diff --git a/backend/Dockerfile b/backend/Dockerfile
index bdb5a84..32bb1d1 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -11,7 +11,7 @@ COPY pyproject.toml pyproject.toml
 
 # Workaround for https://github.com/scoder/lupa/issues/222
 RUN pip3 install Cython && \
-    pip3 install lupa --global-option="--with-cython"
+    pip3 install lupa==1.14.1 --global-option="--with-cython"
 
 
 COPY tuber tuber
@@ -46,4 +46,4 @@ USER tuber
 FROM build as release
 RUN rm -rf /usr/local/lib/python3.11/site-packages/pip \
     rm -rf /usr/local/lib/python3.11/site-packages/setuptools
-USER tuber
\ No newline at end of file
+USER tuber