diff --git a/COPYING b/COPYING
index 29c3097..84592c6 100644
--- a/COPYING
+++ b/COPYING
@@ -2,7 +2,7 @@
 
                           Version 3, 19 November 2007
 
-Copyright © 2007 Free Software Foundation, Inc. <http://fsf.org/> Everyone is
+Copyright © 2007 Free Software Foundation, Inc. <https://fsf.org/> Everyone is
 permitted to copy and distribute verbatim copies of this license document, but
 changing it is not allowed. Preamble
 
diff --git a/src/pronouns/config.clj b/src/pronouns/config.clj
index ecde59f..3a07c36 100644
--- a/src/pronouns/config.clj
+++ b/src/pronouns/config.clj
@@ -12,7 +12,7 @@
 ;; GNU Affero General Public License for more details.
 
 ;; You should have received a copy of the GNU Affero General Public License
-;; along with this program.  If not, see <http://www.gnu.org/licenses/>
+;; along with this program.  If not, see <https://www.gnu.org/licenses/>
 
 (ns pronouns.config
   (:require [pronouns.util :as u]))
diff --git a/src/pronouns/pages.clj b/src/pronouns/pages.clj
index 6f7321a..5782df4 100644
--- a/src/pronouns/pages.clj
+++ b/src/pronouns/pages.clj
@@ -12,7 +12,7 @@
 ;; GNU Affero General Public License for more details.
 
 ;; You should have received a copy of the GNU Affero General Public License
-;; along with this program.  If not, see <http://www.gnu.org/licenses/>
+;; along with this program.  If not, see <https://www.gnu.org/licenses/>
 
 (ns pronouns.pages
   (:require [clojure.string :as s]
diff --git a/src/pronouns/util.clj b/src/pronouns/util.clj
index 424e0f1..7469dcf 100644
--- a/src/pronouns/util.clj
+++ b/src/pronouns/util.clj
@@ -12,7 +12,7 @@
 ;; GNU Affero General Public License for more details.
 
 ;; You should have received a copy of the GNU Affero General Public License
-;; along with this program.  If not, see <http://www.gnu.org/licenses/>
+;; along with this program.  If not, see <https://www.gnu.org/licenses/>
 
 (ns pronouns.util
   (:require [clojure.string :as s]))
diff --git a/src/pronouns/web.clj b/src/pronouns/web.clj
index 2e8184a..83a184d 100644
--- a/src/pronouns/web.clj
+++ b/src/pronouns/web.clj
@@ -12,7 +12,7 @@
 ;; GNU Affero General Public License for more details.
 
 ;; You should have received a copy of the GNU Affero General Public License
-;; along with this program.  If not, see <http://www.gnu.org/licenses/>
+;; along with this program.  If not, see <https://www.gnu.org/licenses/>
 
 (ns pronouns.web
   (:require [compojure.core :refer [defroutes GET PUT POST DELETE ANY]]