diff --git a/volk.h b/volk.h
index 0396742..88bacb4 100644
--- a/volk.h
+++ b/volk.h
@@ -14,7 +14,7 @@
 #endif
 
 /* VOLK_GENERATE_VERSION */
-#define VOLK_HEADER_VERSION 88
+#define VOLK_HEADER_VERSION 90
 /* VOLK_GENERATE_VERSION */
 
 #ifndef VK_NO_PROTOTYPES