diff --git a/go.mod b/go.mod
index 456ad2540..797f561c9 100644
--- a/go.mod
+++ b/go.mod
@@ -44,7 +44,7 @@ require (
 	github.com/sergi/go-diff v1.0.0 // indirect
 	github.com/shurcooL/sanitized_anchor_name v0.0.0-20170918181015-86672fcb3f95 // indirect
 	github.com/spf13/afero v1.1.2
-	github.com/spf13/cast v1.2.0
+	github.com/spf13/cast v1.3.0
 	github.com/spf13/cobra v0.0.3
 	github.com/spf13/fsync v0.0.0-20170320142552-12a01e648f05
 	github.com/spf13/jwalterweatherman v1.0.1-0.20181005085228-103a6da826d0
diff --git a/go.sum b/go.sum
index 7ec692a60..09a90fb49 100644
--- a/go.sum
+++ b/go.sum
@@ -103,6 +103,8 @@ github.com/spf13/afero v1.1.2 h1:m8/z1t7/fwjysjQRYbP0RD+bUIF/8tJwPdEZsI83ACI=
 github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
 github.com/spf13/cast v1.2.0 h1:HHl1DSRbEQN2i8tJmtS6ViPyHx35+p51amrdsiTCrkg=
 github.com/spf13/cast v1.2.0/go.mod h1:r2rcYCSwa1IExKTDiTfzaxqT2FNHs8hODu4LnUfgKEg=
+github.com/spf13/cast v1.3.0 h1:oget//CVOEoFewqQxwr0Ej5yjygnqGkvggSE/gB35Q8=
+github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
 github.com/spf13/cobra v0.0.3 h1:ZlrZ4XsMRm04Fr5pSFxBgfND2EBVa1nLpiy1stUsX/8=
 github.com/spf13/cobra v0.0.3/go.mod h1:1l0Ry5zgKvJasoi3XT1TypsSe7PqH0Sj9dhYf7v3XqQ=
 github.com/spf13/fsync v0.0.0-20170320142552-12a01e648f05 h1:pQHm7pxjSgC54M1rtLSLmju25phy6RgYf3p4O6XanYE=