diff --git a/go.mod b/go.mod
index 3f7b514fd..94ac9f688 100644
--- a/go.mod
+++ b/go.mod
@@ -13,7 +13,7 @@ require (
 	github.com/bep/go-tocss v0.6.0
 	github.com/chaseadamsio/goorgeous v1.1.0
 	github.com/cpuguy83/go-md2man v1.0.8 // indirect
-	github.com/disintegration/imaging v1.5.0
+	github.com/disintegration/imaging v1.6.0
 	github.com/eknkc/amber v0.0.0-20171010120322-cdade1c07385
 	github.com/fortytw2/leaktest v1.2.0
 	github.com/fsnotify/fsnotify v1.4.7
@@ -49,7 +49,7 @@ require (
 	github.com/stretchr/testify v1.3.0
 	github.com/tdewolff/minify/v2 v2.3.7
 	github.com/yosssi/ace v0.0.5
-	golang.org/x/image v0.0.0-20180708004352-c73c2afc3b81
+	golang.org/x/image v0.0.0-20190321063152-3fc05d484e9f
 	golang.org/x/net v0.0.0-20180906233101-161cd47e91fd // indirect
 	golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f
 	golang.org/x/sys v0.0.0-20190322080309-f49334f85ddc // indirect
diff --git a/go.sum b/go.sum
index 744d88f3c..81ecbdfec 100644
--- a/go.sum
+++ b/go.sum
@@ -38,8 +38,8 @@ github.com/danwakefield/fnmatch v0.0.0-20160403171240-cbb64ac3d964/go.mod h1:Xd9
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/disintegration/imaging v1.5.0 h1:uYqUhwNmLU4K1FN44vhqS4TZJRAA4RhBINgbQlKyGi0=
-github.com/disintegration/imaging v1.5.0/go.mod h1:9B/deIUIrliYkyMTuXJd6OUFLcrZ2tf+3Qlwnaf/CjU=
+github.com/disintegration/imaging v1.6.0 h1:nVPXRUUQ36Z7MNf0O77UzgnOb1mkMMor7lmJMJXc/mA=
+github.com/disintegration/imaging v1.6.0/go.mod h1:xuIt+sRxDFrHS0drzXUlCJthkJ8k7lkkUojDSR247MQ=
 github.com/dlclark/regexp2 v1.1.6 h1:CqB4MjHw0MFCDj+PHHjiESmHX+N7t0tJzKvC6M97BRg=
 github.com/dlclark/regexp2 v1.1.6/go.mod h1:2pZnwuY/m+8K6iRw6wQdMtk+rH5tNGR1i55kozfMjCc=
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
@@ -153,6 +153,8 @@ github.com/yosssi/ace v0.0.5/go.mod h1:ALfIzm2vT7t5ZE7uoIZqF3TQ7SAOyupFZnkrF5id+
 golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/image v0.0.0-20180708004352-c73c2afc3b81 h1:00VmoueYNlNz/aHIilyyQz/MHSqGoWJzpFv/HW8xpzI=
 golang.org/x/image v0.0.0-20180708004352-c73c2afc3b81/go.mod h1:ux5Hcp/YLpHSI86hEcLt0YII63i6oz57MZXIpbrjZUs=
+golang.org/x/image v0.0.0-20190321063152-3fc05d484e9f h1:FO4MZ3N56GnxbqxGKqh+YTzUWQ2sDwtFQEZgLOxh9Jc=
+golang.org/x/image v0.0.0-20190321063152-3fc05d484e9f/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd h1:nTDtHvHSdCn1m6ITfMRqtOd/9+7a3s8RBNOZ3eYZzJA=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f h1:wMNYb4v58l5UBM7MYRLPG6ZhfOqbKu7X5eyFl8ZhKvA=