diff --git a/go.mod b/go.mod
index e33e071..02494ac 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.16
 
 require (
 	github.com/denisenkom/go-mssqldb v0.11.0
-	github.com/go-rel/rel v0.25.1-0.20211011102656-a1b38f01d34a
-	github.com/go-rel/sql v0.1.1-0.20211011073646-a38034248e90
+	github.com/go-rel/rel v0.25.1-0.20211012061337-dfb3d0951876
+	github.com/go-rel/sql v0.1.1-0.20211012072023-36066d80a50a
 	github.com/stretchr/testify v1.7.0
 )
diff --git a/go.sum b/go.sum
index 8d66e85..51016db 100644
--- a/go.sum
+++ b/go.sum
@@ -6,11 +6,10 @@ github.com/denisenkom/go-mssqldb v0.11.0/go.mod h1:xbL0rPBG9cCiLr28tMa8zpbdarY27
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
 github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
-github.com/go-rel/rel v0.25.1-0.20211007095335-eec7ac68c920/go.mod h1:/VBLj1U4ZVb53aB3n22RQwX0V9DvckohseDJQibn2Rs=
-github.com/go-rel/rel v0.25.1-0.20211011102656-a1b38f01d34a h1:FAd8FrXgy+G/44OwXYOk3A0b4lhdoyKMgF9m3h6pTt4=
-github.com/go-rel/rel v0.25.1-0.20211011102656-a1b38f01d34a/go.mod h1:/VBLj1U4ZVb53aB3n22RQwX0V9DvckohseDJQibn2Rs=
-github.com/go-rel/sql v0.1.1-0.20211011073646-a38034248e90 h1:638QwWIymw8cizASdq594qlDM729vYEtJobdy8wv2Lo=
-github.com/go-rel/sql v0.1.1-0.20211011073646-a38034248e90/go.mod h1:ukXvTr/zbEZLu+lJCXcKpMg1Vp7Ps9cfKD+Us4kJREo=
+github.com/go-rel/rel v0.25.1-0.20211012061337-dfb3d0951876 h1:NAVlxoe5yAmCXKqgwBW2eUuc44zqJaY42v7ldSqxzf8=
+github.com/go-rel/rel v0.25.1-0.20211012061337-dfb3d0951876/go.mod h1:/VBLj1U4ZVb53aB3n22RQwX0V9DvckohseDJQibn2Rs=
+github.com/go-rel/sql v0.1.1-0.20211012072023-36066d80a50a h1:hyaIbbU0uuitQ6oAH6KHjRaxTUsjUDqVEe32qeGP6aw=
+github.com/go-rel/sql v0.1.1-0.20211012072023-36066d80a50a/go.mod h1:M6VxbYbMCeRR50h70wIL6zCw1Ui5x+6plAHyuhnrCLg=
 github.com/go-sql-driver/mysql v1.6.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
 github.com/golang-sql/civil v0.0.0-20190719163853-cb61b32ac6fe h1:lXe2qZdvpiX5WZkZR4hgp4KJVfY3nMkvmwbVkpv1rVY=
 github.com/golang-sql/civil v0.0.0-20190719163853-cb61b32ac6fe/go.mod h1:8vg3r2VgvsThLBIFL93Qb5yWzgyZWhEmBwUJWevAkK0=
diff --git a/mssql.go b/mssql.go
index 8e7d35f..321c3d5 100644
--- a/mssql.go
+++ b/mssql.go
@@ -190,7 +190,7 @@ func columnMapper(column *rel.Column) (string, int, int) {
 		} else if m > 4000 {
 			m = 4000
 		}
-	case rel.Text:
+	case rel.Text, rel.JSON:
 		typ = "NVARCHAR(MAX)"
 	case rel.Date:
 		typ = "DATE"