diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 362b53f49..f53472963 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,14 @@
 Changelog
 *********
 
+3.1.1 -- 2022-06-20
+===================
+
+Maintenance
+-----------
+* Replace deprecated cryptography ``verify_interface`` with ``isinstance``
+  `#467 <https://github.com/aws/aws-encryption-sdk-python/pull/467>`_
+
 3.1.0 -- 2021-11-10
 ===================
 
diff --git a/src/aws_encryption_sdk/identifiers.py b/src/aws_encryption_sdk/identifiers.py
index a2e47cf15..d4397335c 100644
--- a/src/aws_encryption_sdk/identifiers.py
+++ b/src/aws_encryption_sdk/identifiers.py
@@ -27,7 +27,7 @@
     # We only actually need these imports when running the mypy checks
     pass
 
-__version__ = "3.1.0"
+__version__ = "3.1.1"
 USER_AGENT_SUFFIX = "AwsEncryptionSdkPython/{}".format(__version__)