diff --git a/license.txt b/license.txt
index 8dd1e4bfe04913681f023a0be4f9386c2611a9be..79ef9b13aad54fb6c3686419e3eb22a8fb509bad 100644
--- a/license.txt
+++ b/license.txt
@@ -12,7 +12,7 @@ are met:
       distribution.
     * Neither the names of the Naval Postgraduate School (NPS)
       Modeling Virtual Environments and Simulation (MOVES) Institute
-      (http://www.nps.edu and http://www.MovesInstitute.org)
+      (https://www.nps.edu and https://www.MovesInstitute.org)
       nor the names of its contributors may be used to endorse or
       promote products derived from this software without specific
       prior written permission.