diff --git a/tools/sdk/lib/liblwip2-1460-feat.a b/tools/sdk/lib/liblwip2-1460-feat.a
index e22ff31ad7..2475445b23 100644
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diff --git a/tools/sdk/lib/liblwip2-1460.a b/tools/sdk/lib/liblwip2-1460.a
index 3eed8274b1..226c2feeb8 100644
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diff --git a/tools/sdk/lib/liblwip2-536-feat.a b/tools/sdk/lib/liblwip2-536-feat.a
index 33fcdb32c5..a86e49260c 100644
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diff --git a/tools/sdk/lib/liblwip2-536.a b/tools/sdk/lib/liblwip2-536.a
index 41904c209a..ebbb77d29e 100644
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diff --git a/tools/sdk/lib/liblwip6-1460-feat.a b/tools/sdk/lib/liblwip6-1460-feat.a
index 9c17f87448..a404cbbbb1 100644
Binary files a/tools/sdk/lib/liblwip6-1460-feat.a and b/tools/sdk/lib/liblwip6-1460-feat.a differ
diff --git a/tools/sdk/lib/liblwip6-536-feat.a b/tools/sdk/lib/liblwip6-536-feat.a
index 6a5ebbf2e4..eff2b23d33 100644
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diff --git a/tools/sdk/lwip2/builder b/tools/sdk/lwip2/builder
index 4087efd9d2..1da9066d5b 160000
--- a/tools/sdk/lwip2/builder
+++ b/tools/sdk/lwip2/builder
@@ -1 +1 @@
-Subproject commit 4087efd9d2a8e1cee9a159e0796d831dc1e0c497
+Subproject commit 1da9066d5bee6a80d6040ca8ff6431e1a0a6e3e7
diff --git a/tools/sdk/lwip2/include/lwip-git-hash.h b/tools/sdk/lwip2/include/lwip-git-hash.h
index c8a92967ba..9c1002bcda 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_3_RELEASE/glue:1.2-70-g4087efd"
+#define LWIP_HASH_STR "STABLE-2_1_3_RELEASE/glue:1.2-71-g1da9066"
 #endif // LWIP_HASH_H