diff --git a/src/include/lwip/init.h b/src/include/lwip/init.h
index 70351b8..c63ea39 100644
--- a/src/include/lwip/init.h
+++ b/src/include/lwip/init.h
@@ -47,7 +47,7 @@
 /** For release candidates, this is set to 1..254
   * For official releases, this is set to 255 (LWIP_RC_RELEASE)
   * For development versions (Git), this is set to 0 (LWIP_RC_DEVELOPMENT) */
-#define LWIP_VERSION_RC         0U
+#define LWIP_VERSION_RC         1U
 
 /** LWIP_VERSION_RC is set to LWIP_RC_RELEASE for official releases */
 #define LWIP_RC_RELEASE         255U