diff --git a/Foundation/include/Poco/Version.h b/Foundation/include/Poco/Version.h
index b8433080a..2b3ea9b5e 100644
--- a/Foundation/include/Poco/Version.h
+++ b/Foundation/include/Poco/Version.h
@@ -54,7 +54,7 @@
 //      Ax are alpha releases
 //      Bx are beta releases
 //
-#define POCO_VERSION 0x01050000
+#define POCO_VERSION 0x010501D0
 
 
 #endif // Foundation_Version_INCLUDED
diff --git a/VERSION b/VERSION
index 3e1ad720b..8e03717dc 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.5.0
\ No newline at end of file
+1.5.1
\ No newline at end of file
diff --git a/libversion b/libversion
index 209e3ef4b..aabe6ec39 100644
--- a/libversion
+++ b/libversion
@@ -1 +1 @@
-20
+21