diff --git a/optipng.json b/optipng.json
index 1b100a41c0..76fecf990f 100644
--- a/optipng.json
+++ b/optipng.json
@@ -1,10 +1,14 @@
 {
     "homepage": "http://optipng.sourceforge.net/",
-    "version": "0.7.6",
+    "version": "0.7.7",
     "license": "zlib",
-    "url": "https://sourceforge.net/projects/optipng/files/OptiPNG/optipng-0.7.6/optipng-0.7.6-win32.zip",
-    "hash": "0012ec30ee5292e1fd19e0f8c45de4cc291fb5872c5bc83355c17e0b6ce662f7",
-    "extract_dir": "optipng-0.7.6-win32",
+    "url": "https://sourceforge.net/projects/optipng/files/OptiPNG/optipng-0.7.7/optipng-0.7.7-win32.zip",
+    "hash": "sha1:2a1484d27bf63c7a15c3494eea95a2c804f5bdbc",
+    "extract_dir": "optipng-0.7.7-win32",
     "bin": "optipng.exe",
-    "checkver": "([\\d.]+)<\\/b><\\/font> \\(stable\\)"
+    "checkver": "([\\d.]+)<\\/b><\\/font> \\(stable\\)",
+    "autoupdate": {
+        "url": "https://sourceforge.net/projects/optipng/files/OptiPNG/optipng-$version/optipng-$version-win32.zip",
+        "extract_dir": "optipng-$version-win32"
+    }
 }