diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2eac6e9d..5a30e3de 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 # Changelog
 ## Next Version
+## 1.0.0 - 31/8/2021
 ### Changed
 -  Aligned to orjson's flags and features of SIMD. Didn't include the stable compilation part as seems unnecessary.
 ### Misc
diff --git a/Cargo.lock b/Cargo.lock
index 1fc528fe..865dbfae 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -138,7 +138,7 @@ checksum = "692fcb63b64b1758029e0a96ee63e049ce8c5948587f2f7208df04625e5f6b56"
 
 [[package]]
 name = "ormsgpack"
-version = "0.3.6"
+version = "1.0.0"
 dependencies = [
  "ahash",
  "associative-cache",
diff --git a/Cargo.toml b/Cargo.toml
index f5356022..4dc9f0a4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ormsgpack"
-version = "0.3.6"
+version = "1.0.0"
 authors = ["Aviram Hassan <aviramyhassan@gmail.com>"]
 description = "Fast, correct Python msgpack library supporting dataclasses, datetimes, and numpy"
 edition = "2018"