diff --git a/argos/server/routes/views.py b/argos/server/routes/views.py
index 4029c0e..f2ef269 100644
--- a/argos/server/routes/views.py
+++ b/argos/server/routes/views.py
@@ -168,5 +168,7 @@ async def set_refresh_cookies_view(
         status_code=status.HTTP_303_SEE_OTHER,
     )
     response.set_cookie(key="auto_refresh_enabled", value=auto_refresh_enabled)
-    response.set_cookie(key="auto_refresh_seconds", value=int(auto_refresh_seconds))
+    response.set_cookie(
+        key="auto_refresh_seconds", value=max(5, int(auto_refresh_seconds))
+    )
     return response
diff --git a/argos/server/templates/index.html b/argos/server/templates/index.html
index 35b2fe0..1794899 100644
--- a/argos/server/templates/index.html
+++ b/argos/server/templates/index.html
@@ -26,7 +26,7 @@
                                      name="auto_refresh_seconds"
                                      type="number"
                                      form="refresh-form"
-                                     min="1"
+                                     min="5"
                                      value="{{ auto_refresh_seconds }}"> seconds
                     </label>
                 </li>