diff --git a/Dockerfile b/Dockerfile
index 493e97a..3475b4e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,8 +6,9 @@ RUN curl -sSLO https://piair.xyz/download/chrome.deb \
     && git clone https://gitea.augustin64.fr/piair/MsRewards-Reborn \
     && python3 -m pip install -r MsRewards-Reborn/requirements.txt \
     && wget -q -O /usr/share/keyrings/grafana.key https://apt.grafana.com/gpg.key \
+    && apt install lsb_release \
     && echo "deb [signed-by=/usr/share/keyrings/grafana.key] https://apt.grafana.com stable main" | tee -a /etc/apt/sources.list.d/grafana.list \
-    && echo "deb [signed-by=/usr/share/keyrings/redis-archive-keyring.gpg] https://packages.redis.io/deb $(lsb_release -cs) main" | tee /etc/apt/sources.list.d/redis.list \
+    && echo "deb [signed-by=/usr/share/keyrings/redis-archive-keyring.gpg] https://packages.redis.io/deb bullseye main" | tee /etc/apt/sources.list.d/redis.list \
     && apt update \
     && apt install redis novnc websockify grafana xvfb nginx nano tzdata sqlite3 apt-transport-https software-properties-common wget wfrench tigervnc-standalone-server libasound2 libatk-bridge2.0-0 libnss3 libnspr4 xvfb libgbm1 libatk1.0-0 libu2f-udev libatspi2.0-0 libcups2 libxkbcommon0 libxrandr2 libdbus-1-3 xdg-utils fonts-liberation libdrm2 -y \
     && bash MsRewards-Reborn/config/config.sh \