diff --git a/CHANGES.md b/CHANGES.md
index 32f0cbc..be98268 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,6 +1,6 @@
 # Changes
 
-## v1.0.0 (in progress)
+## v1.0.0 (2021-04-10)
 
 ### New features
 - Remove `mike install-extras` and replace it with an MkDocs plugin; if you
diff --git a/mike/app_version.py b/mike/app_version.py
index 6c4856f..de43469 100644
--- a/mike/app_version.py
+++ b/mike/app_version.py
@@ -1 +1 @@
-version = '1.0.0.dev0'
+version = '1.0.0'