diff --git a/meson.build b/meson.build
index cb78334..58f7635 100644
--- a/meson.build
+++ b/meson.build
@@ -24,7 +24,7 @@
 project(
 'new-session-manager',
 'c', 'cpp',
-version : '1.5.1',
+version : '1.5.3',
 license : 'GPLv3',
 )
 
diff --git a/src/nsmd.cpp b/src/nsmd.cpp
index 7846518..02c6508 100644
--- a/src/nsmd.cpp
+++ b/src/nsmd.cpp
@@ -68,7 +68,7 @@ static char *session_root;
 #define NSM_API_VERSION_MAJOR 1
 #define NSM_API_VERSION_MINOR 1
 #define NSM_API_VERSION_PATCH 1
-#define VERSION_STRING "1.5.1"
+#define VERSION_STRING "1.5.3"
 
 #define ERR_OK 0
 #define ERR_GENERAL_ERROR    -1