diff --git a/tools/sdk/lib/liblwip2.a b/tools/sdk/lib/liblwip2.a
index abdcd7d43..daea61263 100644
Binary files a/tools/sdk/lib/liblwip2.a and b/tools/sdk/lib/liblwip2.a differ
diff --git a/tools/sdk/lib/liblwip2_1460.a b/tools/sdk/lib/liblwip2_1460.a
index a2d8d0cf3..27493de76 100644
Binary files a/tools/sdk/lib/liblwip2_1460.a and b/tools/sdk/lib/liblwip2_1460.a differ
diff --git a/tools/sdk/lwip2/include/lwip-git-hash.h b/tools/sdk/lwip2/include/lwip-git-hash.h
index c4b8143ef..b17e3b888 100644
--- a/tools/sdk/lwip2/include/lwip-git-hash.h
+++ b/tools/sdk/lwip2/include/lwip-git-hash.h
@@ -1,5 +1,5 @@
 // generated by makefiles/make-lwip2-hash
 #ifndef LWIP_HASH_H
 #define LWIP_HASH_H
-#define LWIP_HASH_STR "STABLE-2_0_3_RELEASE/glue:arduino-2.4.0-7-g7c20da9"
+#define LWIP_HASH_STR "STABLE-2_0_3_RELEASE/glue:arduino-2.4.1-1-g5d2c1cb"
 #endif // LWIP_HASH_H