diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index ec93bd2..2d06464 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -4,7 +4,7 @@ version = "0.1.6"
 description = "FastAPI backend for TaskBridge"
 requires-python = ">=3.11"
 dependencies = [
-    "alembic>=1.13,<2.0",
+    "alembic>=1.18.5,<2.0",
     "fastapi>=0.115,<1.0",
     "passlib[bcrypt]>=1.7,<2.0",
     "pydantic>=2.9,<3.0",
diff --git a/backend/requirements.txt b/backend/requirements.txt
index d3cbd26..7b51b32 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,4 +1,4 @@
-alembic>=1.13,<2.0
+alembic>=1.18.5,<2.0
 fastapi>=0.115,<1.0
 passlib[bcrypt]>=1.7,<2.0
 bcrypt>=3.2,<4.0