diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index 7635429..c656eb9 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -13,7 +13,7 @@ dependencies = [
      "rdkit==2025.9.3",
     "numpy",
     "Pillow",
-    "celery==5.3.4",
+    "celery==5.6.3",
     "redis==5.0.1",
     "python-jose==3.3.0",
     "passlib==1.7.4",
diff --git a/backend/requirements.txt b/backend/requirements.txt
index ee9938b..2fb4d98 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -15,7 +15,7 @@ numpy
 Pillow
 
 # Task Queue
-celery==5.3.4
+celery==5.6.3
 redis==5.0.1
 
 # Authentication