diff --git a/bucket/mozjpeg.json b/bucket/mozjpeg.json
index 9df6ad0101..fc329b9232 100644
--- a/bucket/mozjpeg.json
+++ b/bucket/mozjpeg.json
@@ -1,5 +1,5 @@
 {
-    "version": "4.0.3",
+    "version": "4.1.1",
     "description": "Improved JPEG encoder",
     "homepage": "https://github.com/mozilla/mozjpeg",
     "license": {
@@ -8,12 +8,12 @@
     },
     "architecture": {
         "64bit": {
-            "url": "https://github.com/garyzyg/mozjpeg-windows/releases/download/4.0.3/mozjpeg-x64.zip",
-            "hash": "c8bfba0c9316cddb6be718b09a87a5e8b30e9eb343f091694c4b6a057bd0e40e"
+            "url": "https://github.com/garyzyg/mozjpeg-windows/releases/download/4.1.1/mozjpeg-x64.zip",
+            "hash": "7575b5a4564d0974dd3739195580559666ee4427e0358195a324d4bae9f02184"
         },
         "32bit": {
-            "url": "https://github.com/garyzyg/mozjpeg-windows/releases/download/4.0.3/mozjpeg-x86.zip",
-            "hash": "5bd7b47569bf49c063e09b9410479bb847b6e3a03ae4ad627a15cce27b51f0a2"
+            "url": "https://github.com/garyzyg/mozjpeg-windows/releases/download/4.1.1/mozjpeg-x86.zip",
+            "hash": "46e669e3d105778c267bd2d2701936c470fc916521643b3eec2288e504242fb4"
         }
     },
     "bin": [