diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8e9acb54..030ec01e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@
 
 [1]: https://pypi.org/project/google-cloud-language/#history
 
+## [2.6.1](https://github.com/googleapis/python-language/compare/v2.6.0...v2.6.1) (2022-10-10)
+
+
+### Bug Fixes
+
+* **deps:** Allow protobuf 3.19.5 ([#385](https://github.com/googleapis/python-language/issues/385)) ([99e1907](https://github.com/googleapis/python-language/commit/99e1907440c08894c213e7d7c9a29618a4b3d0d8))
+
 ## [2.6.0](https://github.com/googleapis/python-language/compare/v2.5.2...v2.6.0) (2022-09-29)
 
 
diff --git a/samples/snippets/api/requirements.txt b/samples/snippets/api/requirements.txt
index 3b659116..3cc81ab8 100644
--- a/samples/snippets/api/requirements.txt
+++ b/samples/snippets/api/requirements.txt
@@ -1,3 +1,3 @@
-google-api-python-client==2.62.0
-google-auth==2.11.1
+google-api-python-client==2.64.0
+google-auth==2.12.0
 google-auth-httplib2==0.1.0
diff --git a/samples/snippets/classify_text/requirements.txt b/samples/snippets/classify_text/requirements.txt
index 954099ff..933b1bf8 100644
--- a/samples/snippets/classify_text/requirements.txt
+++ b/samples/snippets/classify_text/requirements.txt
@@ -1,3 +1,3 @@
-google-cloud-language==2.5.2
+google-cloud-language==2.6.0
 numpy==1.23.3; python_version > '3.7'
 numpy===1.21.4; python_version == '3.7'
diff --git a/samples/snippets/cloud-client/v1/requirements.txt b/samples/snippets/cloud-client/v1/requirements.txt
index db52d214..b9a49269 100644
--- a/samples/snippets/cloud-client/v1/requirements.txt
+++ b/samples/snippets/cloud-client/v1/requirements.txt
@@ -1 +1 @@
-google-cloud-language==2.5.2
+google-cloud-language==2.6.0
diff --git a/samples/snippets/generated-samples/v1/requirements.txt b/samples/snippets/generated-samples/v1/requirements.txt
index db52d214..b9a49269 100644
--- a/samples/snippets/generated-samples/v1/requirements.txt
+++ b/samples/snippets/generated-samples/v1/requirements.txt
@@ -1 +1 @@
-google-cloud-language==2.5.2
+google-cloud-language==2.6.0
diff --git a/samples/snippets/sentiment/requirements.txt b/samples/snippets/sentiment/requirements.txt
index db52d214..b9a49269 100644
--- a/samples/snippets/sentiment/requirements.txt
+++ b/samples/snippets/sentiment/requirements.txt
@@ -1 +1 @@
-google-cloud-language==2.5.2
+google-cloud-language==2.6.0
diff --git a/setup.py b/setup.py
index 2a36d10a..ae220ed8 100644
--- a/setup.py
+++ b/setup.py
@@ -21,7 +21,7 @@
 
 name = "google-cloud-language"
 description = "Google Cloud Natural Language API client library"
-version = "2.6.0"
+version = "2.6.1"
 # Should be one of:
 # 'Development Status :: 3 - Alpha'
 # 'Development Status :: 4 - Beta'
@@ -30,7 +30,7 @@
 dependencies = [
     "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",
 ]
 
 # Setup boilerplate below this line.
diff --git a/testing/constraints-3.7.txt b/testing/constraints-3.7.txt
index df8564de..4005dc5b 100644
--- a/testing/constraints-3.7.txt
+++ b/testing/constraints-3.7.txt
@@ -6,4 +6,4 @@
 # Then this file should have google-cloud-foo==1.14.0
 google-api-core==1.32.0
 proto-plus==1.22.0
-protobuf==3.20.2
+protobuf==3.19.5