diff --git a/Gopkg.lock b/Gopkg.lock
index d04e2f3..d0f1fbe 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -1,155 +1,6 @@
 # This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
 
 
-[[projects]]
-  branch = "2.x"
-  digest = "1:5fb9305900d6f7c94d6f663880185504bb0ac9b149d02f73966a31ed04000ebb"
-  name = "github.com/Masterminds/semver"
-  packages = ["."]
-  pruneopts = "UT"
-  revision = "3c92f33da7a84de8314f3ff82e5f919b89fd1492"
-
-[[projects]]
-  digest = "1:f154754548cdef8790ec20f3e4485e3feb7c7ed5891f52d6e98f3a3d2584a50a"
-  name = "github.com/Masterminds/vcs"
-  packages = ["."]
-  pruneopts = "UT"
-  revision = "f94282d8632a0620f79f0c6ff0e82604e8c5c85b"
-  version = "v1.13.1"
-
-[[projects]]
-  digest = "1:c47f4964978e211c6e566596ec6246c329912ea92e9bb99c00798bb4564c5b09"
-  name = "github.com/armon/go-radix"
-  packages = ["."]
-  pruneopts = "UT"
-  revision = "1a2de0c21c94309923825da3df33a4381872c795"
-  version = "v1.0.0"
-
-[[projects]]
-  digest = "1:0f98f59e9a2f4070d66f0c9c39561f68fcd1dc837b22a852d28d0003aebd1b1e"
-  name = "github.com/boltdb/bolt"
-  packages = ["."]
-  pruneopts = "UT"
-  revision = "2f1ce7a837dcb8da3ec595b1dac9d0632f0f99e8"
-  version = "v1.3.1"
-
-[[projects]]
-  digest = "1:fc4384b1370f5ac26dab9b6ea47978687dd3ae8979c7863ef1f1e04bfb48ca6f"
-  name = "github.com/golang/dep"
-  packages = [
-    ".",
-    "gps",
-    "gps/internal/pb",
-    "gps/paths",
-    "gps/pkgtree",
-    "gps/verify",
-    "internal/feedback",
-    "internal/fs",
-    "internal/importers",
-    "internal/importers/base",
-    "internal/importers/glide",
-    "internal/importers/glock",
-    "internal/importers/godep",
-    "internal/importers/govend",
-    "internal/importers/govendor",
-    "internal/importers/gvt",
-    "internal/importers/importertest",
-    "internal/importers/vndr",
-    "internal/test",
-    "internal/test/integration",
-  ]
-  pruneopts = "UT"
-  revision = "1f7c19e5f52f49ffb9f956f64c010be14683468b"
-  version = "v0.5.4"
-
-[[projects]]
-  digest = "1:573ca21d3669500ff845bdebee890eb7fc7f0f50c59f2132f2a0c6b03d85086a"
-  name = "github.com/golang/protobuf"
-  packages = ["proto"]
-  pruneopts = "UT"
-  revision = "6c65a5562fc06764971b7c5d05c76c75e84bdbf7"
-  version = "v1.3.2"
-
-[[projects]]
-  digest = "1:dcb3e2ad17349c0cc89ffc16692d05195e6a67b4924fe81760fba9a307a7271d"
-  name = "github.com/jmank88/nuts"
-  packages = ["."]
-  pruneopts = "UT"
-  revision = "8b28145dffc87104e66d074f62ea8080edfad7c8"
-  version = "v0.3.0"
-
-[[projects]]
-  digest = "1:ca955a9cd5b50b0f43d2cc3aeb35c951473eeca41b34eb67507f1dbcc0542394"
-  name = "github.com/kr/pretty"
-  packages = ["."]
-  pruneopts = "UT"
-  revision = "73f6ac0b30a98e433b289500d779f50c1a6f0712"
-  version = "v0.1.0"
-
-[[projects]]
-  digest = "1:15b5cc79aad436d47019f814fde81a10221c740dc8ddf769221a65097fb6c2e9"
-  name = "github.com/kr/text"
-  packages = ["."]
-  pruneopts = "UT"
-  revision = "e2ffdb16a802fe2bb95e2e35ff34f0e53aeef34f"
-  version = "v0.1.0"
-
-[[projects]]
-  branch = "master"
-  digest = "1:6491080aa184f88c2bb8e2f6056e5e0e9a578b2d8666efbd6e97bc37a0c41e72"
-  name = "github.com/nightlyone/lockfile"
-  packages = ["."]
