diff --git a/images/actions/act/Dockerfile b/images/actions/act/Dockerfile
index 619346e..8efcba9 100644
--- a/images/actions/act/Dockerfile
+++ b/images/actions/act/Dockerfile
@@ -6,7 +6,7 @@ git git-lfs wget curl \
 zip unzip xz zstd \
 nodejs python3 py3-pip
 
-RUN adduser -S runner
+RUN adduser -S runner -G docker
 RUN echo "runner   ALL=(ALL:ALL) NOPASSWD:ALL" > /etc/sudoers.d/runner
 RUN rc-update add docker boot