diff --git a/tools/sdk/lib/liblwip2-1460-feat.a b/tools/sdk/lib/liblwip2-1460-feat.a
index 862359253..0dcaa9006 100644
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diff --git a/tools/sdk/lib/liblwip2-1460.a b/tools/sdk/lib/liblwip2-1460.a
index b36468446..ab3e6c04d 100644
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diff --git a/tools/sdk/lib/liblwip2-536-feat.a b/tools/sdk/lib/liblwip2-536-feat.a
index 43beee522..9b91265e9 100644
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diff --git a/tools/sdk/lib/liblwip2-536.a b/tools/sdk/lib/liblwip2-536.a
index aeb3d5c0d..9d822c347 100644
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diff --git a/tools/sdk/lib/liblwip6-1460-feat.a b/tools/sdk/lib/liblwip6-1460-feat.a
index e58ef8676..a6c8d786a 100644
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diff --git a/tools/sdk/lib/liblwip6-536-feat.a b/tools/sdk/lib/liblwip6-536-feat.a
index 98376c6f4..8c75a77ba 100644
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diff --git a/tools/sdk/lwip2/builder b/tools/sdk/lwip2/builder
index d2f388bf0..a501b5722 160000
--- a/tools/sdk/lwip2/builder
+++ b/tools/sdk/lwip2/builder
@@ -1 +1 @@
-Subproject commit d2f388bf070aab74cb4d81d52419a7dc2d36fb81
+Subproject commit a501b5722bd050f41a9351e69ca75937150ec138
diff --git a/tools/sdk/lwip2/include/lwip-git-hash.h b/tools/sdk/lwip2/include/lwip-git-hash.h
index d27d89577..0aaae6f63 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_1_2_RELEASE/glue:1.1"
+#define LWIP_HASH_STR "STABLE-2_1_2_RELEASE/glue:1.1-2-ga501b57"
 #endif // LWIP_HASH_H