diff --git a/Dockerfile b/Dockerfile
index ccef258..1cfdf23 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -33,7 +33,8 @@ RUN echo -n 'INPUT ( libldap.so )' > /usr/lib/libldap_r.so
 
 # Install Python dependencies in virtual environment
 RUN /venv/bin/pip install --no-cache-dir --upgrade pip && \
-    /venv/bin/pip install --no-cache-dir python-ldap xmlsec
+    /venv/bin/pip install --no-cache-dir python-ldap xmlsec && \
+    /venv/bin/pip install --no-cache-dir -r requirements.txt
 
 # Create user and set permissions
 RUN adduser -D -u 1000 tandoor && \