diff --git a/steamcmd/proton/Dockerfile b/steamcmd/proton/Dockerfile
index 1c678101a..f64445516 100644
--- a/steamcmd/proton/Dockerfile
+++ b/steamcmd/proton/Dockerfile
@@ -1,7 +1,7 @@
 # ---------------------------------------------
 # Steam Proton image
 # ---------------------------------------------
-FROM        debian:bullseye-slim
+FROM        debian:bookworm-slim
 
 LABEL       author="EgoMaw" maintainer="egomaw@dedicatedmc.io"
 
@@ -9,7 +9,7 @@ LABEL       author="EgoMaw" maintainer="egomaw@dedicatedmc.io"
 RUN         dpkg --add-architecture i386
 RUN         apt-get update
 RUN         apt-get install -y --no-install-recommends wget iproute2 gnupg2 software-properties-common libntlm0 winbind xvfb xauth libncurses5-dev:i386 libncurses6 dbus libgdiplus lib32gcc-s1
-RUN         apt-get install -y alsa-tools libpulse0 pulseaudio libpulse-dev libasound2 libao-common gnutls-bin gnupg locales numactl cabextract curl python3 python3-pip python3-setuptools jq gettext-base
+RUN         apt-get install -y --no-install-recommends alsa-tools libpulse0 pulseaudio libpulse-dev libasound2 libao-common gnutls-bin gnupg locales numactl cabextract curl python3 python3-pip python3-setuptools jq gettext-base
 RUN         useradd -d /home/container -m container
 
 # Download Proton GE