diff --git a/scripts/start-agent.sh b/scripts/start-agent.sh
index 84381ba..b978ef4 100644
--- a/scripts/start-agent.sh
+++ b/scripts/start-agent.sh
@@ -32,7 +32,7 @@ pip install \
     git+https://gitea.oopsapi.com/yhydev/myscripts.git \
     prefect_shell \
     freqtrade \
-    prefect;
+    prefect==3.6.5.dev3;
 if [ ! -d $WORKING_DIR/user_data ]; then
 freqtrade create-userdir --userdir $WORKING_DIR/user_data;
 fi