diff --git a/components/lwip/CMakeLists.txt b/components/lwip/CMakeLists.txt
index e2d35384eb..e669e939ea 100644
--- a/components/lwip/CMakeLists.txt
+++ b/components/lwip/CMakeLists.txt
@@ -43,7 +43,7 @@ set(srcs
     "lwip/src/core/ipv4/icmp.c"
     "lwip/src/core/ipv4/igmp.c"
     "lwip/src/core/ipv4/ip4.c"
-    #"lwip/src/core/ipv4/ip4_napt.c"
+    "lwip/src/core/ipv4/ip4_napt.c"
     "lwip/src/core/ipv4/ip4_addr.c"
     "lwip/src/core/ipv4/ip4_frag.c"
     "lwip/src/core/ipv6/dhcp6.c"
diff --git a/components/lwip/lwip b/components/lwip/lwip
index 6ca936f6b5..104e8fa4c8 160000
--- a/components/lwip/lwip
+++ b/components/lwip/lwip
@@ -1 +1 @@
-Subproject commit 6ca936f6b588cee702c638eee75c2436e6cf75de
+Subproject commit 104e8fa4c881a98eefa3776d2701a6b90b9aa63d