diff --git a/projects/docker/Dockerfile b/projects/docker/Dockerfile
index 24b814bed562fee5cae98bc2fb2c9066eaa22980..193d8f689358986c745716237fad96b0ee990624 100644
--- a/projects/docker/Dockerfile
+++ b/projects/docker/Dockerfile
@@ -64,7 +64,7 @@ ARG ADD_DEV
 RUN set -e pipefail; \
     if test xYES = x`echo ${ADD_DEV} | tr '[:lower:]' '[:upper:]'`; then \
       apt-get update -y; \
-      apt-get install -y emacs; \
+      apt-get install -y emacs less; \
       pip install pylint black; \
       apt-get purge -y --auto-remove pip; \
     fi