diff --git a/cms/envs/common.py b/cms/envs/common.py
index 85a7699aae..01e3f891fb 100644
--- a/cms/envs/common.py
+++ b/cms/envs/common.py
@@ -1417,6 +1417,9 @@ INSTALLED_APPS = [
 
     # so sample_task is available to celery workers
     'openedx.core.djangoapps.heartbeat',
+
+    # signal handlers to capture course dates into edx-when
+    'openedx.core.djangoapps.course_date_signals',
 ]
 
 
diff --git a/lms/envs/common.py b/lms/envs/common.py
index f1ff80827c..3996f7cb1b 100644
--- a/lms/envs/common.py
+++ b/lms/envs/common.py
@@ -2490,6 +2490,9 @@ INSTALLED_APPS = [
 
     # so sample_task is available to celery workers
     'openedx.core.djangoapps.heartbeat',
+
+    # signal handlers to capture course dates into edx-when
+    'openedx.core.djangoapps.course_date_signals',
 ]
 
 ######################### CSRF #########################################