diff --git a/.gitignore b/.gitignore
deleted file mode 100644
index 08cb523..0000000
--- a/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-go.sum
diff --git a/go.mod b/go.mod
index 7631611..e67652f 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,9 @@ module apigo.cc/go/safe
 go 1.25.0
 
 require (
-	apigo.cc/go/rand v1.0.4
+	apigo.cc/go/rand v1.0.5
 	golang.org/x/crypto v0.50.0
 	golang.org/x/sys v0.43.0
 )
+
+replace apigo.cc/go/rand => ../rand
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..035bcee
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,4 @@
+golang.org/x/crypto v0.50.0 h1:zO47/JPrL6vsNkINmLoo/PH1gcxpls50DNogFvB5ZGI=
+golang.org/x/crypto v0.50.0/go.mod h1:3muZ7vA7PBCE6xgPX7nkzzjiUq87kRItoJQM1Yo8S+Q=
+golang.org/x/sys v0.43.0 h1:Rlag2XtaFTxp19wS8MXlJwTvoh8ArU6ezoyFsMyCTNI=
+golang.org/x/sys v0.43.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=