diff --git a/CHANGELOG.md b/CHANGELOG.md
index 36d019b46..a0fe732ae 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,20 @@
 **Note**: Gaps between patch versions are faulty/broken releases.
 **Note**: A feature tagged as Experimental is in a high state of flux, you're at risk of it changing without notice.
 
+# 0.4.4
+
+- **New Feature**
+  - add `contains`, `isNone`, `isSome`, `exists` methods to `Option` (@alexandervanhecke)
+  - add `Exception` module (@gcanti)
+  - add `Pair` module (@gcanti)
+  - add `Trace` module (@gcanti)
+  - add `IxMonad` module (@gcanti)
+  - add `IxIO` module (@gcanti)
+  - add `Either.fromOption` (@gcanti)
+- **Documentation**
+  - add `StateT` example (@gcanti)
+  - add `IxIO` example (@gcanti)
+
 # 0.4.3
 
 - **New Feature**
diff --git a/package.json b/package.json
index 77d441ff4..fac5876f2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "fp-ts",
-  "version": "0.4.3",
+  "version": "0.4.4",
   "description": "Functional programming in TypeScript",
   "files": ["lib"],
   "main": "lib/index.js",