diff --git a/Dockerfile b/Dockerfile
index 607a93f..edcaca9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,8 +4,8 @@
 FROM debian:bullseye-slim
 
 # Base utilities
-RUN apt-get -o Acquire::ForceIPv4=true update \
-    && apt-get -o Acquire::ForceIPv4=true install -yqq curl supervisor procps less zip unzip arj unrar-free lhasa arc logrotate cron \
+RUN apt-get update \
+    && apt-get install -yqq curl supervisor procps less zip unzip arj unrar-free lhasa arc logrotate cron \
     && apt-get -y autoremove \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
@@ -16,8 +16,8 @@ RUN ln -sf /usr/share/zoneinfo/Australia/Melbourne /etc/localtime
 # Add NNCP
 RUN echo "deb http://deb.debian.org/debian bullseye-backports main" > /etc/apt/sources.list.d/backports.list
 
-RUN apt-get -o Acquire::ForceIPv4=true update \
-        && apt-get -o Acquire::ForceIPv4=true install -yyq nncp less ssmtp \
+RUN apt-get update \
+        && apt-get install -yyq nncp less ssmtp \
         && mkdir /etc/nncp \
         && apt-get -y autoremove \
         && apt-get clean \
@@ -46,8 +46,8 @@ RUN apt-get -o Acquire::ForceIPv4=true update \
 #    && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
 # Build SBBS
-RUN apt-get -o Acquire::ForceIPv4=true update \
-    && apt-get -o Acquire::ForceIPv4=true install -yqq git build-essential autoconf2.13 libnspr4-dev libncurses5-dev libncursesw5-dev libarchive-dev wget python2.7 pkgconf libcap2-bin sudo libarchive13 libnspr4 \
+RUN apt-get update \
+    && apt-get install -yqq git build-essential autoconf2.13 libnspr4-dev libncurses5-dev libncursesw5-dev libarchive-dev wget python2.7 pkgconf libcap2-bin sudo libarchive13 libnspr4 \
     && mkdir /opt/sbbs && cd /tmp \
     && wget https://gitlab.synchro.net/sbbs/sbbs/-/raw/master/install/GNUmakefile \
     && git clone https://gitlab.com/SynchronetBBS/sbbs.git /opt/sbbs/repo \
@@ -67,8 +67,8 @@ RUN apt-get -o Acquire::ForceIPv4=true update \
     && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
 # Add PHP
-RUN apt-get -o Acquire::ForceIPv4=true update \
-    && apt-get -o Acquire::ForceIPv4=true install -yqq composer php-cgi php-fpm php-gd php-sqlite3 php-xml \
+RUN apt-get update \
+    && apt-get install -yqq composer php-cgi php-fpm php-gd php-sqlite3 php-xml \
     && apt-get -y autoremove \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*