diff --git a/ui/build/sandbox_linux.go b/ui/build/sandbox_linux.go
index edb3b66..386dc55 100644
--- a/ui/build/sandbox_linux.go
+++ b/ui/build/sandbox_linux.go
@@ -228,6 +228,10 @@
 		sandboxArgs = append(sandboxArgs, "-N")
 	}
 
+	if ccacheDir := os.Getenv("CCACHE_DIR"); ccacheDir != "" {
+		sandboxArgs = append(sandboxArgs, "-B", ccacheDir)
+	}
+
 	// Stop nsjail from parsing arguments
 	sandboxArgs = append(sandboxArgs, "--")