diff --git a/go.mod b/go.mod
index 48ba172..4f7e809 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@
 	github.com/google/go-cmp v0.6.0
 	github.com/hashicorp/go-version v1.6.0
 	github.com/hashicorp/hc-install v0.6.2
-	github.com/hashicorp/terraform-json v0.20.0
+	github.com/hashicorp/terraform-json v0.21.0
 	github.com/zclconf/go-cty v1.14.1
 	github.com/zclconf/go-cty-debug v0.0.0-20191215020915-b22d67c1ba0b
 )
diff --git a/go.sum b/go.sum
index f160c6d..5a084a5 100644
--- a/go.sum
+++ b/go.sum
@@ -41,8 +41,8 @@
 github.com/hashicorp/go-version v1.6.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA=
 github.com/hashicorp/hc-install v0.6.2 h1:V1k+Vraqz4olgZ9UzKiAcbman9i9scg9GgSt/U3mw/M=
 github.com/hashicorp/hc-install v0.6.2/go.mod h1:2JBpd+NCFKiHiu/yYCGaPyPHhZLxXTpz8oreHa/a3Ps=
-github.com/hashicorp/terraform-json v0.20.0 h1:cJcvn4gIOTi0SD7pIy+xiofV1zFA3hza+6K+fo52IX8=
-github.com/hashicorp/terraform-json v0.20.0/go.mod h1:qdeBs11ovMzo5puhrRibdD6d2Dq6TyE/28JiU4tIQxk=
+github.com/hashicorp/terraform-json v0.21.0 h1:9NQxbLNqPbEMze+S6+YluEdXgJmhQykRyRNd+zTI05U=
+github.com/hashicorp/terraform-json v0.21.0/go.mod h1:qdeBs11ovMzo5puhrRibdD6d2Dq6TyE/28JiU4tIQxk=
 github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 h1:BQSFePA1RWJOlocH6Fxy8MmwDt+yVQYULKfN0RoTN8A=
 github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99/go.mod h1:1lJo3i6rXxKeerYnT8Nvf0QmHCRC1n8sfWVwXF2Frvo=
 github.com/kevinburke/ssh_config v1.2.0 h1:x584FjTGwHzMwvHx18PXxbBVzfnxogHaAReU4gf13a4=