diff --git a/compression/compression-including-empty-chunk.tentative.any.js b/compression/compression-including-empty-chunk.tentative.any.js
index 61fe76959c972f..916118ea893769 100644
--- a/compression/compression-including-empty-chunk.tentative.any.js
+++ b/compression/compression-including-empty-chunk.tentative.any.js
@@ -1,5 +1,5 @@
 // META: global=window,worker
-// META: script=pako/pako_inflate.min.js
+// META: script=third_party/pako/pako_inflate.min.js
 // META: timeout=long
 
 'use strict';
diff --git a/compression/compression-multiple-chunks.tentative.any.js b/compression/compression-multiple-chunks.tentative.any.js
index eeb83869512ac7..db1ab92a2b4cfb 100644
--- a/compression/compression-multiple-chunks.tentative.any.js
+++ b/compression/compression-multiple-chunks.tentative.any.js
@@ -1,5 +1,5 @@
 // META: global=window,worker
-// META: script=pako/pako_inflate.min.js
+// META: script=third_party/pako/pako_inflate.min.js
 // META: timeout=long
 
 'use strict';
diff --git a/compression/compression-stream.tentative.any.js b/compression/compression-stream.tentative.any.js
index c63e377abbffe8..8c02a6d699a6d2 100644
--- a/compression/compression-stream.tentative.any.js
+++ b/compression/compression-stream.tentative.any.js
@@ -1,5 +1,5 @@
 // META: global=window,worker
-// META: script=pako/pako_inflate.min.js
+// META: script=third_party/pako/pako_inflate.min.js
 // META: timeout=long
 
 'use strict';
diff --git a/compression/pako/LICENSE b/compression/third_party/pako/LICENSE
similarity index 100%
rename from compression/pako/LICENSE
rename to compression/third_party/pako/LICENSE
diff --git a/compression/pako/README b/compression/third_party/pako/README
similarity index 100%
rename from compression/pako/README
rename to compression/third_party/pako/README
diff --git a/compression/pako/pako_inflate.min.js b/compression/third_party/pako/pako_inflate.min.js
similarity index 100%
rename from compression/pako/pako_inflate.min.js
rename to compression/third_party/pako/pako_inflate.min.js