diff --git a/installer/installer.iss b/installer/installer.iss
index ec4c39cb..70fe6d87 100644
--- a/installer/installer.iss
+++ b/installer/installer.iss
@@ -2,7 +2,7 @@
 ; SEE THE DOCUMENTATION FOR DETAILS ON CREATING INNO SETUP SCRIPT FILES!
 
 #define MyAppName "obs-websocket"
-#define MyAppVersion "0.4.0"
+#define MyAppVersion "4.0.0"
 #define MyAppPublisher "Stéphane Lepin"
 #define MyAppURL "http://github.com/Palakis/obs-websocket"
 
diff --git a/obs-websocket.h b/obs-websocket.h
index 492ec53b..2001ec5c 100644
--- a/obs-websocket.h
+++ b/obs-websocket.h
@@ -20,6 +20,6 @@ with this program. If not, see <https://www.gnu.org/licenses/>
 #define OBSWEBSOCKET_H
 
 #define PROP_AUTHENTICATED "wsclient_authenticated"
-#define OBS_WEBSOCKET_VERSION "0.4.0"
+#define OBS_WEBSOCKET_VERSION "4.0.0"
 
 #endif // OBSWEBSOCKET_H
\ No newline at end of file