diff --git a/src/libnnp/version.h b/src/libnnp/version.h
index 77ccc2ac2..31bbeabbd 100644
--- a/src/libnnp/version.h
+++ b/src/libnnp/version.h
@@ -17,7 +17,7 @@
 #ifndef VERSION_H
 #define VERSION_H
 
-#define N2P2_VERSION "v2.1.4"
+#define N2P2_VERSION "v2.2.0"
 #define N2P2_GIT_VERSION ""
 #define N2P2_GIT_REV ""
 #define N2P2_GIT_BRANCH ""