diff --git a/Dockerfile b/Dockerfile
index d398d62d70a219a1b7716e784121bd9b74fb8a99..b64058cf004c202afd8d42a2491e4618336f0511 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,7 +13,7 @@ RUN apk --no-cache add python3 && \
 FROM registry.cyberbrain.pw/docker/alpine:latest AS runtime
 ENV PATH="/opt/ansible/bin:$PATH"
 WORKDIR /srv/ansible
-RUN apk --no-cache add python3 openssl ca-certificates sshpass openssh-client rsync git && \
+RUN apk --no-cache add python3 py3-yaml openssl ca-certificates sshpass openssh-client rsync git && \
     rm -rf /var/cache/apk/*
 COPY --from=builder /opt/ansible /opt/ansible
 CMD [ "ansible", "--version" ]