diff --git a/images/Dockerfile b/images/Dockerfile
index 20f7a0cf1..fcaf69836 100644
--- a/images/Dockerfile
+++ b/images/Dockerfile
@@ -7,7 +7,7 @@ ADD . /usr/src/multus-cni
 RUN  cd /usr/src/multus-cni && \
      ./hack/build-go.sh
 
-FROM centos:centos7
+FROM python:slim
 LABEL org.opencontainers.image.source https://github.com/k8snetworkplumbingwg/multus-cni
 COPY --from=build /usr/src/multus-cni/bin /usr/src/multus-cni/bin
 COPY --from=build /usr/src/multus-cni/LICENSE /usr/src/multus-cni/LICENSE
diff --git a/images/Dockerfile.arm32 b/images/Dockerfile.arm32
index 1a865639a..2f6303201 100644
--- a/images/Dockerfile.arm32
+++ b/images/Dockerfile.arm32
@@ -11,7 +11,7 @@ RUN  cd /usr/src/multus-cni && \
      ./hack/build-go.sh
 
 # build arm container
-FROM arm32v7/centos:7
+FROM arm32v7/python:slim
 LABEL org.opencontainers.image.source https://github.com/k8snetworkplumbingwg/multus-cni
 COPY --from=build /usr/src/multus-cni/bin /usr/src/multus-cni/bin
 COPY --from=build /usr/src/multus-cni/LICENSE /usr/src/multus-cni/LICENSE
diff --git a/images/Dockerfile.arm64 b/images/Dockerfile.arm64
index 7235be7b3..0e38ee478 100644
--- a/images/Dockerfile.arm64
+++ b/images/Dockerfile.arm64
@@ -11,7 +11,7 @@ RUN  cd /usr/src/multus-cni && \
      ./hack/build-go.sh
 
 # build arm64 container
-FROM arm64v8/centos:7
+FROM arm64v8/python:slim
 LABEL org.opencontainers.image.source https://github.com/k8snetworkplumbingwg/multus-cni
 COPY --from=build /usr/src/multus-cni/bin /usr/src/multus-cni/bin
 COPY --from=build /usr/src/multus-cni/LICENSE /usr/src/multus-cni/LICENSE
diff --git a/images/Dockerfile.ppc64le b/images/Dockerfile.ppc64le
index d91a2b05c..8d9c4f3f2 100644
--- a/images/Dockerfile.ppc64le
+++ b/images/Dockerfile.ppc64le
@@ -11,7 +11,7 @@ RUN  cd /usr/src/multus-cni && \
      ./hack/build-go.sh
 
 # build ppc container
-FROM ppc64le/centos:latest
+FROM ppc64le/python:slim
 LABEL org.opencontainers.image.source https://github.com/k8snetworkplumbingwg/multus-cni
 COPY --from=build /usr/src/multus-cni/bin /usr/src/multus-cni/bin
 COPY --from=build /usr/src/multus-cni/LICENSE /usr/src/multus-cni/LICENSE
diff --git a/images/Dockerfile.s390x b/images/Dockerfile.s390x
index f67b1b30c..dd3268b5b 100644
--- a/images/Dockerfile.s390x
+++ b/images/Dockerfile.s390x
@@ -11,7 +11,7 @@ RUN  cd /usr/src/multus-cni && \
      ./hack/build-go.sh
 
 # build s390x container
-FROM s390x/python:3-slim
+FROM s390x/python:slim
 LABEL org.opencontainers.image.source https://github.com/k8snetworkplumbingwg/multus-cni
 COPY --from=build /usr/src/multus-cni/bin /usr/src/multus-cni/bin
 COPY --from=build /usr/src/multus-cni/LICENSE /usr/src/multus-cni/LICENSE
diff --git a/images/Dockerfile.thick b/images/Dockerfile.thick
index 8c07c3518..3bedc9072 100644
--- a/images/Dockerfile.thick
+++ b/images/Dockerfile.thick
@@ -7,7 +7,7 @@ ADD . /usr/src/multus-cni
 RUN  cd /usr/src/multus-cni && \
      ./hack/build-go.sh
 
-FROM registry.access.redhat.com/ubi8/ubi-minimal
+FROM debian:stable-slim
 LABEL org.opencontainers.image.source https://github.com/k8snetworkplumbingwg/multus-cni
 COPY --from=build /usr/src/multus-cni/bin /usr/src/multus-cni/bin
 COPY --from=build /usr/src/multus-cni/LICENSE /usr/src/multus-cni/LICENSE
diff --git a/images/entrypoint.sh b/images/entrypoint.sh
index 0c12d899c..f566d68de 100755
--- a/images/entrypoint.sh
+++ b/images/entrypoint.sh
@@ -89,10 +89,6 @@ function warn()
     log "WARN: {$1}"
 }
 
-if type python3 &> /dev/null; then
-	alias python=python3
-fi
-
 function checkCniVersion {
       cniversion_python_tmpfile=$(mktemp)
       cat << EOF > $cniversion_python_tmpfile
@@ -109,7 +105,7 @@ if version(v_top_level) >= v_040 and version(v_nested) < v_040:
     msg = "Multus cni version is %s while master plugin cni version is %s"
     print(msg % (v_top_level, v_nested))
 EOF
-      python $cniversion_python_tmpfile $1 $2
+      python3 $cniversion_python_tmpfile $1 $2
 }
 
 # Parse parameters given as arguments to this script.
@@ -378,7 +374,7 @@ if [ "$MULTUS_CONF_FILE" == "auto" ]; then
 
       if [ "$OVERRIDE_NETWORK_NAME" == "true" ]; then
         MASTER_PLUGIN_NET_NAME="$(cat $MULTUS_AUTOCONF_DIR/$MASTER_PLUGIN | \
-            python -c 'import json,sys;print(json.load(sys.stdin)["name"])')"
+            python3 -c 'import json,sys;print(json.load(sys.stdin)["name"])')"
       else
         MASTER_PLUGIN_NET_NAME="multus-cni-network"
       fi
@@ -400,7 +396,7 @@ else:
 EOF
 
       NESTED_CAPABILITIES_STRING="$(cat $MULTUS_AUTOCONF_DIR/$MASTER_PLUGIN | \
-            python $capabilities_python_filter_tmpfile)"
+            python3 $capabilities_python_filter_tmpfile)"
       rm $capabilities_python_filter_tmpfile
       log "Nested capabilities string: $NESTED_CAPABILITIES_STRING"