diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0dbe4cc1..ff83972a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [2.0.3](https://github.com/googleapis/python-documentai/compare/v2.0.2...v2.0.3) (2022-10-10)
+
+
+### Bug Fixes
+
+* **deps:** Allow protobuf 3.19.5 ([#388](https://github.com/googleapis/python-documentai/issues/388)) ([fd72e6e](https://github.com/googleapis/python-documentai/commit/fd72e6e9eb3ab90b37ce352bc2c138147ff0777b))
+
 ## [2.0.2](https://github.com/googleapis/python-documentai/compare/v2.0.1...v2.0.2) (2022-10-03)
 
 
diff --git a/samples/snippets/requirements.txt b/samples/snippets/requirements.txt
index e62b9a26..e0c65de2 100644
--- a/samples/snippets/requirements.txt
+++ b/samples/snippets/requirements.txt
@@ -1,2 +1,2 @@
-google-cloud-documentai==2.0.1
+google-cloud-documentai==2.0.2
 google-cloud-storage==2.5.0
diff --git a/setup.py b/setup.py
index cdda178e..95a1c0b3 100644
--- a/setup.py
+++ b/setup.py
@@ -20,7 +20,7 @@
 
 import setuptools  # type: ignore
 
-version = "2.0.2"
+version = "2.0.3"
 
 package_root = os.path.abspath(os.path.dirname(__file__))
 
@@ -48,7 +48,7 @@
     install_requires=(
         "google-api-core[grpc] >= 1.32.0, <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",
     ),
     python_requires=">=3.7",
     classifiers=[
diff --git a/testing/constraints-3.7.txt b/testing/constraints-3.7.txt
index 260e08b9..5dcaa6fd 100644
--- a/testing/constraints-3.7.txt
+++ b/testing/constraints-3.7.txt
@@ -7,4 +7,4 @@
 # Then this file should have foo==1.14.0
 google-api-core==1.32.0
 proto-plus==1.22.0
-protobuf==3.20.2
+protobuf==3.19.5