diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index d8297a7..2a8e85d 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -19,8 +19,12 @@ dependencies = [
 ]
 
 [project.optional-dependencies]
-dev = [
-    "httpx==0.28.1",
+lints = [
+    "bandit==1.8.6",
+    "mypy==1.18.2",
+    "ruff==0.14.4",
+]
+tests = [
     "pytest==8.4.2",
     "pytest-asyncio==1.2.0",
     "pytest-benchmark==5.2.1",
@@ -28,11 +32,6 @@ dev = [
     "pytest-mock==3.15.1",
     "pytest-xdist==3.8.0",
 ]
-lints = [
-    "bandit==1.8.6",
-    "mypy==1.18.2",
-    "ruff==0.14.4",
-]
 
 [tool.pytest.ini_options]
 asyncio_mode = "auto"