diff --git a/docs/en_US/release_notes_4_13.rst b/docs/en_US/release_notes_4_13.rst
index ae5ece70c..e748cd060 100644
--- a/docs/en_US/release_notes_4_13.rst
+++ b/docs/en_US/release_notes_4_13.rst
@@ -38,4 +38,5 @@ Bug fixes
 | `Issue #4650 <https://redmine.postgresql.org/issues/4650>`_ -  Fix SQL tab issue for Views. It's a regression of compound triggers.
 | `Issue #4657 <https://redmine.postgresql.org/issues/4657>`_ -  Fix PGADMIN_SERVER_JSON_FILE environment variable support in the container.
 | `Issue #4663 <https://redmine.postgresql.org/issues/4663>`_ -  Fix exception in query history for python 2.7.
-| `Issue #4674 <https://redmine.postgresql.org/issues/4674>`_ -  Fix query tool launch error if user name contain html characters.
\ No newline at end of file
+| `Issue #4674 <https://redmine.postgresql.org/issues/4674>`_ -  Fix query tool launch error if user name contain html characters.
+| `Issue #4681 <https://redmine.postgresql.org/issues/4681>`_ -  Increase cache control max age for static files to improve performance over longer run.
\ No newline at end of file
diff --git a/web/config.py b/web/config.py
index 9e745bb6f..162d9ab92 100644
--- a/web/config.py
+++ b/web/config.py
@@ -163,6 +163,9 @@ SECURITY_PASSWORD_HASH = 'pbkdf2_sha512'
 #       has no effect on <= Python 2.7.
 MINIFY_PAGE = True
 
+# Set the cache control max age for static files in flask to 1 year
+SEND_FILE_MAX_AGE_DEFAULT = 31556952
+
 # This will be added to static urls as url parameter with value as
 # APP_VERSION_INT for cache busting on version upgrade. If the value is set as
 # None or empty string then it will not be added.