diff --git a/mdal/mdal.cpp b/mdal/mdal.cpp
index 149852e1..d92fcd25 100644
--- a/mdal/mdal.cpp
+++ b/mdal/mdal.cpp
@@ -21,7 +21,7 @@ static const char *EMPTY_STR = "";
 
 const char *MDAL_Version()
 {
-  return "0.8.90";
+  return "0.8.91";
 }
 
 MDAL_Status MDAL_LastStatus()