diff --git a/tools/sdk/lib/liblwip2-1460-feat.a b/tools/sdk/lib/liblwip2-1460-feat.a
index a0eedede39..85d1177cdd 100644
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diff --git a/tools/sdk/lib/liblwip2-1460.a b/tools/sdk/lib/liblwip2-1460.a
index 61b8f7854b..0da903dcba 100644
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diff --git a/tools/sdk/lib/liblwip2-536-feat.a b/tools/sdk/lib/liblwip2-536-feat.a
index ec2fd58ff7..c21c8a1507 100644
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diff --git a/tools/sdk/lib/liblwip2-536.a b/tools/sdk/lib/liblwip2-536.a
index 801e6dabc1..455dd87178 100644
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diff --git a/tools/sdk/lib/liblwip6-1460-feat.a b/tools/sdk/lib/liblwip6-1460-feat.a
index 70e5a8ae1f..a20391c91d 100644
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diff --git a/tools/sdk/lib/liblwip6-536-feat.a b/tools/sdk/lib/liblwip6-536-feat.a
index 6f89478598..041869cf7c 100644
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diff --git a/tools/sdk/lwip2/builder b/tools/sdk/lwip2/builder
index 8e3c4eec00..e4051dea44 160000
--- a/tools/sdk/lwip2/builder
+++ b/tools/sdk/lwip2/builder
@@ -1 +1 @@
-Subproject commit 8e3c4eec00ec7f3962705ee095a310642953b5fb
+Subproject commit e4051dea44249d3d3b76e7772a3cf99d741b4506
diff --git a/tools/sdk/lwip2/include/lwip-git-hash.h b/tools/sdk/lwip2/include/lwip-git-hash.h
index ee87f08b02..ab2f61ba79 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:1.2-67-g8e3c4ee"
+#define LWIP_HASH_STR "STABLE-2_1_3_RELEASE/glue:1.2-68-ge4051de"
 #endif // LWIP_HASH_H