diff --git a/pkg/util/util.go b/pkg/util/util.go
index b3d0baaf..fff9c2e4 100644
--- a/pkg/util/util.go
+++ b/pkg/util/util.go
@@ -12,7 +12,7 @@ import (
 
 var (
 	keyLengthLimit = 63
-	keyRegex       = regexp.MustCompile(`^[\w\d-]+$`)
+	keyRegex       = regexp.MustCompile(`^[\w\d-/]+$`)
 
 	randomKeyCharset = []byte("123456789abcdefghijkmnopqrstuvwxyz")
 	randomKeyPrefix  = "k"
diff --git a/pkg/util/util_test.go b/pkg/util/util_test.go
index 87adda69..3de72f86 100644
--- a/pkg/util/util_test.go
+++ b/pkg/util/util_test.go
@@ -96,6 +96,10 @@ func TestIsSafeKey(t *testing.T) {
 	b, msg = IsSafeKey(strings.Repeat("a", 64))
 	assert.False(t, b)
 	assert.NotEmpty(t, msg)
+
+	b, msg = IsSafeKey("slashes/are/valid")
+	assert.True(t, b)
+	assert.Empty(t, msg)
 }
 
 func TestPtrs(t *testing.T) {