diff --git a/mozjpeg.json b/mozjpeg.json
index 0040e7a9aa..df6bc31efb 100644
--- a/mozjpeg.json
+++ b/mozjpeg.json
@@ -2,7 +2,7 @@
     "homepage": "https://github.com/mozilla/mozjpeg",
     "version": "3.1",
     "license": "https://github.com/mozilla/mozjpeg/blob/master/LICENSE.txt",
-    "url": "http://mozjpeg.codelove.de/bin/mozjpeg_3.1_x86.zip",
+    "url": "https://mozjpeg.codelove.de/bin/mozjpeg_3.1_x86.zip",
     "hash": "f8fd47f219823e7ee1fe6583bca8baca075d214081588f1fd66141f790cf0731",
     "bin": [
         "cjpeg.exe",