diff --git a/go.mod b/go.mod
index 5510b88..3b41724 100644
--- a/go.mod
+++ b/go.mod
@@ -19,4 +19,4 @@ require (
 	golang.org/x/sys v0.0.0-20210309074719-68d13333faf2 // indirect
 )
 
-go 1.19
+go 1.20
diff --git a/inline_test.go b/inline_test.go
index 64e5889..2275bbc 100644
--- a/inline_test.go
+++ b/inline_test.go
@@ -1,7 +1,7 @@
 package cidutil
 
 import (
-	"math/rand"
+	"crypto/rand"
 	"testing"
 
 	cid "github.com/ipfs/go-cid"