diff --git a/include/bgfx/defines.h b/include/bgfx/defines.h
index 989d56d09..c5c92ce1e 100644
--- a/include/bgfx/defines.h
+++ b/include/bgfx/defines.h
@@ -6,7 +6,7 @@
 #ifndef BGFX_DEFINES_H_HEADER_GUARD
 #define BGFX_DEFINES_H_HEADER_GUARD
 
-#define BGFX_API_VERSION UINT32_C(50)
+#define BGFX_API_VERSION UINT32_C(51)
 
 /// Color RGB/alpha/depth write. When it's not specified write will be disabled.
 #define BGFX_STATE_RGB_WRITE               UINT64_C(0x0000000000000001) //!< Enable RGB write.