diff --git a/cli/command/system/prune.go b/cli/command/system/prune.go
index 1872c807bf98..5f0896289b10 100644
--- a/cli/command/system/prune.go
+++ b/cli/command/system/prune.go
@@ -1,3 +1,6 @@
+// FIXME(thaJeztah): remove once we are a module; the go:build directive prevents go from downgrading language version to go1.16:
+//go:build go1.24
+
 package system
 
 import (