diff --git a/pkgs/development/tools/aws-sam-cli/default.nix b/pkgs/development/tools/aws-sam-cli/default.nix
index 45c3e4c62a7a..3b6c702912fb 100644
--- a/pkgs/development/tools/aws-sam-cli/default.nix
+++ b/pkgs/development/tools/aws-sam-cli/default.nix
@@ -11,7 +11,7 @@
 python3.pkgs.buildPythonApplication rec {
   pname = "aws-sam-cli";
   version = "1.108.0";
-  format = "pyproject";
+  pyproject = true;
 
   disabled = python3.pythonOlder "3.8";
 
@@ -28,16 +28,16 @@ python3.pkgs.buildPythonApplication rec {
   ];
 
   pythonRelaxDeps = [
+    "aws-lambda-builders"
     "aws-sam-translator"
     "boto3-stubs"
     "cfn-lint"
-    "tzlocal"
     "cookiecutter"
     "docker"
-    "aws-lambda-builders"
-    "tomlkit"
-    "rich"
     "jsonschema"
+    "rich"
+    "tomlkit"
+    "tzlocal"
   ];
 
   propagatedBuildInputs = with python3.pkgs; [
@@ -86,8 +86,6 @@ python3.pkgs.buildPythonApplication rec {
       --prefix PATH : $out/bin:${lib.makeBinPath [ git ]}
   '';
 
-  doCheck = true;
-
   nativeCheckInputs = with python3.pkgs; [
     filelock
     flaky
@@ -105,22 +103,27 @@ python3.pkgs.buildPythonApplication rec {
 
   pytestFlagsArray = [
     "tests"
-
-    # Disable tests that requires networking or complex setup
-    "--ignore=tests/end_to_end"
-    "--ignore=tests/integration"
-    "--ignore=tests/regression"
-    "--ignore=tests/smoke"
-    "--ignore=tests/unit/lib/telemetry"
-
-    # Disable flaky tests
-    "--ignore=tests/unit/lib/samconfig/test_samconfig.py"
-    "--deselect=tests/unit/lib/sync/flows/test_rest_api_sync_flow.py::TestRestApiSyncFlow::test_update_stage"
-    "--deselect=tests/unit/lib/sync/flows/test_rest_api_sync_flow.py::TestRestApiSyncFlow::test_delete_deployment"
-    "--deselect=tests/unit/local/lambda_service/test_local_lambda_invoke_service.py::TestValidateRequestHandling::test_request_with_no_data"
-
     # Disable warnings
-    "-W ignore::DeprecationWarning"
+    "-W"
+    "ignore::DeprecationWarning"
+  ];
+
+  disabledTestPaths = [
+    # Disable tests that requires networking or complex setup
+    "tests/end_to_end"
+    "tests/integration"
+    "tests/regression"
+    "tests/smoke"
+    "tests/unit/lib/telemetry"
+    # Disable flaky tests
+    "tests/unit/lib/samconfig/test_samconfig.py"
+  ];
+
+  disabledTests = [
+    # Disable flaky tests
+    "test_update_stage"
+    "test_delete_deployment"
+    "test_request_with_no_data"
   ];
 
   pythonImportsCheck = [