diff --git a/container/Dockerfile b/container/Dockerfile
index fdcbdf8..b21948b 100644
--- a/container/Dockerfile
+++ b/container/Dockerfile
@@ -31,6 +31,7 @@ COPY prime-flask-server.py requirements.txt /opt/
 
 RUN adduser -D apprunner && \
     apk add --no-cache \
+    bash=5.1.16-r2 \
     dumb-init=1.2.5-r1 && \
     pip3 install -r /opt/requirements.txt && \
     chown -R apprunner:apprunner /opt/