diff --git a/Dockerfile-slim b/Dockerfile-slim
index 85b79172a..06dd48325 100644
--- a/Dockerfile-slim
+++ b/Dockerfile-slim
@@ -8,22 +8,16 @@ ENV SITESPEED_IO_BROWSERTIME__BROWSER firefox
 ENV SITESPEED_IO_BROWSERTIME__VISUAL_METRICS false
 ENV SITESPEED_IO_BROWSERTIME__HEADLESS true
 
-ENV FIREFOX_VERSION 97.0
-
 ENV PATH="/usr/local/bin:${PATH}"
 
 RUN buildDeps='wget bzip2' && apt-get update && apt -y install $buildDeps && \
     # Download and unpack the correct Firefox version
     if [ "$TARGETPLATFORM" = "linux/amd64" ] ; \
       then \
-        wget https://ftp.mozilla.org/pub/firefox/releases/${FIREFOX_VERSION}/linux-x86_64/en-US/firefox-${FIREFOX_VERSION}.tar.bz2 && \
-        tar -xjf firefox-${FIREFOX_VERSION}.tar.bz2 && \
-        rm firefox-${FIREFOX_VERSION}.tar.bz2 && \
-        mv firefox /opt/ && \
-        ln -s /opt/firefox/firefox /usr/local/bin/firefox && \
-        # Install dependencies for Firefox
-        apt-get install -y --no-install-recommends --no-install-suggests libxt6 \
-            `apt-cache depends firefox-esr | awk '/Depends:/{print$2}'`; \
+        # Install dependencies for Firefox, the repo is often behind
+        echo "deb http://deb.debian.org/debian/ unstable main contrib non-free" >> /etc/apt/sources.list.d/debian.list && \
+        apt-get update && \
+        apt-get install -y --no-install-recommends firefox; \
     elif [ "$TARGETPLATFORM" = "linux/arm64" ] ; \
         then \
           apt-get update && \
@@ -40,7 +34,7 @@ RUN apt -y install tcpdump iproute2 ca-certificates sudo --no-install-recommends
 RUN mkdir -p /usr/src/app
 WORKDIR /usr/src/app
 COPY . /usr/src/app
-RUN npm install -g npm@latest && CHROMEDRIVER_SKIP_DOWNLOAD=true EGDEDRIVER_SKIP_DOWNLOAD=true npm install --production && npm cache clean --force && npm uninstall npm -g
+RUN CHROMEDRIVER_SKIP_DOWNLOAD=true EGDEDRIVER_SKIP_DOWNLOAD=true npm install --production && npm cache clean --force && npm uninstall npm -g
 WORKDIR /usr/src/app
 COPY docker/scripts/start-slim.sh /start.sh