diff --git a/Makefile b/Makefile
index 33887b49b..14598cbdc 100644
--- a/Makefile
+++ b/Makefile
@@ -117,10 +117,19 @@ deps: $(NIM_BINARY) $(NIMBLE_DIR) nimbus.nims
 nat-libs: | libminiupnpc.a libnatpmp.a
 
 libminiupnpc.a: | deps
+ifeq ($(OS), Windows_NT)
+	+ [ -e vendor/nim-nat-traversal/vendor/miniupnp/miniupnpc/$@ ] || \
+		$(MAKE) -C vendor/nim-nat-traversal/vendor/miniupnp/miniupnpc -f Makefile.mingw CC=gcc init $@ $(HANDLE_OUTPUT)
+else
 	+ $(MAKE) -C vendor/nim-nat-traversal/vendor/miniupnp/miniupnpc $@ $(HANDLE_OUTPUT)
+endif
 
 libnatpmp.a: | deps
+ifeq ($(OS), Windows_NT)
+	+ $(MAKE) -C vendor/nim-nat-traversal/vendor/libnatpmp CC=gcc CFLAGS="-Wall -Os -DWIN32 -DNATPMP_STATICLIB -DENABLE_STRNATPMPERR" $@ $(HANDLE_OUTPUT)
+else
 	+ $(MAKE) -C vendor/nim-nat-traversal/vendor/libnatpmp $@ $(HANDLE_OUTPUT)
+endif
 
 #- depends on Git submodules being initialised
 #- fakes a Nimble package repository with the minimum info needed by the Nim compiler
diff --git a/vendor/nim-nat-traversal b/vendor/nim-nat-traversal
index 0bcb394f5..527932371 160000
--- a/vendor/nim-nat-traversal
+++ b/vendor/nim-nat-traversal
@@ -1 +1 @@
-Subproject commit 0bcb394f5787bde62e3c275e185498e2de20d637
+Subproject commit 527932371f5e4866a1fa7b86c9ac33dcef3f228c