diff --git a/changelog.md b/changelog.md
index 4fb09a0..d1068d2 100644
--- a/changelog.md
+++ b/changelog.md
@@ -9,6 +9,8 @@ A `### Breaking` section is used in addition to Keep a Changelog's standard sect
 
 ## [Unreleased]
 
+## [1.0.0] - 2026-03-20
+
 ### Breaking
 
 ### Added
diff --git a/internal/releaseprep/version/version.go b/internal/releaseprep/version/version.go
index 59fc368..98a44ba 100644
--- a/internal/releaseprep/version/version.go
+++ b/internal/releaseprep/version/version.go
@@ -1,3 +1,3 @@
 package version
 
-const String = "0.1.0"
+const String = "1.0.0"