diff --git a/CMakeLists.txt b/CMakeLists.txt
index c3f5cacb..6e6fce9f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.20)
 
 
 set(ZITI_SDK_DIR "" CACHE FILEPATH "developer option: use local ziti-sdk-c checkout")
-set(ZITI_SDK_VERSION "0.36.11" CACHE STRING "ziti-sdk-c version or branch to use")
+set(ZITI_SDK_VERSION "0.36.12" CACHE STRING "ziti-sdk-c version or branch to use")
 
 # if TUNNEL_SDK_ONLY then don't descend into programs/ziti-edge-tunnel
 option(TUNNEL_SDK_ONLY "build only ziti-tunnel-sdk (without ziti)" OFF)
diff --git a/lib/ziti-tunnel/ziti_tunnel.c b/lib/ziti-tunnel/ziti_tunnel.c
index d0963165..dcb02f9f 100644
--- a/lib/ziti-tunnel/ziti_tunnel.c
+++ b/lib/ziti-tunnel/ziti_tunnel.c
@@ -557,7 +557,7 @@ static void run_packet_loop(uv_loop_t *loop, tunneler_context tnlr_ctx) {
     }
 
     uv_timer_init(loop, &tnlr_ctx->lwip_timer_req);
-    uv_unref(&tnlr_ctx->lwip_timer_req);
+    uv_unref((uv_handle_t *) &tnlr_ctx->lwip_timer_req);
     uv_timer_start(&tnlr_ctx->lwip_timer_req, check_lwip_timeouts, 0, 10);
 }