diff --git a/dist/index.js b/dist/index.js
index f6e0144..eb26511 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -128,7 +128,8 @@ function get_slim() {
                 const tar = require('tar');
                 yield tar.x({
                     file: const_1.path.join(const_1.TMP_DIR, FILENAME),
-                    cwd: const_1.TMP_DIR
+                    cwd: const_1.TMP_DIR,
+                    gzip: true
                 });
             }
             else {
diff --git a/src/index.ts b/src/index.ts
index 754ed96..a3ec851 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -129,7 +129,8 @@ async function get_slim() {
       const tar = require('tar');
       await tar.x({
         file: path.join(TMP_DIR, FILENAME),
-        cwd: TMP_DIR
+        cwd: TMP_DIR,
+        gzip: true
       });
     } else {
       throw new Error('Unexpected file extension.');