Release 1.1.1 (#5207)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index f69f8b9..ef2b094 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,12 @@
 
 [1]: https://pypi.org/project/google-api-core/#history
 
+## 1.1.1
+
+### Internal / Testing Changes
+- Use `install_requires` for platform dependencies instead of `extras_require` (#4991)
+- Update trove classifer to '5 - Production/Stable'
+
 ## 1.1.0
 
 ### Interface additions
diff --git a/setup.py b/setup.py
index 1b621bb..2c593cf 100644
--- a/setup.py
+++ b/setup.py
@@ -22,12 +22,12 @@
 
 name = 'google-api-core'
 description = 'Google API client core library'
-version = '1.1.0'
+version = '1.1.1'
 # Should be one of:
 # 'Development Status :: 3 - Alpha'
 # 'Development Status :: 4 - Beta'
 # 'Development Status :: 5 - Production/Stable'
-release_status = 'Development Status :: 4 - Beta'
+release_status = 'Development Status :: 5 - Production/Stable'
 dependencies = [
     'googleapis-common-protos<2.0dev,>=1.5.3',
     'protobuf>=3.0.0',