diff --git a/setup.cfg b/setup.cfg
index 91f4bba3b..0103796b1 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -45,7 +45,7 @@ install_requires =
     flask-fs2[swift, s3]==0.7.27
     flask-jwt-extended==4.7.1
     flask-migrate==4.0.7
-    flask-socketio==5.4.1
+    flask-socketio==5.5.0
     flask==3.1.0
     gazu==0.10.21
     gevent-websocket==0.10.1
@@ -70,7 +70,7 @@ install_requires =
     pysaml2==7.5.0
     python-nomad==2.0.1
     python-slugify==8.0.4
-    python-socketio==5.11.4
+    python-socketio==5.12.0
     pytz==2024.2
     redis==5.2.1
     requests==2.32.3
@@ -97,7 +97,7 @@ dev =
     wheel
 
 test =
-    fakeredis==2.26.1
+    fakeredis==2.26.2
     mixer==7.2.2
     pytest-cov==6.0.0
     pytest==8.3.4
diff --git a/zou/app/services/preview_files_service.py b/zou/app/services/preview_files_service.py
index 85b683190..f6fa74bb5 100644
--- a/zou/app/services/preview_files_service.py
+++ b/zou/app/services/preview_files_service.py
@@ -101,7 +101,7 @@ def get_preview_file_fps(project, entity=None):
     if entity is not None:
         entity_data = entity.get("data", {}) or {}
         if entity_data.get("fps", None) is not None:
-            fps = entity_data["fps"].replace(",", ".")
+            fps = str(entity_data["fps"]).replace(",", ".")
 
     return "%.3f" % float(fps)