diff --git a/CHANGELOG.md b/CHANGELOG.md
index c562437..85f1951 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.1.6](https://github.com/googleapis/python-appengine-logging/compare/v1.1.5...v1.1.6) (2022-10-07)
+
+
+### Bug Fixes
+
+* **deps:** Allow protobuf 3.19.5 ([#125](https://github.com/googleapis/python-appengine-logging/issues/125)) ([c343bc5](https://github.com/googleapis/python-appengine-logging/commit/c343bc5f0ccb133a301a0ff54f99a35c28015c3e))
+
 ## [1.1.5](https://github.com/googleapis/python-appengine-logging/compare/v1.1.4...v1.1.5) (2022-10-03)
 
 
diff --git a/setup.py b/setup.py
index 28436f5..a3714d2 100644
--- a/setup.py
+++ b/setup.py
@@ -18,7 +18,7 @@
 
 import setuptools  # type: ignore
 
-version = "1.1.5"
+version = "1.1.6"
 
 package_root = os.path.abspath(os.path.dirname(__file__))
 
@@ -48,7 +48,7 @@
         # https://github.com/googleapis/google-cloud-python/issues/10566
         "google-api-core[grpc] >= 1.31.5, <3.0.0dev,!=2.0.*,!=2.1.*,!=2.2.*,!=2.3.0",
         "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 f8accdd..17daa73 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==1.31.5
 proto-plus==1.22.0
-protobuf==3.20.2
+protobuf==3.19.5