; !found {
 			deleteKey := k
 			toDelete = append(toDelete, deleteKey)
@@ -136,7 +136,7 @@ func addTags(
 	exit := rlog.Trace("rm.addTag")
 	defer func() { exit(err) }()
 
-	sdkTags := []svcsdktypes.Tag{}
+	sdkTags := toSdkTags(tags)
 	input := &svcsdk.TagResourceInput{
 		ResourceId: &resourceID,
 		Tags:       sdkTags,
@@ -166,3 +166,11 @@ func removeTags(
 	mr.RecordAPICall("UPDATE", "UntagResource", err)
 	return err
 }
+
+func toSdkTags(tags map[string]*string) []svcsdktypes.Tag {
+	sdkTags := []svcsdktypes.Tag{}
+	for key, val := range tags {
+		sdkTags = append(sdkTags, svcsdktypes.Tag{Key: &key, Value: val})
+	}
+	return sdkTags
+}
diff --git a/test/e2e/tests/test_file_system.py b/test/e2e/tests/test_file_system.py
index 6c8f749..95a7e5e 100644
--- a/test/e2e/tests/test_file_system.py
+++ b/test/e2e/tests/test_file_system.py
@@ -20,6 +20,7 @@
 import json
 
 from acktest.resources import random_suffix_name
+from acktest import tags
 from acktest.k8s import resource as k8s
 
 from e2e import service_marker, CRD_GROUP, CRD_VERSION, load_efs_resource
@@ -179,4 +180,37 @@ def test_update_lifecycle_policies(self, efs_client, simple_file_system):
 
         lfps = validator.get_file_system_lifecycle_policy(file_system_id)
         assert lfps is not None
-        assert lfps[0]['TransitionToIA'] == "AFTER_30_DAYS"
\ No newline at end of file
+        assert lfps[0]['TransitionToIA'] == "AFTER_30_DAYS"
+    
+    def test_update_tags(self, efs_client, simple_file_system):
+        (ref, _, file_system_id) = simple_file_system
+        assert file_system_id is not None
+
+        validator = EFSValidator(efs_client)
+        assert validator.file_system_exists(file_system_id)
+
+        desired_tags = [{
+            "key": "Name",
+            "value": "foobar"
+        }]
+        updates = {
+            "spec": {
+                "tags": desired_tags,
+            },
+        }
+        k8s.patch_custom_resource(ref, updates)
+        time.sleep(UPDATE_WAIT_AFTER_SECONDS)
+
+        fs = validator.get_file_system(file_system_id)
+        assert fs is not None
+        latest_tags = fs['FileSystems'][0]["Tags"]
+
+        tags.assert_ack_system_tags(
+            tags=latest_tags
+        )
+
+        desired_tags = [{"Key": d["key"], "Value": d["value"]} for d in desired_tags]
+        tags.assert_equal_without_ack_tags(
+            expected=desired_tags,
+            actual=latest_tags
+        )
\ No newline at end of file