-  pruneopts = "UT"
-  revision = "0ad87eef1443f64d3d8c50da647e2b1552851124"
-
-[[projects]]
-  digest = "1:93131d8002d7025da13582877c32d1fc302486775a1b06f62241741006428c5e"
-  name = "github.com/pelletier/go-toml"
-  packages = ["."]
-  pruneopts = "UT"
-  revision = "728039f679cbcd4f6a54e080d2219a4c4928c546"
-  version = "v1.4.0"
-
-[[projects]]
-  digest = "1:cf31692c14422fa27c83a05292eb5cbe0fb2775972e8f1f8446a71549bd8980b"
-  name = "github.com/pkg/errors"
-  packages = ["."]
-  pruneopts = "UT"
-  revision = "ba968bfe8b2f7e042a574c888954fccecfa385b4"
-  version = "v0.8.1"
-
-[[projects]]
-  branch = "master"
-  digest = "1:3b2f0fcb35e10e0f7845f2182e4dd22f5a6fe3db5d1044ca815d646992a2444f"
-  name = "github.com/sdboyer/constext"
-  packages = ["."]
-  pruneopts = "UT"
-  revision = "836a144573533ea4da4e6929c235fd348aed1c80"
-
-[[projects]]
-  branch = "master"
-  digest = "1:b521f10a2d8fa85c04a8ef4e62f2d1e14d303599a55d64dabf9f5a02f84d35eb"
-  name = "golang.org/x/sync"
-  packages = ["errgroup"]
-  pruneopts = "UT"
-  revision = "112230192c580c3556b8cee6403af37a4fc5f28c"
-
-[[projects]]
-  branch = "master"
-  digest = "1:5632b0c4d972da51b5914f09fc5c1a8535e9d8d5d937e95ef83c423a0dd67f13"
-  name = "golang.org/x/sys"
-  packages = ["unix"]
-  pruneopts = "UT"
-  revision = "fae7ac547cb717d141c433a2a173315e216b64c4"
-
-[[projects]]
-  branch = "v1"
-  digest = "1:af715ae33cc1f5695c4b2a4e4b21d008add8802a99e15bb467ac7c32edb5000d"
-  name = "gopkg.in/check.v1"
-  packages = ["."]
-  pruneopts = "UT"
-  revision = "788fd78401277ebd861206a03c884797c6ec5541"
-
 [[projects]]
   digest = "1:4d2e5a73dc1500038e504a8d78b986630e3626dc027bc030ba5c75da257cdb96"
   name = "gopkg.in/yaml.v2"
@@ -161,39 +12,6 @@
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
-  input-imports = [
-    "github.com/Masterminds/semver",
-    "github.com/Masterminds/vcs",
-    "github.com/armon/go-radix",
-    "github.com/boltdb/bolt",
-    "github.com/golang/dep",
-    "github.com/golang/dep/gps",
-    "github.com/golang/dep/gps/internal/pb",
-    "github.com/golang/dep/gps/paths",
-    "github.com/golang/dep/gps/pkgtree",
-    "github.com/golang/dep/internal/feedback",
-    "github.com/golang/dep/internal/fs",
-    "github.com/golang/dep/internal/importers",
-    "github.com/golang/dep/internal/importers/base",
-    "github.com/golang/dep/internal/importers/glide",
-    "github.com/golang/dep/internal/importers/glock",
-    "github.com/golang/dep/internal/importers/godep",
-    "github.com/golang/dep/internal/importers/govend",
-    "github.com/golang/dep/internal/importers/govendor",
-    "github.com/golang/dep/internal/importers/gvt",
-    "github.com/golang/dep/internal/importers/importertest",
-    "github.com/golang/dep/internal/importers/vndr",
-    "github.com/golang/dep/internal/test",
-    "github.com/golang/dep/internal/test/integration",
-    "github.com/golang/protobuf/proto",
-    "github.com/jmank88/nuts",
-    "github.com/nightlyone/lockfile",
-    "github.com/pelletier/go-toml",
-    "github.com/pkg/errors",
-    "github.com/sdboyer/constext",
-    "golang.org/x/sync/errgroup",
-    "gopkg.in/check.v1",
-    "gopkg.in/yaml.v2",
-  ]
+  input-imports = ["gopkg.in/yaml.v2"]
   solver-name = "gps-cdcl"
   solver-version = 1