diff --git a/BPBleOTA.podspec b/BPBleOTA.podspec
index 10845e8..07e86ba 100644
--- a/BPBleOTA.podspec
+++ b/BPBleOTA.podspec
@@ -8,7 +8,7 @@
 
 Pod::Spec.new do |s|
   s.name             = 'BPBleOTA'
-  s.version          = '0.6.3'
+  s.version          = '0.6.4'
   s.summary          = 'a swift library aggregating NordicDFU and SMPDFU implement'
 
 # This description is used to generate tags and improve search results.