diff --git a/images/actions/act/Dockerfile b/images/actions/act/Dockerfile
index 2b0cc40..0984355 100644
--- a/images/actions/act/Dockerfile
+++ b/images/actions/act/Dockerfile
@@ -1,7 +1,7 @@
 FROM alpine:latest
 
 RUN apk add --update --no-cache \
-sudo ca-certificates openssl openssh-client \
+bash sudo ca-certificates openssl openssh-client \
 git git-lfs wget curl \
 zip unzip xz zstd \
 nodejs python3 py3-pip