diff --git a/Dockerfile b/Dockerfile
index 9876505..7d3a928 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -31,11 +31,11 @@
 RUN apt-get update && apt-get  upgrade -y && \
     apt-get install -y build-essential curl git-core iputils-ping libffi-dev libldap2-dev libsasl2-dev libssl-dev patch vim-tiny wget \
     python2.7 python2.7-dev python3.8 python3.8-dev python3-pip \
-    && pip install --upgrade pip setuptools>=65.5.1 wheel>=0.38.0 \
+    && pip install --upgrade pip setuptools wheel \
     && apt-mark manual python3 python3-pip \
     # tox==3.25.1 the latest version which supports python2.7 properly
     # the same for virtualenv==20.21.0
-    && pip install -U tox==3.25.1 virtualenv==20.21.0
+    && pip install -U tox==3.25.1 virtualenv==20.15.1
 RUN tox --recreate \
 # Cleanup
     && apt-get -y purge libx11-data xauth libxmuu1 libxcb1 libx11-6 libxext6 ppp pppconfig pppoeconf popularity-contest cpp gcc g++ libssl-doc && \