diff --git a/Dockerfile b/Dockerfile
index 9d18d1e54..166090c42 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM sitespeedio/webbrowsers:chrome-86.0-firefox-81.0
+FROM sitespeedio/webbrowsers:chrome-86.0-firefox-82.0
 
 ENV SITESPEED_IO_BROWSERTIME__XVFB true
 ENV SITESPEED_IO_BROWSERTIME__DOCKER true