diff --git a/.gitea/workflows/build_ci.yml b/.gitea/workflows/build_ci.yml
index d2371fc..9f20ac5 100644
--- a/.gitea/workflows/build_ci.yml
+++ b/.gitea/workflows/build_ci.yml
@@ -10,9 +10,23 @@ on:
 
 jobs:
   docker:
+    # see on runner /data/.runner to add label (test=test:docker://debian:bullseye)
+    # {
+    #   "WARNING": "This file is automatically generated by act-runner. Do not edit it manually unless you know what you are doing. Removing this file will cause act runner to re-register as a new runner.",
+    #   "id": 9,
+    #   "uuid": "e04db9c5-f946-42cd-b214-0d68c582963a",
+    #   "name": "runner",
+    #   "token": "2ea869667116ea107d0607ec043b6a00fd2b96e8",
+    #   "address": "https://gitea.jingoh.fr",
+    #   "labels": [
+    #     "ubuntu-latest:docker://node:16-bullseye",
+    #     "ubuntu-22.04:docker://node:16-bullseye",
+    #     "ubuntu-20.04:docker://node:16-bullseye",
+    #     "ubuntu-18.04:docker://node:16-buster",
+    #     "test:docker://debian:bullseye"
+    #   ]
+    # }
     runs-on: test
-    #runs-on: ubuntu-latest:docker://node:16-bullseye
-    #runs-on: ubuntu-latest:docker://debian:bullseye
     steps:
 
       - name: Print version and repository
@@ -21,7 +35,7 @@ jobs:
       - name: Install Docker engine
         run:  |
           apt-get update
-          apt-get -y install curl dnsutils 
+          apt-get -y install ca-certificates curl gnupg dnsutils
           install -m 0755 -d /etc/apt/keyrings
           curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg
           chmod a+r /etc/apt/keyrings/docker.gpg