diff --git a/Dockerfile b/Dockerfile
index 1cf2ca90b4f9851e153732391f3990ed188f8e34..8227782c0fbe4efaf2283ffa369862ad3533b1a7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -44,7 +44,7 @@ RUN rpm --import http://dev.monetdb.org/downloads/MonetDB-GPG-KEY
 # Update & upgrade
 RUN yum update -y
 
-ARG MonetDBVersion=11.25.21
+ARG MonetDBVersion=11.25.23
 
 # Install MonetDB server
 RUN yum install -y MonetDB-$MonetDBVersion \
diff --git a/README.md b/README.md
index e7c717aa4bd0900bdd32dbef12d4c2aa80be7543..0a2c802dd3cce7d2f341997abcaabe9495556962 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,8 @@ monetdb-r-docker
 Docker container for [MonetDB with R](https://www.monetdb.org/content/embedded-r-monetdb). Based on CentOS 7.
 
 # Supported tags and respective Dockerfile links
-* [`Dec2016-SP4`, `11.25.21`, `latest` (Dockerfile)](https://github.com/MonetDB/monetdb-r-docker/blob/dec2016-sp4/Dockerfile)
+* [`Dec2016-SP5`, `11.25.23`, `latest` (Dockerfile)](https://github.com/MonetDB/monetdb-r-docker/blob/dec2016-sp5/Dockerfile)
+* [`Dec2016-SP4`, `11.25.21`, (Dockerfile)](https://github.com/MonetDB/monetdb-r-docker/blob/dec2016-sp4/Dockerfile)
 * [`Dec2016-SP3`, `11.25.15`, (Dockerfile)](https://github.com/MonetDB/monetdb-r-docker/blob/dec2016-sp3/Dockerfile)
 * [`Dec2016-SP2`, `11.25.9`, (Dockerfile)](https://github.com/MonetDB/monetdb-r-docker/blob/dec2016-sp2/Dockerfile)
 * [`Dec2016-SP1`, `11.25.5` (Dockerfile)](https://github.com/MonetDB/monetdb-r-docker/blob/dec2016-sp1/Dockerfile)