diff --git a/analytics_dashboard/courses/presenters/course_summaries.py b/analytics_dashboard/courses/presenters/course_summaries.py
index f22d497a7..e374d6892 100644
--- a/analytics_dashboard/courses/presenters/course_summaries.py
+++ b/analytics_dashboard/courses/presenters/course_summaries.py
@@ -1,3 +1,4 @@
+from django.conf import settings
 from django.core.cache import cache
 from courses.presenters import BasePresenter
 
@@ -28,7 +29,7 @@ def _get_all_summaries(self):
             all_summaries = [
                 {field: ('' if val is None and field in self.NON_NULL_STRING_FIELDS else val)
                  for field, val in summary.items()} for summary in all_summaries]
-            cache.set(self.CACHE_KEY, all_summaries)
+            cache.set(self.CACHE_KEY, all_summaries, settings.COURSE_SUMMARIES_CACHE_TIMEOUT)
         return all_summaries
 
     def _get_last_updated(self, summaries):
diff --git a/analytics_dashboard/settings/base.py b/analytics_dashboard/settings/base.py
index 8f90d27e2..6be33455e 100644
--- a/analytics_dashboard/settings/base.py
+++ b/analytics_dashboard/settings/base.py
@@ -480,3 +480,7 @@
 # Default (None) includes all available fields, in alphabetical order.
 LEARNER_API_LIST_DOWNLOAD_FIELDS = None
 ########## END LEARNER_API_LIST_DOWNLOAD_FIELDS
+
+########## CACHE CONFIGURATION
+COURSE_SUMMARIES_CACHE_TIMEOUT = 3600  # 1 hour timeout
+########## END CACHE CONFIGURATION
diff --git a/analytics_dashboard/settings/dev.py b/analytics_dashboard/settings/dev.py
index e8fafce66..d54c82530 100644
--- a/analytics_dashboard/settings/dev.py
+++ b/analytics_dashboard/settings/dev.py
@@ -20,7 +20,7 @@
 # See: https://docs.djangoproject.com/en/dev/ref/settings/#caches
 CACHES = {
     'default': {
-        'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
+        'BACKEND': 'django.core.cache.backends.locmem.LocMemCache'
     }
 }
 ########## END CACHE CONFIGURATION