diff --git a/gapic/core/artman_core.yaml b/gapic/core/artman_core.yaml
index 0a935f0e1..41e54671b 100644
--- a/gapic/core/artman_core.yaml
+++ b/gapic/core/artman_core.yaml
@@ -3,5 +3,8 @@ core:
   import_proto_path:
     - ${THISDIR}/../..
   src_proto_path:
-    - ${THISDIR}/../..
+    - ${THISDIR}/../../google/api
+    - ${THISDIR}/../../google/longrunning
+    - ${THISDIR}/../../google/rpc
+    - ${THISDIR}/../../google/type
   output_dir: ${REPOROOT}/artman/output