diff --git a/composed_configuration/_sentry.py b/composed_configuration/_sentry.py
index 58b687e..008d459 100644
--- a/composed_configuration/_sentry.py
+++ b/composed_configuration/_sentry.py
@@ -13,8 +13,8 @@ class SentryMixin(ConfigMixin):
 
     The `DJANGO_SENTRY_DSN` environment variable should be externally set to a Sentry DSN.
 
-    The `DJANGO_SENTRY_ENVIRONMENT`, `DJANGO_SENTRY_RELEASE`, and `DJANGO_SENTRY_TRACES_SAMPLE_RATE`
-    environment variables may also be set, if desired.
+    The `DJANGO_SENTRY_ENVIRONMENT`, `DJANGO_SENTRY_RELEASE`, `DJANGO_SENTRY_TRACES_SAMPLE_RATE`,
+    and `DJANGO_SENTRY_PROFILES_SAMPLE_RATE` environment variables may also be set, if desired.
     """
 
     @staticmethod
@@ -29,6 +29,7 @@ def mutate_configuration(configuration: Type[ComposedConfiguration]) -> None:
 
     SENTRY_RELEASE = values.Value(None)
 
-    # None is a valid default value, but if this is set via environment variable,
-    # the value must be interpretable as a float
+    # None is a valid default value for these rates, but if set via environment variable,
+    # the values must be interpretable as floats
     SENTRY_TRACES_SAMPLE_RATE = values.FloatValue(None)
+    SENTRY_PROFILES_SAMPLE_RATE = values.FloatValue(None)
diff --git a/composed_configuration/sentry/apps.py b/composed_configuration/sentry/apps.py
index a0b078f..5c99dd5 100644
--- a/composed_configuration/sentry/apps.py
+++ b/composed_configuration/sentry/apps.py
@@ -29,6 +29,7 @@ def ready(self):
             attach_stacktrace=True,
             # Submit request User info from Django
             send_default_pii=True,
-            # This is None by default, so performance monitoring is opt-in
+            # These are None by default, so performance monitoring/profiling is opt-in
             traces_sample_rate=settings.SENTRY_TRACES_SAMPLE_RATE,
+            profiles_sample_rate=settings.SENTRY_PROFILES_SAMPLE_RATE,
         )