diff --git a/Gopkg.lock b/Gopkg.lock
index a09e856..c51994e 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -3,13 +3,15 @@
 
 [[projects]]
   branch = "master"
+  digest = "1:34534b73e925d20cc72cf202f8b482fdcbe3a1b113e19375f31aadabd0f0f97d"
   name = "github.com/nfnt/resize"
   packages = ["."]
-  revision = "891127d8d1b52734debe1b3c3d7e747502b6c366"
+  pruneopts = "UT"
+  revision = "83c6a9932646f83e3267f353373d47347b6036b2"
 
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
-  inputs-digest = "5726c315ea88a21cdd12e3a0963b997eea3baeda3a2d70472cab1a06db39dd70"
+  input-imports = ["github.com/nfnt/resize"]
   solver-name = "gps-cdcl"
   solver-version = 1
diff --git a/Gopkg.toml b/Gopkg.toml
index b2efe00..7d0d6d5 100644
--- a/Gopkg.toml
+++ b/Gopkg.toml
@@ -1,7 +1,6 @@
-
 # Gopkg.toml example
 #
-# Refer to https://github.com/golang/dep/blob/master/docs/Gopkg.toml.md
+# Refer to https://golang.github.io/dep/docs/Gopkg.toml.html
 # for detailed Gopkg.toml documentation.
 #
 # required = ["github.com/user/thing/cmd/thing"]
@@ -17,10 +16,19 @@
 #   source = "github.com/myfork/project2"
 #
 # [[override]]
-#  name = "github.com/x/y"
-#  version = "2.4.0"
+#   name = "github.com/x/y"
+#   version = "2.4.0"
+#
+# [prune]
+#   non-go = false
+#   go-tests = true
+#   unused-packages = true
 
 
 [[constraint]]
   branch = "master"
   name = "github.com/nfnt/resize"
+
+[prune]
+  go-tests = true
+  unused-packages = true
diff --git a/go.mod b/go.mod
index c3cd956..681fdc2 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,3 @@
 module github.com/corona10/goimagehash
 
-require github.com/nfnt/resize v0.0.0-20160724205520-891127d8d1b5
+require github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646
diff --git a/go.sum b/go.sum
index d26a4f5..96adbed 100644
--- a/go.sum
+++ b/go.sum
@@ -1,2 +1,2 @@
-github.com/nfnt/resize v0.0.0-20160724205520-891127d8d1b5 h1:BvoENQQU+fZ9uukda/RzCAL/191HHwJA5b13R6diVlY=
-github.com/nfnt/resize v0.0.0-20160724205520-891127d8d1b5/go.mod h1:jpp1/29i3P1S/RLdc7JQKbRpFeM1dOBd8T9ki5s+AY8=
+github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 h1:zYyBkD/k9seD2A7fsi6Oo2LfFZAehjjQMERAvZLEDnQ=
+github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646/go.mod h1:jpp1/29i3P1S/RLdc7JQKbRpFeM1dOBd8T9ki5s+AY8=