diff --git a/overviewer_core/src/overviewer.h b/overviewer_core/src/overviewer.h
index 7d29b11..e5e8757 100644
--- a/overviewer_core/src/overviewer.h
+++ b/overviewer_core/src/overviewer.h
@@ -31,7 +31,7 @@
 
 // increment this value if you've made a change to the c extension
 // and want to force users to rebuild
-#define OVERVIEWER_EXTENSION_VERSION 97
+#define OVERVIEWER_EXTENSION_VERSION 98
 
 #include <stdbool.h>
 #include <stdint.h>