diff --git a/Koha/Exceptions/HoldGroup.pm b/Koha/Exceptions/HoldGroup.pm
index 8ceea1a8e7..527039c5d2 100644
--- a/Koha/Exceptions/HoldGroup.pm
+++ b/Koha/Exceptions/HoldGroup.pm
@@ -13,7 +13,7 @@ package Koha::Exceptions::HoldGroup;
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with Koha; if not, see <http://www.gnu.org/licenses>.
+# along with Koha; if not, see <https://www.gnu.org/licenses>.
 
 use Modern::Perl;
 
diff --git a/Koha/REST/V1/Patrons/HoldGroups.pm b/Koha/REST/V1/Patrons/HoldGroups.pm
index b5fa3a54ea..f05e57311b 100644
--- a/Koha/REST/V1/Patrons/HoldGroups.pm
+++ b/Koha/REST/V1/Patrons/HoldGroups.pm
@@ -13,7 +13,7 @@ package Koha::REST::V1::Patrons::HoldGroups;
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with Koha; if not, see <http://www.gnu.org/licenses>.
+# along with Koha; if not, see <https://www.gnu.org/licenses>.
 
 use Modern::Perl;
 
diff --git a/t/db_dependent/api/v1/patrons_hold_groups.t b/t/db_dependent/api/v1/patrons_hold_groups.t
index 2cb39817b4..4184dc3fb6 100755
--- a/t/db_dependent/api/v1/patrons_hold_groups.t
+++ b/t/db_dependent/api/v1/patrons_hold_groups.t
@@ -13,7 +13,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with Koha; if not, see <http://www.gnu.org/licenses>.
+# along with Koha; if not, see <https://www.gnu.org/licenses>.
 
 use Modern::Perl;