diff --git a/images/actions/act/Dockerfile b/images/actions/act/Dockerfile
index eff3702..504e055 100644
--- a/images/actions/act/Dockerfile
+++ b/images/actions/act/Dockerfile
@@ -4,7 +4,7 @@ RUN apk add --update --no-cache \
 bash sudo ca-certificates openssl openssh-client \
 git git-lfs wget curl \
 zip unzip xz zstd jq \
-nodejs npm python3 py3-pip
+nodejs npm python3 py3-pip parallel
 
 RUN adduser -D runner \
    && echo "runner ALL=(ALL) NOPASSWD: ALL" > /etc/sudoers.d/runner \