diff --git a/odoo/odoo/Dockerfile b/odoo/odoo/Dockerfile
index 03fd9b3..1f8d4bc 100644
--- a/odoo/odoo/Dockerfile
+++ b/odoo/odoo/Dockerfile
@@ -9,7 +9,7 @@ RUN apt-get update \
         python-dev python-setuptools python-pip nodejs npm
 
 # Install NPM dependencies
-RUN npm install -g less less-plugin-clean-css
+RUN npm install -g less@2 less-plugin-clean-css
 
 # PostgreSQL 9.5
 RUN echo "deb http://apt.postgresql.org/pub/repos/apt/ jessie-pgdg main 9.5" \
diff --git a/odoo/odoo/Dockerfile.10 b/odoo/odoo/Dockerfile.10
index aae5756..3aa6586 100644
--- a/odoo/odoo/Dockerfile.10
+++ b/odoo/odoo/Dockerfile.10
@@ -16,7 +16,7 @@ RUN apt-get update \
 # Handle Node PATH
 RUN ln -s /usr/bin/nodejs /usr/bin/node
 # Install NPM dependencies
-RUN npm install -g less less-plugin-clean-css
+RUN npm install -g less@2 less-plugin-clean-css
 
 # PostgreSQL 9.6
 RUN echo "deb http://apt.postgresql.org/pub/repos/apt/ jessie-pgdg main 9.6" \
diff --git a/odoo/odoo/Dockerfile.9 b/odoo/odoo/Dockerfile.9
index 004c7a2..45d57a8 100644
--- a/odoo/odoo/Dockerfile.9
+++ b/odoo/odoo/Dockerfile.9
@@ -11,7 +11,7 @@ RUN apt-get update \
 # Handle Node PATH
 RUN ln -s /usr/bin/nodejs /usr/bin/node
 # Install NPM dependencies
-RUN npm install -g less less-plugin-clean-css
+RUN npm install -g less@2 less-plugin-clean-css
 
 # PostgreSQL 9.5
 RUN echo "deb http://apt.postgresql.org/pub/repos/apt/ jessie-pgdg main 9.5" \