diff --git a/Dockerfile b/Dockerfile
index fc2ad5f..b219c44 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
-FROM alpine:3.9
+FROM alpine:3.13
 MAINTAINER Christoph Wiechert <wio@psitrax.de>
 
-ENV POWERDNS_VERSION=4.3.1 \
+ENV POWERDNS_VERSION=4.4.1 \
     MYSQL_DEFAULT_AUTOCONF=true \
     MYSQL_DEFAULT_HOST="mysql" \
     MYSQL_DEFAULT_PORT="3306" \
@@ -20,9 +20,7 @@ RUN apk --update add bash libpq sqlite-libs libstdc++ libgcc mariadb-client mari
     mkdir -p /etc/pdns/conf.d && \
     addgroup -S pdns 2>/dev/null && \
     adduser -S -D -H -h /var/empty -s /bin/false -G pdns -g pdns pdns 2>/dev/null && \
-    cp /usr/lib/libboost_program_options-mt.so* /tmp && \
     apk del --purge build-deps && \
-    mv /tmp/lib* /usr/lib/ && \
     rm -rf /tmp/pdns-$POWERDNS_VERSION /var/cache/apk/*
 
 ADD schema.sql pdns.conf /etc/pdns/
diff --git a/README.md b/README.md
index 8ae2f40..f459888 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@
 
 ## Supported tags
 
-* Exact: i.e. `4.3.1`: PowerDNS Version 4.3.1
+* Exact: i.e. `4.4.1`: PowerDNS Version 4.4.1
 * `4.0`: PowerDNS Version 4.0.x, latest image build
 * `4`: PowerDNS Version 4.x.x, latest image build