diff --git a/2026-PACT/docker/Dockerfile.spawn b/2026-PACT/docker/Dockerfile.spawn
index 3d0d78c..bcd16ac 100644
--- a/2026-PACT/docker/Dockerfile.spawn
+++ b/2026-PACT/docker/Dockerfile.spawn
@@ -14,10 +14,13 @@ RUN dnf install -y --setopt=install_weak_deps=False \
     ca-certificates \
     bind-utils \
     iputils \
-    tini && \
     dnf clean all && \
     rm -rf /var/cache/dnf
 
+ENV TINI_VERSION v0.19.0
+ADD https://github.com{TINI_VERSION}/tini /usr/bin/tini
+RUN chmod +x /usr/bin/tini
+
 SHELL [ "/bin/bash", "-c" ]
 
 #RUN . /opt/global_py_venv/bin/activate && \
@@ -48,6 +51,6 @@ ENV SHELL=/usr/bin/bash
 ENV FLUX_URI_RESOLVE_LOCAL=t
 
 EXPOSE 8888
-ENTRYPOINT [ "tini", "--" ]
+ENTRYPOINT [ "/usr/bin/tini", "--" ]
 
 CMD ["flux", "start", "jupyter", "lab"]