diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..48b8bf9
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+vendor/
diff --git a/Gopkg.lock b/Gopkg.lock
index a8950bb..03dd038 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -2,16 +2,21 @@
 
 
 [[projects]]
+  digest = "1:b4bc4f5d64ac265334eb14d6da250755107eb6aba9cc46371bfa6eb98b559af7"
   name = "github.com/golang/protobuf"
   packages = [
     "proto",
-    "protoc-gen-go/descriptor"
+    "protoc-gen-go/descriptor",
   ]
+  pruneopts = "UT"
   revision = "7a211bcf3bce0e3f1d74f9894916e6f116ae83b4"
 
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
-  inputs-digest = "8f31c31f508dadef29ef94271f5309641fafa8211eaee1536874c40f4b24eae0"
+  input-imports = [
+    "github.com/golang/protobuf/proto",
+    "github.com/golang/protobuf/protoc-gen-go/descriptor",
+  ]
   solver-name = "gps-cdcl"
   solver-version = 1