diff --git a/docker/entrypoint.sh b/docker/entrypoint.sh
index 245a054d..29c14e99 100644
--- a/docker/entrypoint.sh
+++ b/docker/entrypoint.sh
@@ -6,7 +6,46 @@ mkdir -p /data/db /var/log/mongodb /var/run/mongodb
 chown -R mongodb:mongodb /data/db /var/log/mongodb /var/run/mongodb
 chmod 755 /data/db /var/log/mongodb /var/run/mongodb
 
-# Start MongoDB
+# Check if we need to migrate from MongoDB 5.0
+if [ -f "/data/db/diagnostic.data/metrics.2" ] || [ -f "/data/db/WiredTiger.wt" ]; then
+    echo "Existing MongoDB data detected, checking version..."
+    
+    # Start MongoDB temporarily with --repair to handle version mismatch
+    gosu mongodb mongod --dbpath $MONGODB_DATA_DIR --logpath $MONGODB_LOG_DIR/mongodb.log --repair
+    
+    # Start MongoDB with specific options for migration
+    echo "Starting MongoDB for migration..."
+    gosu mongodb mongod --dbpath $MONGODB_DATA_DIR --logpath $MONGODB_LOG_DIR/mongodb.log --bind_ip 0.0.0.0 &
+    MONGO_PID=$!
+    
+    # Wait for MongoDB to be ready
+    echo "Waiting for MongoDB to start for migration..."
+    until gosu mongodb mongo --eval "print(\"waited for connection\")" > /dev/null 2>&1; do
+        sleep 1
+        if ! kill -0 $MONGO_PID 2>/dev/null; then
+            echo "MongoDB failed to start for migration. Checking logs:"
+            cat $MONGODB_LOG_DIR/mongodb.log
+            exit 1
+        fi
+    done
+    
+    echo "Setting featureCompatibilityVersion to 4.4..."
+    # Try to set featureCompatibilityVersion
+    if gosu mongodb mongo --eval 'db.adminCommand({setFeatureCompatibilityVersion: "4.4"})' > /dev/null 2>&1; then
+        echo "Successfully set featureCompatibilityVersion to 4.4"
+    else
+        echo "Failed to set featureCompatibilityVersion. Attempting repair..."
+        gosu mongodb mongod --dbpath $MONGODB_DATA_DIR --repair
+    fi
+    
+    # Stop MongoDB after migration
+    kill $MONGO_PID
+    while kill -0 $MONGO_PID 2>/dev/null; do
+        sleep 1
+    done
+fi
+
+# Start MongoDB normally
 echo "Starting MongoDB..."
 gosu mongodb mongod --dbpath $MONGODB_DATA_DIR --logpath $MONGODB_LOG_DIR/mongodb.log --bind_ip 0.0.0.0 &
 MONGO_PID=$!