diff --git a/Dockerfile b/Dockerfile
index 81856f3..f1b8ae0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,8 @@ RUN apt-get update \
   && apt-get install -y \
     lib32stdc++6 \
     printer-driver-cups-pdf \
-    iputils-ping
+    iputils-ping \
+    dnsutils
 
 RUN dpkg --add-architecture i386 \
   && dpkg -i $BROTHER_HLL3230CDW_DRIVER