diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3146030..43ee020 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.2.3](https://github.com/googleapis/python-dataform/compare/v0.2.2...v0.2.3) (2022-10-07)
+
+
+### Bug Fixes
+
+* **deps:** Allow protobuf 3.19.5 ([#30](https://github.com/googleapis/python-dataform/issues/30)) ([b070f6e](https://github.com/googleapis/python-dataform/commit/b070f6e53daea5213a4ca5de90f7bf6cb6aa2a39))
+
 ## [0.2.2](https://github.com/googleapis/python-dataform/compare/v0.2.1...v0.2.2) (2022-09-29)
 
 
diff --git a/setup.py b/setup.py
index 669f40b..737b645 100644
--- a/setup.py
+++ b/setup.py
@@ -21,12 +21,12 @@
 
 name = "google-cloud-dataform"
 description = "Cloud Dataform API client library"
-version = "0.2.2"
+version = "0.2.3"
 release_status = "Development Status :: 3 - Alpha"
 dependencies = [
     "google-api-core[grpc] >= 2.8.0, <3.0.0dev",
     "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-dataform"
diff --git a/testing/constraints-3.7.txt b/testing/constraints-3.7.txt
index dad55cb..0230f0f 100644
--- a/testing/constraints-3.7.txt
+++ b/testing/constraints-3.7.txt
@@ -6,5 +6,5 @@
 # Then this file should have google-cloud-foo==1.14.0
 google-api-core==2.8.0
 proto-plus==1.22.0
-protobuf==3.20.2
+protobuf==3.19.5
 grpc-google-iam-v1==0.12.4