diff --git a/ffmpeg-nightly.json b/ffmpeg-nightly.json
index c621784450..65aa2024eb 100644
--- a/ffmpeg-nightly.json
+++ b/ffmpeg-nightly.json
@@ -1,17 +1,17 @@
 {
-    "version": "20181119-e3a9630",
+    "version": "20181121-77bf855",
     "homepage": "https://ffmpeg.zeranoe.com/builds/",
     "license": "GPL-3.0",
     "architecture": {
         "64bit": {
-            "url": "https://ffmpeg.zeranoe.com/builds/win64/static/ffmpeg-20181119-e3a9630-win64-static.zip",
-            "hash": "299b6010c024ce47dcc6e44c3a8c9d57a92cd4d43e2dd130ce47db320a925bc5",
-            "extract_dir": "ffmpeg-20181119-e3a9630-win64-static"
+            "url": "https://ffmpeg.zeranoe.com/builds/win64/static/ffmpeg-20181121-77bf855-win64-static.zip",
+            "hash": "2c14011ded09938d43c8482a525bf9efc5c4f2e6e5c8608339cf916551661fd8",
+            "extract_dir": "ffmpeg-20181121-77bf855-win64-static"
         },
         "32bit": {
-            "url": "https://ffmpeg.zeranoe.com/builds/win32/static/ffmpeg-20181119-e3a9630-win32-static.zip",
-            "hash": "4d67f3550814ccfae4cca6b134d98476cb401ea693a537934ec4636f1c6454fa",
-            "extract_dir": "ffmpeg-20181119-e3a9630-win32-static"
+            "url": "https://ffmpeg.zeranoe.com/builds/win32/static/ffmpeg-20181121-77bf855-win32-static.zip",
+            "hash": "64ed59451c96d3e19540f575adcbd0803116470a663c660302ef342aa20adc2a",
+            "extract_dir": "ffmpeg-20181121-77bf855-win32-static"
         }
     },
     "bin": [