diff --git a/go.mod b/go.mod
index 880b5be..f48208c 100644
--- a/go.mod
+++ b/go.mod
@@ -23,6 +23,7 @@ require (
 	github.com/vektah/gqlparser/v2 v2.5.8
 	go.uber.org/fx v1.20.0
 	golang.org/x/crypto v0.9.0
+	gopkg.in/guregu/null.v3 v3.5.0
 )
 
 require github.com/matryer/is v1.4.1 // indirect
@@ -58,7 +59,7 @@ require (
 	golang.org/x/sys v0.10.0 // indirect
 	golang.org/x/text v0.9.0 // indirect
 	golang.org/x/tools v0.9.3 // indirect
-	gopkg.in/guregu/null.v3 v3.5.0
+	gopkg.in/guregu/null.v4 v4.0.0
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	mellium.im/sasl v0.3.1 // indirect
 )
diff --git a/go.sum b/go.sum
index 9c34b5d..1468851 100644
--- a/go.sum
+++ b/go.sum
@@ -149,6 +149,7 @@ gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8
 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
 gopkg.in/guregu/null.v3 v3.5.0 h1:xTcasT8ETfMcUHn0zTvIYtQud/9Mx5dJqD554SZct0o=
 gopkg.in/guregu/null.v3 v3.5.0/go.mod h1:E4tX2Qe3h7QdL+uZ3a0vqvYwKQsRSQKM5V4YltdgH9Y=
+gopkg.in/guregu/null.v4 v4.0.0/go.mod h1:YoQhUrADuG3i9WqesrCmpNRwm1ypAgSHYqoOcTu/JrI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=