diff --git a/src/include/lwip/init.h b/src/include/lwip/init.h
index 917fa780..d4af04d3 100644
--- a/src/include/lwip/init.h
+++ b/src/include/lwip/init.h
@@ -43,11 +43,11 @@ extern "C" {
 /** x.X.x: Minor version of the stack */
 #define LWIP_VERSION_MINOR      3U
 /** x.x.X: Revision of the stack */
-#define LWIP_VERSION_REVISION   2U
+#define LWIP_VERSION_REVISION   1U
 /** For release candidates, this is set to 1..255
   * For official releases, this is set to 255 (LWIP_RC_RELEASE)
   * For development versions (CVS), 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