diff --git a/Dockerfile-slim b/Dockerfile-slim
index 0ee722051..696823b84 100644
--- a/Dockerfile-slim
+++ b/Dockerfile-slim
@@ -1,4 +1,4 @@
-FROM node:12.16.1-buster-slim
+FROM node:12.19.0-buster-slim
 
 ENV SITESPEED_IO_BROWSERTIME__DOCKER true
 ENV SITESPEED_IO_BROWSERTIME__VIDEO false
@@ -6,7 +6,7 @@ ENV SITESPEED_IO_BROWSERTIME__BROWSER firefox
 ENV SITESPEED_IO_BROWSERTIME__VISUAL_METRICS false
 ENV SITESPEED_IO_BROWSERTIME__HEADLESS true
 
-ENV FIREFOX_VERSION 81.0
+ENV FIREFOX_VERSION 82.0
 
 ENV PATH="/usr/local/bin:${PATH}"