diff --git a/sonic-slave-bullseye/Dockerfile.j2 b/sonic-slave-bullseye/Dockerfile.j2
index f190f0b35e..edac99af11 100644
--- a/sonic-slave-bullseye/Dockerfile.j2
+++ b/sonic-slave-bullseye/Dockerfile.j2
@@ -21,6 +21,7 @@ RUN echo "deb [arch=amd64] http://debian-archive.trafficmanager.net/debian/ bull
         echo "deb [arch=amd64] http://debian-archive.trafficmanager.net/debian-security/ bullseye-security main contrib non-free" >> /etc/apt/sources.list && \
         echo "deb-src [arch=amd64] http://debian-archive.trafficmanager.net/debian-security/ bullseye-security main contrib non-free" >> /etc/apt/sources.list && \
         echo "deb [arch=amd64] http://debian-archive.trafficmanager.net/debian bullseye-backports main" >> /etc/apt/sources.list && \
+        echo "deb [arch=amd64] http://packages.trafficmanager.net/debian/debian-security bullseye-security main contrib non-free" >> /etc/apt/sources.list && \
         echo "deb [arch=amd64] http://packages.trafficmanager.net/debian/debian bullseye main contrib non-free" >> /etc/apt/sources.list && \
         echo "deb [arch=amd64] http://packages.trafficmanager.net/debian/debian bullseye-updates main contrib non-free" >> /etc/apt/sources.list
 
@@ -32,6 +33,7 @@ RUN echo "deb [arch=armhf] http://deb.debian.org/debian bullseye main contrib no
         echo "deb [arch=armhf] http://security.debian.org bullseye-security main contrib non-free" >> /etc/apt/sources.list && \
         echo "deb-src [arch=armhf] http://security.debian.org bullseye-security main contrib non-free" >> /etc/apt/sources.list && \
         echo 'deb [arch=armhf] http://ftp.debian.org/debian bullseye-backports main' >> /etc/apt/sources.list && \
+        echo "deb [arch=armhf] http://packages.trafficmanager.net/debian/debian-security bullseye-security main contrib non-free" >> /etc/apt/sources.list && \
         echo "deb [arch=armhf] http://packages.trafficmanager.net/debian/debian bullseye main contrib non-free" >> /etc/apt/sources.list && \
         echo "deb [arch=armhf] http://packages.trafficmanager.net/debian/debian bullseye-updates main contrib non-free" >> /etc/apt/sources.list
 {%- elif CONFIGURED_ARCH == "arm64" %}
@@ -41,6 +43,7 @@ RUN echo "deb [arch=arm64] http://deb.debian.org/debian bullseye main contrib no
         echo "deb-src [arch=arm64] http://deb.debian.org/debian bullseye-updates main contrib non-free" >> /etc/apt/sources.list && \
         echo "deb [arch=arm64] http://security.debian.org bullseye-security main contrib non-free" >> /etc/apt/sources.list && \
         echo "deb-src [arch=arm64] http://security.debian.org bullseye-security main contrib non-free" >> /etc/apt/sources.list && \
+        echo "deb [arch=arm64] http://packages.trafficmanager.net/debian/debian-security bullseye-security main contrib non-free" >> /etc/apt/sources.list && \
         echo 'deb [arch=arm64] http://ftp.debian.org/debian bullseye-backports main' >> /etc/apt/sources.list && \
         echo "deb [arch=arm64] http://packages.trafficmanager.net/debian/debian bullseye main contrib non-free" >> /etc/apt/sources.list && \
         echo "deb [arch=arm64] http://packages.trafficmanager.net/debian/debian bullseye-updates main contrib non-free" >> /etc/apt/sources.list