diff --git a/deps/CMakeLists.txt b/deps/CMakeLists.txt
index 6ad69d4a..a5405731 100644
--- a/deps/CMakeLists.txt
+++ b/deps/CMakeLists.txt
@@ -24,3 +24,9 @@ FetchContent_Declare(lwip
         SOURCE_SUBDIR dont/load/lwip/cmakelists
         )
 FetchContent_MakeAvailable(lwip)
+
+FetchContent_Declare(lwip-contrib
+        GIT_REPOSITORY https://github.com/netfoundry/lwip-contrib.git
+        GIT_TAG STABLE-2_1_0_RELEASE
+)
+FetchContent_MakeAvailable(lwip-contrib)
\ No newline at end of file
diff --git a/lib/ziti-tunnel/CMakeLists.txt b/lib/ziti-tunnel/CMakeLists.txt
index 925424e8..c6d79e67 100644
--- a/lib/ziti-tunnel/CMakeLists.txt
+++ b/lib/ziti-tunnel/CMakeLists.txt
@@ -13,7 +13,8 @@ target_compile_definitions(ziti-tunnel-sdk-c
 
 FetchContent_GetProperties(lwip)
 set (LWIP_DIR "${lwip_SOURCE_DIR}")
-set (LWIP_CONTRIB_DIR "${lwip_SOURCE_DIR}/contrib")
+FetchContent_GetProperties(lwip-contrib)
+set (LWIP_CONTRIB_DIR "${lwip-contrib_SOURCE_DIR}")
 
 if(WIN32)
     set(LWIP_CONTRIB_INCLUDE "${LWIP_CONTRIB_DIR}/ports/win32/include")