diff --git a/CHANGES b/CHANGES
index c25c76c..1e41212 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+1.18.6
+______
+- Raise `FileTooLargeError` on analyzing file that is too large.
+
 1.18.5
 ______
 - Fix URL analysis report bug.
diff --git a/intezer_sdk/__init__.py b/intezer_sdk/__init__.py
index dfcd902..7002b98 100644
--- a/intezer_sdk/__init__.py
+++ b/intezer_sdk/__init__.py
@@ -1 +1 @@
-__version__ = '1.18.5'
+__version__ = '1.18.6'
diff --git a/intezer_sdk/_api.py b/intezer_sdk/_api.py
index 1740ce2..2f0fcba 100644
--- a/intezer_sdk/_api.py
+++ b/intezer_sdk/_api.py
@@ -727,6 +727,8 @@ def _param_initialize(disable_dynamic_unpacking: bool,
     def _assert_analysis_response_status_code(response: Response):
         if response.status_code == HTTPStatus.NOT_FOUND:
             raise errors.HashDoesNotExistError(response)
+        elif response.status_code == HTTPStatus.REQUEST_ENTITY_TOO_LARGE:
+            raise errors.FileTooLargeError(response)
         elif response.status_code == HTTPStatus.CONFLICT:
             running_analysis_id = response.json().get('result', {}).get('analysis_id')
             raise errors.AnalysisIsAlreadyRunningError(response, running_analysis_id)
diff --git a/intezer_sdk/errors.py b/intezer_sdk/errors.py
index dd75042..2d5d612 100644
--- a/intezer_sdk/errors.py
+++ b/intezer_sdk/errors.py
@@ -56,6 +56,9 @@ class HashDoesNotExistError(ServerError):
     def __init__(self, response: requests.Response):
         super().__init__('Hash was not found', response)
 
+class FileTooLargeError(ServerError):
+    def __init__(self, response: requests.Response):
+        super().__init__('File is too large', response)
 
 class ReportDoesNotExistError(IntezerError):
     def __init__(self):
diff --git a/tests/unit/test_file_analysis.py b/tests/unit/test_file_analysis.py
index 36239df..b51f36e 100644
--- a/tests/unit/test_file_analysis.py
+++ b/tests/unit/test_file_analysis.py
@@ -541,6 +541,17 @@ def test_send_analysis_by_sha256_that_dont_exist_raise_error(self):
             with self.assertRaises(errors.HashDoesNotExistError):
                 analysis.send()
 
+    def test_send_analysis_by_sha256_that_is_too_large_raise_error(self):
+        # Arrange
+        with responses.RequestsMock() as mock:
+            mock.add('POST',
+                     url=f'{self.full_url}/analyze-by-hash',
+                     status=HTTPStatus.REQUEST_ENTITY_TOO_LARGE)
+            analysis = FileAnalysis(file_hash='a' * 64)
+            # Act + Assert
+            with self.assertRaises(errors.FileTooLargeError):
+                analysis.send()
+
     def test_send_analysis_by_sha256_with_expired_jwt_token_gets_new_token(self):
         # Arrange
         analysis = FileAnalysis(file_hash='a' * 64)
@@ -565,7 +576,7 @@ def request_callback(request):
             analysis.send()
             self.assertEqual(3, len(mock.calls))  # analyze -> refresh access_token -> analyze retry
 
-    def test_send_analysis_by_sha256_with_expired_jwt_token_doesnt_loop_indefinitley(self):
+    def test_send_analysis_by_sha256_with_expired_jwt_token_doesnt_loop_indefinitely(self):
         # Arrange
         with responses.RequestsMock() as mock:
             mock.add('POST', url=f'{self.full_url}/analyze-by-hash', status=HTTPStatus.UNAUTHORIZED)