diff --git a/HISTORY.md b/HISTORY.md
index f552352..da790ed 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,3 +1,10 @@
+1.2.3 (2023-05-03)
+=========
+
+**Changes**
+
+- Add manifest file so tarball installs succeed, #66. Thanks @jantman.
+
 1.2.2 (2023-02-02)
 =========
 
diff --git a/requests_aws4auth/__init__.py b/requests_aws4auth/__init__.py
index 514f81a..60ff2b4 100644
--- a/requests_aws4auth/__init__.py
+++ b/requests_aws4auth/__init__.py
@@ -199,4 +199,4 @@
 del aws4signingkey
 del exceptions
 
-__version__ = '1.2.2'
+__version__ = '1.2.3'