diff --git a/CHANGELOG.md b/CHANGELOG.md
index a66bf6ebd..416e0c211 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -59,6 +59,7 @@ and adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 - Added `pytest-mock` as a development dependency
 - Make `test_snapshot.py::test_snapshot_serializes_unserializable_value` able to run on Windows.
 - Added GitHub Action workflow for automatically publishing releases to PyPI
+- Update `SnapshotTracer` tests to use `memory-viz@0.5.0` and prevent browser from opening
 
 ## [2.8.1] - 2024-08-19
 
diff --git a/tests/test_debug/test_snapshot_tracer.py b/tests/test_debug/test_snapshot_tracer.py
index cfc394868..1b790e134 100644
--- a/tests/test_debug/test_snapshot_tracer.py
+++ b/tests/test_debug/test_snapshot_tracer.py
@@ -15,7 +15,7 @@
     os.path.dirname(os.path.realpath(__file__)), "snapshot_tracer_testing_snapshots"
 )
 MEMORY_VIZ_ARGS = ["--roughjs-config", "seed=12345"]
-MEMORY_VIZ_VERSION = "0.4.0"
+MEMORY_VIZ_VERSION = "0.5.0"
 
 
 # Function inputs for testing the SnapshotTracer
@@ -237,7 +237,7 @@ def test_no_output_directory(self, snapshot, setup_curr_dir_testing):
                 {"snapshot-0.svg": actual_file.read()}, func_no_output_dir.__name__
             )
 
-    def test_generated_webstepper_html(self, snapshot, tmp_path):
+    def test_generated_webstepper_html(self, snapshot, tmp_path, prevent_webbrowser_and_httpserver):
         """
         Test that SnapshotTracer generates the correct Webstepper HTML for the given code.