diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -2,6 +2,14 @@
 =====================
 
 
+v1.0.0
+------
+
+This release indicates that the `Data.Express` API is now stable.
+
+* no changes since v0.2.0 or v0.1.16.
+
+
 v0.2.0
 ------
 
diff --git a/express.cabal b/express.cabal
--- a/express.cabal
+++ b/express.cabal
@@ -1,6 +1,6 @@
 -- Cabal file for express
 name: express
-version: 0.2.0
+version: 1.0.0
 synopsis: Dynamically-typed expressions involving function application and variables.
 description:
   Express is a library for manipulating dynamically typed Haskell expressions.
@@ -63,7 +63,7 @@
 source-repository this
   type:           git
   location:       https://github.com/rudymatela/express
-  tag:            v0.2.0
+  tag:            v1.0.0
 
 library
   exposed-modules:     Data.Express
