diff --git a/kubernetes/Dockerfile b/kubernetes/Dockerfile
index ede6d044..4843094c 100644
--- a/kubernetes/Dockerfile
+++ b/kubernetes/Dockerfile
@@ -12,14 +12,14 @@ RUN export DEBIAN_FRONTEND=noninteractive \
     ## Make sure we have a en_US.UTF-8 locale available
     && localedef -i en_US -c -f UTF-8 -A /usr/share/locale/locale.alias en_US.UTF-8 \
 
-    && pip install setuptools \
-    && pip install 'git+https://github.com/zalando/patroni.git#egg=patroni[kubernetes]' \
+    && pip3 install setuptools \
+    && pip3 install 'git+https://github.com/zalando/patroni.git#egg=patroni[kubernetes]' \
 
     && mkdir -p /home/postgres \
     && chown postgres:postgres /home/postgres \
 
     # Clean up
-    && apt-get remove -y git python-pip python-wheel \
+    && apt-get remove -y git python3-pip python3-wheel \
     && apt-get autoremove -y \
     && apt-get clean -y \
     && rm -rf /var/lib/apt/lists/* /root/.cache
diff --git a/kubernetes/entrypoint.sh b/kubernetes/entrypoint.sh
index c665726c..39490946 100755
--- a/kubernetes/entrypoint.sh
+++ b/kubernetes/entrypoint.sh
@@ -33,4 +33,4 @@ unset PATRONI_SUPERUSER_PASSWORD PATRONI_REPLICATION_PASSWORD
 export KUBERNETES_NAMESPACE=$PATRONI_KUBERNETES_NAMESPACE
 export POD_NAME=$PATRONI_NAME
 
-exec /usr/bin/python /usr/local/bin/patroni /home/postgres/patroni.yml
+exec /usr/bin/python3 /usr/local/bin/patroni /home/postgres/patroni.yml