diff --git a/shallow-server/Dockerfile b/shallow-server/Dockerfile
index 593878a5..f8fc69ed 100644
--- a/shallow-server/Dockerfile
+++ b/shallow-server/Dockerfile
@@ -17,6 +17,10 @@ RUN apt-get update && \
     apt-get autoremove -y && apt-get autoclean && apt-get clean && \
     rm -rf /tmp/* /var/tmp/* /var/lib/apt/lists/*
 
+# Use git version from bullseye-backports to work around an issue on self-hosted runner
+RUN echo "deb http://deb.debian.org/debian bullseye-backports main contrib non-free" >> /etc/apt/sources.list && \
+    apt-get update && apt-get -t bullseye-backports install git -y
+
 COPY opcache-recommended.ini /usr/local/etc/php/conf.d/
 
 WORKDIR /var/www/html