diff --git a/platform/viewer/package.json b/platform/viewer/package.json
index 361245728..22865a451 100644
--- a/platform/viewer/package.json
+++ b/platform/viewer/package.json
@@ -54,6 +54,7 @@
     "@ohif/i18n": "^0.52.4",
     "@ohif/ui": "^1.1.7",
     "@tanem/react-nprogress": "^1.1.25",
+    "@ffmpeg-installer/ffmpeg": "1.0.20",
     "classnames": "^2.2.6",
     "core-js": "^3.2.1",
     "cornerstone-core": "^2.2.8",