diff --git a/Gopkg.lock b/Gopkg.lock
index e94d7f4..5e4ef19 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -3,11 +3,14 @@
 
 [[projects]]
   branch = "master"
-  digest = "1:f3379d6e618c0e7d0a0a260034f43b97fb02e8980f13288a9fb183397d2de171"
+  digest = "1:2d32e21172e5109456d0b8b991f3d9de5c097f516f6071e56c02756eb2a2c111"
   name = "golang.org/x/sys"
-  packages = ["windows"]
+  packages = [
+    "internal/unsafeheader",
+    "windows",
+  ]
   pruneopts = ""
-  revision = "34d275377bf96a094e8d5b0c61750ddd54cd6b36"
+  revision = "0f9fa26af87c481a6877a4ca1330699ba9a30673"
 
 [solve-meta]
   analyzer-name = "dep"