diff --git a/pkgs/development/python-modules/aws-sam-translator/default.nix b/pkgs/development/python-modules/aws-sam-translator/default.nix
index edd0e9426506..215ce6152e90 100644
--- a/pkgs/development/python-modules/aws-sam-translator/default.nix
+++ b/pkgs/development/python-modules/aws-sam-translator/default.nix
@@ -5,16 +5,19 @@
 , jsonschema
 , mock
 , parameterized
+, pydantic
 , pytest-env
+, pytest-rerunfailures
+, pytest-xdist
 , pytestCheckHook
 , pythonOlder
 , pyyaml
-, six
+, typing-extensions
 }:
 
 buildPythonPackage rec {
   pname = "aws-sam-translator";
-  version = "1.47.0";
+  version = "1.55.0";
   format = "setuptools";
 
   disabled = pythonOlder "3.6";
@@ -23,13 +26,14 @@ buildPythonPackage rec {
     owner = "aws";
     repo = "serverless-application-model";
     rev = "refs/tags/v${version}";
-    sha256 = "sha256-FYEJ+mMxb8+OXUVeyLbAqOnujNi/wNhvAl4Lh4ZeE0I=";
+    sha256 = "sha256-YDqdd4zKInttHDl04kvAgHKtc1vBryW12QfE0wiLU54=";
   };
 
   propagatedBuildInputs = [
     boto3
     jsonschema
-    six
+    pydantic
+    typing-extensions
   ];
 
   postPatch = ''
@@ -43,6 +47,8 @@ buildPythonPackage rec {
     mock
     parameterized
     pytest-env
+    pytest-rerunfailures
+    pytest-xdist
     pytestCheckHook
     pyyaml
   ];
@@ -52,6 +58,16 @@ buildPythonPackage rec {
     "test_errors_13_error_definitionuri"
   ];
 
+  pytestFlagsArray = [
+    # samtranslator.translator.arn_generator.NoRegionFound: AWS Region cannot be found
+    "--deselect tests/plugins/application/test_serverless_app_plugin.py::TestServerlessAppPlugin_on_before_transform_template_translate::test_sar_success_one_app"
+    "--deselect tests/plugins/application/test_serverless_app_plugin.py::TestServerlessAppPlugin_on_before_transform_template_translate::test_sar_throttling_doesnt_stop_processing"
+    "--deselect tests/plugins/application/test_serverless_app_plugin.py::TestServerlessAppPlugin_on_before_transform_template_translate::test_sleep_between_sar_checks"
+    "--deselect tests/plugins/application/test_serverless_app_plugin.py::TestServerlessAppPlugin_on_before_transform_template_translate::test_unexpected_sar_error_stops_processing"
+    "--deselect tests/plugins/application/test_serverless_app_plugin.py::TestServerlessAppPlugin_on_before_and_on_after_transform_template::test_time_limit_exceeds_between_combined_sar_calls"
+    "--deselect tests/unit/test_region_configuration.py::TestRegionConfiguration::test_is_service_supported_positive_4_ec2"
+  ];
+
   pythonImportsCheck = [
     "samtranslator"
   ];