diff --git a/config/experiments.go b/config/experiments.go
index d63580f26c0..22e87a65950 100644
--- a/config/experiments.go
+++ b/config/experiments.go
@@ -8,4 +8,11 @@ type Experiments struct {
 	Libp2pStreamMounting bool
 	P2pHttpProxy         bool
 	StrategicProviding   bool
+
+	// OverrideSecurityTransports overrides the set of available security
+	// transports when non-empty. This option should eventually migrate some
+	// place more stable.
+	//
+	// Default: ["tls", "secio", "noise"].
+	OverrideSecurityTransports []string `json:",omitempty"`
 }