diff --git a/CHANGELOG.md b/CHANGELOG.md
index e933f7e..cc71926 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+### 1.8.1 (2020-08-13)
+
+  * Added type annotations
+
 ### 1.8.0 (2020-04-30)
 
   * Improved lexer performance