diff --git a/odoo-tecnativa/lib/common b/odoo-tecnativa/lib/common
index 3b84d86..482d825 100644
--- a/odoo-tecnativa/lib/common
+++ b/odoo-tecnativa/lib/common
@@ -9,3 +9,18 @@ get_odoo_uid() {
     info "openerp uid from ${DARKYELLOW}$SERVICE_NAME${NORMAL} is '$odoo_uid'"
     echo "$odoo_uid"
 }
+
+get_odoo_version() {
+    local odoo_version
+    odoo_version=$(cached_cmd_on_base_image "$SERVICE_NAME" \
+        "python -c 'import odoo; print(odoo.cli.server.__version__)'"
+    ) || {
+        debug "Failed to query for odoo version in ${DARKYELLOW}$SERVICE_NAME${NORMAL} base image."
+        return 1
+    }
+    info "odoo version from ${DARKYELLOW}$SERVICE_NAME${NORMAL} is '$odoo_version'"
+    echo "${odoo_version%%.*}"
+}
+export -f get_odoo_version
+
+
diff --git a/odoo-tecnativa/metadata.yml b/odoo-tecnativa/metadata.yml
index ee13bf5..0d7a64d 100644
--- a/odoo-tecnativa/metadata.yml
+++ b/odoo-tecnativa/metadata.yml
@@ -14,7 +14,7 @@ docker-compose:
   tty: true
   environment:
     INITIAL_LANG: fr_FR
-    LIST_DB: 'true'
+    LIST_DB: "true"
 
 default-options:
   workers: 1
@@ -63,9 +63,16 @@ uses:
         - !bash-stdout |
           workers=$(relation-base-compose-get workers 2>/dev/null)
           workers=${workers:-1}
+          version=$(cached_cmd_on_base_image "$MASTER_BASE_SERVICE_NAME" \
+                    "python -c 'import odoo; print(odoo.cli.server.__version__)'") || exit 1
           if [ "$workers" -gt 1 ]; then
-              echo "ProxyPass /longpolling/ http://${MASTER_BASE_SERVICE_NAME}:8072/longpolling/"
-              echo "ProxyPassReverse /longpolling/ http://${MASTER_BASE_SERVICE_NAME}:8072/longpolling/"
+              if [ "${version%.*}" -lt 15 ]; then
+                  echo "ProxyPass /longpolling/ http://${MASTER_BASE_SERVICE_NAME}:8072/longpolling/"
+                  echo "ProxyPassReverse /longpolling/ http://${MASTER_BASE_SERVICE_NAME}:8072/longpolling/"
+              else
+                  echo "ProxyPass /websocket ws://${MASTER_BASE_SERVICE_NAME}:8072/websocket"
+                  echo "ProxyPassReverse /websocket ws://${MASTER_BASE_SERVICE_NAME}:8072/websocket"
+              fi
           fi
   backup:
     constraint: recommended
@@ -81,7 +88,6 @@ uses:
       ##  - must start with a '/', will start from $SERVICE_DATASTORE
       exclude-patterns:
         - "/var/lib/odoo/sessions/"
-
 # network-isolation:
 #   whitelist:  ## required external services used by this service
 #     - www.google.com