diff --git a/Dockerfile b/Dockerfile
index f26f00b..ab0df2b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -24,6 +24,13 @@ RUN ["bash", "-exo", "pipefail", "-c", "\
     apt clean all ; \
     rm -vrf /var/lib/apt/lists/* "]
 
+## install feature requirements for checks
+RUN ["bash", "-exo", "pipefail", "-c", "\
+apt update ; \
+apt-get install -y python3-easysnmp python3-nagiosplugin ; \
+apt clean all ; \
+rm -vrf /var/lib/apt/lists/* "]
+
 ## create persistend data store
 RUN ["bash", "-exo", "pipefail", "-c", "\
     mkdir -p /var/lib/icinga2/certs ; \