diff --git a/include/uvwasi.h b/include/uvwasi.h
index 28d3856..b45f80b 100644
--- a/include/uvwasi.h
+++ b/include/uvwasi.h
@@ -10,7 +10,7 @@ extern "C" {
 
 #define UVWASI_VERSION_MAJOR 0
 #define UVWASI_VERSION_MINOR 0
-#define UVWASI_VERSION_PATCH 12
+#define UVWASI_VERSION_PATCH 13
 #define UVWASI_VERSION_HEX ((UVWASI_VERSION_MAJOR << 16) | \
                             (UVWASI_VERSION_MINOR <<  8) | \
                             (UVWASI_VERSION_PATCH))