diff --git a/act-runners/fatboy/Dockerfile b/act-runners/fatboy/Dockerfile
index a822ccf..f2e1b95 100644
--- a/act-runners/fatboy/Dockerfile
+++ b/act-runners/fatboy/Dockerfile
@@ -46,15 +46,15 @@ RUN HELM_VERSION=$(curl -s https://api.github.com/repos/helm/helm/releases/lates
 
 # BUILDKIT
 ENV BUILDKIT_VERSION=v0.28.0
+
 # Install full BuildKit (buildkitd + buildctl + rootlesskit)
 RUN curl -L "https://github.com/moby/buildkit/releases/download/${BUILDKIT_VERSION}/buildkit-${BUILDKIT_VERSION}.linux-amd64.tar.gz" \
     | tar -xz -C /usr/local/bin --strip-components=1
 
-# Rootless dependencies
+# Rootless dependencies for Alpine
 RUN apk add --no-cache \
     fuse-overlayfs \
     slirp4netns \
-    shadow \
-    uidmap
+    shadow
 
 ###################
\ No newline at end of file