diff --git a/packages/google-cloud-binary-authorization/MANIFEST.in b/packages/google-cloud-binary-authorization/MANIFEST.in
index e9e29d12033d..e783f4c6209b 100644
--- a/packages/google-cloud-binary-authorization/MANIFEST.in
+++ b/packages/google-cloud-binary-authorization/MANIFEST.in
@@ -16,10 +16,10 @@
 
 # Generated by synthtool. DO NOT EDIT!
 include README.rst LICENSE
-recursive-include google *.json *.proto
+recursive-include google *.json *.proto py.typed
 recursive-include tests *
 global-exclude *.py[co]
 global-exclude __pycache__
 
 # Exclude scripts for samples readmegen
-prune scripts/readme-gen
\ No newline at end of file
+prune scripts/readme-gen
diff --git a/packages/google-cloud-binary-authorization/synth.metadata b/packages/google-cloud-binary-authorization/synth.metadata
index 8b36af83653e..623545a90e6b 100644
--- a/packages/google-cloud-binary-authorization/synth.metadata
+++ b/packages/google-cloud-binary-authorization/synth.metadata
@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/python-binary-authorization.git",
-        "sha": "867e1f5cf4b4cc5b3f334c42f73cb13e8e096350"
+        "sha": "79588df8099840dd4d5ba562e8d7e704a564e2bf"
       }
     },
     {
@@ -19,14 +19,14 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "d1bb9173100f62c0cfc8f3138b62241e7f47ca6a"
+        "sha": "33366574ffb9e11737b3547eb6f020ecae0536e8"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "d1bb9173100f62c0cfc8f3138b62241e7f47ca6a"
+        "sha": "33366574ffb9e11737b3547eb6f020ecae0536e8"
       }
     }
   ],