diff --git a/CHANGELOG.md b/CHANGELOG.md
index f5cd263..67238b2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.9.4](https://github.com/googleapis/python-media-translation/compare/v0.9.3...v0.9.4) (2022-10-07)
+
+
+### Bug Fixes
+
+* **deps:** Allow protobuf 3.19.5 ([#235](https://github.com/googleapis/python-media-translation/issues/235)) ([4c3bf58](https://github.com/googleapis/python-media-translation/commit/4c3bf586d9beecc76c3173112ff00d22b83fe019))
+
 ## [0.9.3](https://github.com/googleapis/python-media-translation/compare/v0.9.2...v0.9.3) (2022-09-29)
 
 
diff --git a/samples/snippets/requirements.txt b/samples/snippets/requirements.txt
index 9e2b992..c93c523 100644
--- a/samples/snippets/requirements.txt
+++ b/samples/snippets/requirements.txt
@@ -1,3 +1,3 @@
-google-cloud-media-translation==0.9.2
+google-cloud-media-translation==0.9.3
 pyaudio==0.2.12
 six==1.16.0
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 308997f..2fd611b 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@
 
 import setuptools  # type: ignore
 
-version = "0.9.3"
+version = "0.9.4"
 
 package_root = os.path.abspath(os.path.dirname(__file__))
 
@@ -42,7 +42,7 @@
     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 260e08b..5dcaa6f 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