diff --git a/mongoose.h b/mongoose.h
index c53aa798..0f17fae8 100644
--- a/mongoose.h
+++ b/mongoose.h
@@ -20,7 +20,7 @@
 #ifndef MONGOOSE_H
 #define MONGOOSE_H
 
-#define MG_VERSION "7.20"
+#define MG_VERSION "7.21"
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/src/version.h b/src/version.h
index d0eee32a..c760959c 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define MG_VERSION "7.20"
+#define MG_VERSION "7.21"