diff --git a/cmd/esbulk/esbulk.go b/cmd/esbulk/esbulk.go
index c9fc718..c5c5b93 100644
--- a/cmd/esbulk/esbulk.go
+++ b/cmd/esbulk/esbulk.go
@@ -21,7 +21,7 @@ import (
 )
 
 // Version of application.
-const Version = "0.5.1"
+const Version = "0.5.2"
 
 var (
 	version         = flag.Bool("v", false, "prints current program version")
diff --git a/packaging/debian/esbulk/DEBIAN/control b/packaging/debian/esbulk/DEBIAN/control
index 2bb80f3..677ba78 100644
--- a/packaging/debian/esbulk/DEBIAN/control
+++ b/packaging/debian/esbulk/DEBIAN/control
@@ -1,5 +1,5 @@
 Package: esbulk
-Version: 0.5.1
+Version: 0.5.2
 Section: utils
 Priority: optional
 Architecture: amd64
diff --git a/packaging/rpm/esbulk.spec b/packaging/rpm/esbulk.spec
index 68941ef..7dcd700 100644
--- a/packaging/rpm/esbulk.spec
+++ b/packaging/rpm/esbulk.spec
@@ -1,6 +1,6 @@
 Summary:    Fast parallel bulk loading utility for elasticsearch.
 Name:       esbulk
-Version:    0.5.1
+Version:    0.5.2
 Release:    0
 License:    MIT
 BuildArch:  x86_64