diff --git a/CHANGELOG.md b/CHANGELOG.md
index ad4a329e2..fe95aa534 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 <!--next-version-placeholder-->
 
+## v1.0.0 (2023-12-15)
+
+### Breaking
+
+* Co-authored-by: github-actions <github-actions@github.com> ([`14308e7`](https://github.com/WIPACrepo/SkyDriver/commit/14308e781368f50c12429e0eda616c7b7aef10cd))
+
 ## v0.8.9 (2023-12-07)
 
 ### Other
diff --git a/clientmanager/__init__.py b/clientmanager/__init__.py
index e346a9818..21a75196a 100644
--- a/clientmanager/__init__.py
+++ b/clientmanager/__init__.py
@@ -7,7 +7,7 @@
 # is zero for an official release, positive for a development branch,
 # or negative for a release candidate or beta (after the base version
 # number has been incremented)
-__version__ = "0.8.9"
+__version__ = "1.0.0"
 version_info = (
     int(__version__.split(".")[0]),
     int(__version__.split(".")[1]),
diff --git a/skydriver/__init__.py b/skydriver/__init__.py
index e346a9818..21a75196a 100644
--- a/skydriver/__init__.py
+++ b/skydriver/__init__.py
@@ -7,7 +7,7 @@
 # is zero for an official release, positive for a development branch,
 # or negative for a release candidate or beta (after the base version
 # number has been incremented)
-__version__ = "0.8.9"
+__version__ = "1.0.0"
 version_info = (
     int(__version__.split(".")[0]),
     int(__version__.split(".")[1]),