diff --git a/tests/handler/test_http_client.py b/tests/handler/test_http_client.py
index e6a6157..4f5cd98 100644
--- a/tests/handler/test_http_client.py
+++ b/tests/handler/test_http_client.py
@@ -34,6 +34,7 @@ def test_build_headers_default(self, http_client, patched_version_and_sys):
             "X-Nylas-API-Wrapper": "python",
             "User-Agent": "Nylas Python SDK 2.0.0 - 1.2.3",
             "Authorization": "Bearer test-key",
+            "Accept-Encoding": "gzip",
         }
 
     def test_build_headers_extra_headers(self, http_client, patched_version_and_sys):
@@ -50,6 +51,7 @@ def test_build_headers_extra_headers(self, http_client, patched_version_and_sys)
             "Authorization": "Bearer test-key",
             "foo": "bar",
             "X-Test": "test",
+            "Accept-Encoding": "gzip",
         }
 
     def test_build_headers_json_body(self, http_client, patched_version_and_sys):
@@ -64,6 +66,7 @@ def test_build_headers_json_body(self, http_client, patched_version_and_sys):
             "User-Agent": "Nylas Python SDK 2.0.0 - 1.2.3",
             "Authorization": "Bearer test-key",
             "Content-type": "application/json",
+            "Accept-Encoding": "gzip",
         }
 
     def test_build_headers_form_body(self, http_client, patched_version_and_sys):
@@ -79,6 +82,7 @@ def test_build_headers_form_body(self, http_client, patched_version_and_sys):
             "User-Agent": "Nylas Python SDK 2.0.0 - 1.2.3",
             "Authorization": "Bearer test-key",
             "Content-type": "application/x-www-form-urlencoded",
+            "Accept-Encoding": "gzip",
         }
 
     def test_build_headers_override_headers(self, http_client, patched_version_and_sys):
@@ -97,6 +101,7 @@ def test_build_headers_override_headers(self, http_client, patched_version_and_s
             "Authorization": "Bearer test-key",
             "foo": "bar",
             "X-Test": "test",
+            "Accept-Encoding": "gzip",
         }
 
     def test_build_headers_override_api_key(self, http_client, patched_version_and_sys):
@@ -110,6 +115,7 @@ def test_build_headers_override_api_key(self, http_client, patched_version_and_s
             "X-Nylas-API-Wrapper": "python",
             "User-Agent": "Nylas Python SDK 2.0.0 - 1.2.3",
             "Authorization": "Bearer test-key-override",
+            "Accept-Encoding": "gzip",
         }
 
     def test_build_request_default(self, http_client, patched_version_and_sys):
@@ -125,6 +131,7 @@ def test_build_request_default(self, http_client, patched_version_and_sys):
                 "X-Nylas-API-Wrapper": "python",
                 "User-Agent": "Nylas Python SDK 2.0.0 - 1.2.3",
                 "Authorization": "Bearer test-key",
+                "Accept-Encoding": "gzip",
             },
         }
 
@@ -144,6 +151,7 @@ def test_build_request_override_api_uri(self, http_client, patched_version_and_s
                 "X-Nylas-API-Wrapper": "python",
                 "User-Agent": "Nylas Python SDK 2.0.0 - 1.2.3",
                 "Authorization": "Bearer test-key",
+                "Accept-Encoding": "gzip",
             },
         }
 
@@ -201,6 +209,7 @@ def test_execute_download_request_override_timeout(
                 "User-Agent": "Nylas Python SDK 2.0.0 - 1.2.3",
                 "Authorization": "Bearer test-key",
                 "Content-type": "application/json",
+                "Accept-Encoding": "gzip",
             },
             timeout=60,
             stream=False,
@@ -291,6 +300,7 @@ def test_execute(self, http_client, patched_version_and_sys, patched_request):
                 "User-Agent": "Nylas Python SDK 2.0.0 - 1.2.3",
                 "Authorization": "Bearer test-key",
                 "Content-type": "application/json",
+                "Accept-Encoding": "gzip",
                 "test": "header",
             },
             json={"foo": "bar"},
@@ -319,6 +329,7 @@ def test_execute_override_timeout(
                 "User-Agent": "Nylas Python SDK 2.0.0 - 1.2.3",
                 "Authorization": "Bearer test-key",
                 "Content-type": "application/json",
+                "Accept-Encoding": "gzip",
                 "test": "header",
             },
             json={"foo": "bar"},