diff --git a/src/Cache.cpp b/src/Cache.cpp
index feadb006..c720a537 100644
--- a/src/Cache.cpp
+++ b/src/Cache.cpp
@@ -32,7 +32,7 @@
 
 //! Should be changed when a breaking change occurs in the cache format.
 //! This will reset client's data.
-static const std::string CURRENT_CACHE_FORMAT_VERSION("2018.06.10");
+static const std::string CURRENT_CACHE_FORMAT_VERSION("2018.09.16");
 static const std::string SECRET("secret");
 
 static const lmdb::val NEXT_BATCH_KEY("next_batch");