diff --git a/src/app/versions.h b/src/app/versions.h
index c69a3f8..fe67fb9 100644
--- a/src/app/versions.h
+++ b/src/app/versions.h
@@ -16,5 +16,6 @@
 #define SOFT_VERSION "1.2.0" //Added new PowerManager class
 #define SOFT_VERSION "1.2.1" //Corrected a bug in the TaskSchedulerManager class
 #define SOFT_VERSION "1.3.0" //Implemented multi-client non blocking webserver
+#define SOFT_VERSION "1.3.1" //Fixed sdCardUnmount api call
 
 #endif //VERSIONS_H