diff --git a/Dockerfile b/Dockerfile
index 9f03c7c..13658f2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,8 +3,8 @@
 FROM alpine:3.7
 MAINTAINER Christoph Wiechert <wio@psitrax.de>
 
-ENV REFRESHED_AT="2018-11-09" \
-    POWERDNS_VERSION=4.1.5 \
+ENV REFRESHED_AT="2019-03-18" \
+    POWERDNS_VERSION=4.1.7 \
     MYSQL_AUTOCONF=true \
     MYSQL_HOST="mysql" \
     MYSQL_PORT="3306" \
diff --git a/README.md b/README.md
index 7f76047..959f41b 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@
 
 ## Supported tags
 
-* Exact: i.e. `4.1.5-r1`: PowerDNS Version 4.1.5, image build 1
+* Exact: i.e. `4.1.7`: PowerDNS Version 4.1.7
 * `4.0`: PowerDNS Version 4.0.x, latest image build
 * `4`: PowerDNS Version 4.x.x, latest image build