diff --git a/.drone.yaml b/.drone.yaml
index 17ebeea..d0f67c9 100644
--- a/.drone.yaml
+++ b/.drone.yaml
@@ -19,7 +19,7 @@ steps:
     registry: 'cr.simoncor.net'
     cache_from: 'siempie/ansible-deployment'
     repo: 'cr.simoncor.net/siempie/ansible-deployment'
-    mtu: '1400'
+    mtu: '1440'
 
     # build stuff
     dockerfile: 'Dockerfile.linux.amd64'
diff --git a/Dockerfile.linux.amd64 b/Dockerfile.linux.amd64
index 2736661..b4ab6d6 100644
--- a/Dockerfile.linux.amd64
+++ b/Dockerfile.linux.amd64
@@ -36,8 +36,11 @@ RUN pip3 install --use-pep517 --ignore-installed --break-system-packages \
   ansible-lint==${ANSIBLE_LINT_VERSION} \
   yamllint==${YAMLLINT_VERSION}
 
+# download collections
+RUN wget https://galaxy.ansible.com/api/v3/plugin/ansible/content/published/collections/artifacts/ansible-posix-1.5.4.tar.gz /tmp/ansible-posix.tar.gz
+
 # install ansible collections
-RUN ansible-galaxy collection install ansible.posix
+RUN ansible-galaxy collection install /tmp/ansible-posix.tar.gz
 RUN ansible-galaxy collection install community.docker
 RUN ansible-galaxy collection install community.general
 RUN ansible-galaxy collection install community.mysql