CHANGELOG.md in unicode-blocks-1.2.0 vs CHANGELOG.md in unicode-blocks-1.2.1

@@ -1,6 +1,10 @@
 ## CHANGELOG
 
+### 1.2.1
+
+* Use `Gem::Util` for `gunzip`, removes deprecation warning
+
 ### 1.2.0
 
 * Unicode 10.0
 
 ### 1.1.0