diff --git a/app/static/wordfreqapp.db b/app/static/wordfreqapp.db
deleted file mode 100644
index c6f3101..0000000
Binary files a/app/static/wordfreqapp.db and /dev/null differ
diff --git a/build.sh b/build.sh
index e313fce..3b14f39 100755
--- a/build.sh
+++ b/build.sh
@@ -15,7 +15,7 @@ sudo docker rm EnglishPal
 sudo docker build -t englishpal .
 
 # Run the application
-sudo docker run --restart=always -d --name EnglishPal -p 90:80 -v ${DEPLOYMENT_DIR}/app/static/frequency:/app/static/frequency -v ${DEPLOYMENT_DIR}/app/static/:/app/static/ -t englishpal  # for permanently saving data
+sudo docker run --restart=always -d --name EnglishPal -p 90:80 -v ${DEPLOYMENT_DIR}/app/static/frequency:/app/static/frequency -v ${DEPLOYMENT_DIR}/app/static:/app/static --mount type=volume,src=englishpal-db,target=/app -t englishpal  # for permanently saving data
 
 # Save space.  Run it after sudo docker run
 sudo docker system prune -a -f
diff --git a/requirements.txt b/requirements.txt
index 8018227..35eb17c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Flask==2.3.2
+Flask==2.0.3
 selenium==3.141.0
 PyYAML~=6.0
 pony==0.7.16