diff --git a/History.md b/History.md
index 59dffd6..a0ec758 100644
--- a/History.md
+++ b/History.md
@@ -1,3 +1,7 @@
+# 4.0.0 / 2020-06-13
+
+  * Breaking: Implement PBKFD2 key derivation (#18)
+
 # 3.1.0 / 2019-04-29
 
   * Add encrypt/decrypt without base64 encoding (thanks [@mcgillowen](https://github.com/mcgillowen))
@@ -34,4 +38,4 @@
 # 1.1.0 / 2017-09-18
 
   * Add salt validation and improve comments
-  * Added ability to pass custom salt to everyencrypt call (thanks @VojtechBartos)
+  * Added ability to pass custom salt to everyencrypt call (thanks @VojtechBartos)
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