diff --git a/Dockerfile b/Dockerfile
index fd79d33..1181af2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -24,10 +24,9 @@ ENV HTTPS_PROXY=${https_proxy}
 
 RUN echo "deb [trusted=yes] http://10.15.39.186:8081/repository/debian-proxy/ bullseye main" > /etc/apt/sources.list \
     && echo "deb [trusted=yes] http://10.15.39.186:8081/repository/debian-proxy/ bullseye-updates main" >> /etc/apt/sources.list \
-    && echo "deb [trusted=yes] http://10.15.39.186:8081/repository/debian-proxy/ bullseye-security main" >> /etc/apt/sources.list \
     && rm -rf /etc/apt/sources.list.d/* \
-    && env -u http_proxy -u https_proxy -u HTTP_PROXY -u HTTPS_PROXY apt-get update \
-    && env -u http_proxy -u https_proxy -u HTTP_PROXY -u HTTPS_PROXY apt-get install -y --no-install-recommends \
+    && apt-get update \
+    && apt-get install -y --no-install-recommends \
         nginx \
         vim \
         wget \