diff --git a/CHANGES.txt b/CHANGES.txt
index 2a520e2..810f1d1 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,3 +1,7 @@
+0.3.5
+====================
+* Updated sentry init to include environment tag.
+
 0.3.4 (2024-08-23)
 ====================
 * Introduced init_sentry function for staging and production.
diff --git a/ctlsettings/production.py b/ctlsettings/production.py
index ee1d93f..4aaac95 100644
--- a/ctlsettings/production.py
+++ b/ctlsettings/production.py
@@ -98,4 +98,5 @@ def init_sentry(sentry_dsn: str) -> None:
         sentry_sdk.init(
             dsn=sentry_dsn,
             integrations=[DjangoIntegration()],
+            environment='production',
         )
diff --git a/ctlsettings/staging.py b/ctlsettings/staging.py
index 3ada14f..46af6c3 100644
--- a/ctlsettings/staging.py
+++ b/ctlsettings/staging.py
@@ -91,4 +91,5 @@ def init_sentry(sentry_dsn: str) -> None:
             dsn=sentry_dsn,
             integrations=[DjangoIntegration()],
             debug=True,
+            environment='staging',
         )