From 83f0b4d0fb1892887f1431d6ed55961fd3e74659 Mon Sep 17 00:00:00 2001
From: rishav-karanjit <rishavkj@amazon.com>
Date: Wed, 25 Feb 2026 14:36:08 -0800
Subject: [PATCH 1/2] m

---
 CHANGELOG.rst                         | 10 ++++++++++
 src/aws_encryption_sdk/identifiers.py |  2 +-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index a615dde3d..7d268b6ea 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,16 @@
 Changelog
 *********
 
+4.0.4 -- 2025-09-03
+===================
+
+Maintenance
+-----------
+* deps: Extend supported `MPL`_ versions to include v1.11.2
+  `#788 <https://github.com/aws/aws-encryption-sdk-python/pull/788>`_
+
+  MPL v1.11.2 fixes de-serializing Error_OpaqueWithText
+
 4.0.3 -- 2025-09-03
 ===================
 
diff --git a/src/aws_encryption_sdk/identifiers.py b/src/aws_encryption_sdk/identifiers.py
index 8d7f9f103..3bd44e299 100644
--- a/src/aws_encryption_sdk/identifiers.py
+++ b/src/aws_encryption_sdk/identifiers.py
@@ -17,7 +17,7 @@
     # We only actually need these imports when running the mypy checks
     pass
 
-__version__ = "4.0.3"
+__version__ = "4.0.4"
 USER_AGENT_SUFFIX = "AwsEncryptionSdkPython/{}".format(__version__)
 
 

From b2fcfa96a248680def0cb8c37220d5a2f6364f8d Mon Sep 17 00:00:00 2001
From: rishav-karanjit <rishavkj@amazon.com>
Date: Wed, 25 Feb 2026 14:39:13 -0800
Subject: [PATCH 2/2] empty commit