diff --git a/CHANGELOG.md b/CHANGELOG.md
index 576112e..5b71b3d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## [0.2.2](https://github.com/googleapis/python-beyondcorp-appgateways/compare/v0.2.1...v0.2.2) (2022-10-10)
+
+
+### Bug Fixes
+
+* **deps:** Allow protobuf 3.19.5 ([#30](https://github.com/googleapis/python-beyondcorp-appgateways/issues/30)) ([bef20fa](https://github.com/googleapis/python-beyondcorp-appgateways/commit/bef20fa45913a05b9efa07ac29bfd1bce9037ea2))
+* **deps:** require google-api-core>=1.33.2 ([bef20fa](https://github.com/googleapis/python-beyondcorp-appgateways/commit/bef20fa45913a05b9efa07ac29bfd1bce9037ea2))
+
 ## [0.2.1](https://github.com/googleapis/python-beyondcorp-appgateways/compare/v0.2.0...v0.2.1) (2022-10-03)
 
 
diff --git a/setup.py b/setup.py
index 8e88af1..c1bcabd 100644
--- a/setup.py
+++ b/setup.py
@@ -21,12 +21,12 @@
 
 name = "google-cloud-beyondcorp-appgateways"
 description = "BeyondCorp AppGateways API client library"
-version = "0.2.1"
+version = "0.2.2"
 release_status = "Development Status :: 4 - Beta"
 dependencies = [
-    "google-api-core[grpc] >= 1.33.1, <3.0.0dev,!=2.0.*,!=2.1.*,!=2.2.*,!=2.3.*,!=2.4.*,!=2.5.*,!=2.6.*,!=2.7.*",
+    "google-api-core[grpc] >= 1.33.2, <3.0.0dev,!=2.0.*,!=2.1.*,!=2.2.*,!=2.3.*,!=2.4.*,!=2.5.*,!=2.6.*,!=2.7.*",
     "proto-plus >= 1.22.0, <2.0.0dev",
-    "protobuf >= 3.20.2, <5.0.0dev",
+    "protobuf>=3.19.5,<5.0.0dev,!=3.20.0,!=3.20.1,!=4.21.0,!=4.21.1,!=4.21.2,!=4.21.3,!=4.21.4,!=4.21.5",
     "grpc-google-iam-v1 >=0.12.4, <1.0.0dev",
 ]
 url = "https://github.com/googleapis/python-beyondcorp-appgateways"
diff --git a/testing/constraints-3.7.txt b/testing/constraints-3.7.txt
index ea9ee0d..883a87a 100644
--- a/testing/constraints-3.7.txt
+++ b/testing/constraints-3.7.txt
@@ -4,7 +4,7 @@
 # Pin the version to the lower bound.
 # e.g., if setup.py has "google-cloud-foo >= 1.14.0, < 2.0.0dev",
 # Then this file should have google-cloud-foo==1.14.0
-google-api-core==1.33.1
+google-api-core==1.33.2
 proto-plus==1.22.0
-protobuf==3.20.2
+protobuf==3.19.5
 grpc-google-iam-v1==0.12.4