diff --git a/src/emsesp_version.h b/src/emsesp_version.h
index d234ddd9b..3fc4959ec 100644
--- a/src/emsesp_version.h
+++ b/src/emsesp_version.h
@@ -1 +1 @@
-#define EMSESP_APP_VERSION "3.7.3-dev.20"
+#define EMSESP_APP_VERSION "3.7.3-dev.21"