diff --git a/go.mod b/go.mod
index 6ba5d3835..b9ae57158 100644
--- a/go.mod
+++ b/go.mod
@@ -118,7 +118,7 @@ require (
 	github.com/xanzy/ssh-agent v0.2.1
 	github.com/xiang90/probing v0.0.0-20160813154853-07dd2e8dfe18 // indirect
 	github.com/xlab/treeprint v0.0.0-20161029104018-1d6e34225557
-	github.com/zclconf/go-cty v1.6.2-0.20201013200640-e5225636c8c2
+	github.com/zclconf/go-cty v1.7.0
 	github.com/zclconf/go-cty-yaml v1.0.2
 	go.uber.org/atomic v1.3.2 // indirect
 	go.uber.org/multierr v1.1.0 // indirect
diff --git a/go.sum b/go.sum
index 1f5f97e8e..a81ba11bf 100644
--- a/go.sum
+++ b/go.sum
@@ -496,8 +496,8 @@ github.com/xlab/treeprint v0.0.0-20161029104018-1d6e34225557/go.mod h1:ce1O1j6Ut
 github.com/zclconf/go-cty v1.0.0/go.mod h1:xnAOWiHeOqg2nWS62VtQ7pbOu17FtxJNW8RLEih+O3s=
 github.com/zclconf/go-cty v1.1.0/go.mod h1:xnAOWiHeOqg2nWS62VtQ7pbOu17FtxJNW8RLEih+O3s=
 github.com/zclconf/go-cty v1.2.0/go.mod h1:hOPWgoHbaTUnI5k4D2ld+GRpFJSCe6bCM7m1q/N4PQ8=
-github.com/zclconf/go-cty v1.6.2-0.20201013200640-e5225636c8c2 h1:17Cl7LwqZt2t95i3qzcMlOWH8LfzMqaJDjjRV9N/ae4=
-github.com/zclconf/go-cty v1.6.2-0.20201013200640-e5225636c8c2/go.mod h1:VDR4+I79ubFBGm1uJac1226K5yANQFHeauxPBoP54+o=
+github.com/zclconf/go-cty v1.7.0 h1:yMqLinUwNCYkmiHjEH+luio1yGl35cjqVzjvdRg2WlY=
+github.com/zclconf/go-cty v1.7.0/go.mod h1:VDR4+I79ubFBGm1uJac1226K5yANQFHeauxPBoP54+o=
 github.com/zclconf/go-cty-yaml v1.0.2 h1:dNyg4QLTrv2IfJpm7Wtxi55ed5gLGOlPrZ6kMd51hY0=
 github.com/zclconf/go-cty-yaml v1.0.2/go.mod h1:IP3Ylp0wQpYm50IHK8OZWKMu6sPJIUgKa8XhiVHura0=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=