diff --git a/ansible-playbook.yml b/ansible-playbook.yml
index f593c4b..eb03621 100644
--- a/ansible-playbook.yml
+++ b/ansible-playbook.yml
@@ -146,9 +146,6 @@
           PDNS_webserver_allow_from: '172.5.0.0/16'
           PDNS_version_string: 'anonymous'
           PDNS_default_ttl: '1500'
-          PDNS_soa_minimum_ttl: '1200'
-          PDNS_default_soa_name: 'ns1.example.com'
-          PDNS_default_soa_mail: 'hostmaster.example.com'
           PDNS_allow_axfr_ips: '{{ pdns_slave_ip }}'
           PDNS_only_notify: '{{ pdns_slave_ip }}'
       tags:
diff --git a/pdns-admin-base-ngoduykhanh/Dockerfile b/pdns-admin-base-ngoduykhanh/Dockerfile
index b3c0822..c5e18a5 100644
--- a/pdns-admin-base-ngoduykhanh/Dockerfile
+++ b/pdns-admin-base-ngoduykhanh/Dockerfile
@@ -1,10 +1,11 @@
-FROM fedora:32
+FROM fedora:33
 
 RUN curl -sSL -o /etc/yum.repos.d/yarn.repo https://dl.yarnpkg.com/rpm/yarn.repo \
   && dnf -y --setopt=install_weak_deps=False install \
     python3-ldap \
     python3-mysql \
     python3-pip \
+    python3-setuptools \
     python3-xmlsec \
     uwsgi \
     yarn \
diff --git a/pdns-recursor/Dockerfile b/pdns-recursor/Dockerfile
index 8fb0529..4c6d1e0 100644
--- a/pdns-recursor/Dockerfile
+++ b/pdns-recursor/Dockerfile
@@ -1,8 +1,9 @@
-FROM fedora:32
+FROM fedora:33
 
 RUN dnf -y --setopt=install_weak_deps=False install \
     pdns-recursor \
     python3-pip \
+    python3-setuptools \
   && dnf clean all
 
 RUN pip3 install --no-cache-dir envtpl
diff --git a/pdns-recursor/Dockerfile.alpine b/pdns-recursor/Dockerfile.alpine
index a6a0f32..13269e0 100644
--- a/pdns-recursor/Dockerfile.alpine
+++ b/pdns-recursor/Dockerfile.alpine
@@ -1,4 +1,4 @@
-FROM alpine:3.12
+FROM alpine:3.13
 
 RUN apk add --no-cache \
     pdns-recursor \
@@ -12,7 +12,7 @@ RUN mkdir -p /etc/pdns/api.d \
   && mkdir -p /var/run/pdns-recursor \
   && chown -R recursor: /var/run/pdns-recursor
 
-ENV VERSION=4.3 \
+ENV VERSION=4.4 \
   PDNS_setuid=recursor \
   PDNS_setgid=recursor \
   PDNS_daemon=no
diff --git a/pdns/Dockerfile b/pdns/Dockerfile
index 2c797d2..a579846 100644
--- a/pdns/Dockerfile
+++ b/pdns/Dockerfile
@@ -1,4 +1,4 @@
-FROM fedora:32
+FROM fedora:33
 
 RUN sed -i '/tsflags=nodocs/d' /etc/dnf/dnf.conf \
   && dnf -y --setopt=install_weak_deps=False install \
@@ -7,11 +7,12 @@ RUN sed -i '/tsflags=nodocs/d' /etc/dnf/dnf.conf \
     pdns \
     pdns-backend-mysql \
     python3-pip \
+    python3-setuptools \
   && dnf clean all
 
 RUN pip3 install --no-cache-dir envtpl
 
-ENV VERSION=4.3 \
+ENV VERSION=4.4 \
   PDNS_guardian=yes \
   PDNS_setuid=pdns \
   PDNS_setgid=pdns \
diff --git a/pdns/Dockerfile.alpine b/pdns/Dockerfile.alpine
index ed06c4b..9ee297e 100644
--- a/pdns/Dockerfile.alpine
+++ b/pdns/Dockerfile.alpine
@@ -1,4 +1,4 @@
-FROM alpine:3.12
+FROM alpine:3.13
 
 RUN apk add --no-cache \
     mariadb-client \
@@ -10,7 +10,7 @@ RUN apk add --no-cache \
 
 RUN pip3 install --no-cache-dir envtpl
 
-ENV VERSION=4.2 \
+ENV VERSION=4.3 \
   PDNS_guardian=yes \
   PDNS_setuid=pdns \
   PDNS_setgid=pdns \