diff --git a/changelog.d/14452.misc b/changelog.d/14452.misc
new file mode 100644
index 000000000..cb190c082
--- /dev/null
+++ b/changelog.d/14452.misc
@@ -0,0 +1 @@
+Enable mypy's [`strict_equality` check](https://mypy.readthedocs.io/en/stable/command_line.html#cmdoption-mypy-strict-equality) by default.
\ No newline at end of file
diff --git a/mypy.ini b/mypy.ini
index 53512b258..4cd61e048 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -11,6 +11,7 @@ warn_unused_ignores = True
 local_partial_types = True
 no_implicit_optional = True
 disallow_untyped_defs = True
+strict_equality = True
 
 files =
   docker/,