CHANGELOG.md in lifen-1.5.0 vs CHANGELOG.md in lifen-1.5.1

@@ -1,4 +1,9 @@
+1.5.1
+-----
+
+- Threadsafe strategy needed to included the persistence strategy
+
 1.5.0
 -----
 
 - Added threadsafe strategy when refreshing a token
 
\ No newline at end of file