diff --git a/google/cloud/devtools/containeranalysis_v1/services/container_analysis/client.py b/google/cloud/devtools/containeranalysis_v1/services/container_analysis/client.py
index 7d7ef1c..e1b8941 100644
--- a/google/cloud/devtools/containeranalysis_v1/services/container_analysis/client.py
+++ b/google/cloud/devtools/containeranalysis_v1/services/container_analysis/client.py
@@ -474,6 +474,9 @@ def set_iam_policy(
         elif not request:
             request = iam_policy.SetIamPolicyRequest(resource=resource,)
 
+            if resource is not None:
+                request.resource = resource
+
         # Wrap the RPC method; this adds retry and timeout information,
         # and friendly error handling.
         rpc = self._transport._wrapped_methods[self._transport.set_iam_policy]
@@ -606,6 +609,9 @@ def get_iam_policy(
         elif not request:
             request = iam_policy.GetIamPolicyRequest(resource=resource,)
 
+            if resource is not None:
+                request.resource = resource
+
         # Wrap the RPC method; this adds retry and timeout information,
         # and friendly error handling.
         rpc = self._transport._wrapped_methods[self._transport.get_iam_policy]
@@ -694,6 +700,12 @@ def test_iam_permissions(
                 resource=resource, permissions=permissions,
             )
 
+            if resource is not None:
+                request.resource = resource
+
+            if permissions:
+                request.permissions.extend(permissions)
+
         # Wrap the RPC method; this adds retry and timeout information,
         # and friendly error handling.
         rpc = self._transport._wrapped_methods[self._transport.test_iam_permissions]
diff --git a/synth.metadata b/synth.metadata
index f2e1492..0738184 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -4,15 +4,15 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/python-containeranalysis.git",
-        "sha": "e5bb6c9f095a4db273a9546ea02ed19c2846b738"
+        "sha": "223efbea7e56037ca79ccf36344bc7cda20ce41d"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "20712b8fe95001b312f62c6c5f33e3e3ec92cfaf",
-        "internalRef": "354996675"
+        "sha": "5e3dacee19405529b841b53797df799c2383536c",
+        "internalRef": "355923884"
       }
     },
     {