diff --git a/src/internal/goexperiment/exp_aliastypeparams_off.go b/src/internal/goexperiment/exp_aliastypeparams_off.go
new file mode 100644
index 0000000000..620d34ec79
--- /dev/null
+++ b/src/internal/goexperiment/exp_aliastypeparams_off.go
@@ -0,0 +1,8 @@
+// Code generated by mkconsts.go. DO NOT EDIT.
+
+//go:build !goexperiment.aliastypeparams
+
+package goexperiment
+
+const AliasTypeParams = false
+const AliasTypeParamsInt = 0
diff --git a/src/internal/goexperiment/exp_aliastypeparams_on.go b/src/internal/goexperiment/exp_aliastypeparams_on.go
new file mode 100644
index 0000000000..8f6872cdcd
--- /dev/null
+++ b/src/internal/goexperiment/exp_aliastypeparams_on.go
@@ -0,0 +1,8 @@
+// Code generated by mkconsts.go. DO NOT EDIT.
+
+//go:build goexperiment.aliastypeparams
+
+package goexperiment
+
+const AliasTypeParams = true
+const AliasTypeParamsInt = 1
diff --git a/src/internal/goexperiment/flags.go b/src/internal/goexperiment/flags.go
index 7f6c223ed6..3f9c5af68e 100644
--- a/src/internal/goexperiment/flags.go
+++ b/src/internal/goexperiment/flags.go
@@ -110,4 +110,9 @@ type Flags struct {
 
 	// RangeFunc enables range over func.
 	RangeFunc bool
+
+	// AliasTypeParams enables type parameters for alias types.
+	// Requires that gotypesalias=1 is set with GODEBUG.
+	// This flag will be removed with Go 1.24.
+	AliasTypeParams bool
 }