diff --git a/config/checkstyle/checkstyle.xml b/config/checkstyle/checkstyle.xml
index 5906505ca..e46f356d8 100644
--- a/config/checkstyle/checkstyle.xml
+++ b/config/checkstyle/checkstyle.xml
@@ -8,7 +8,7 @@
     that can be found at https://google.github.io/styleguide/javaguide.html
 
     Checkstyle is very configurable. Be sure to read the documentation at
-    http://checkstyle.org (or in your downloaded distribution).
+    https://checkstyle.org (or in your downloaded distribution).
 
     To completely disable a check, just comment it out or delete it from the file.
     To suppress certain violations please review suppression filters.
@@ -47,7 +47,7 @@
   </module>
 
   <!-- Checks for whitespace                               -->
-  <!-- See http://checkstyle.org/checks/whitespace/index.html -->
+  <!-- See https://checkstyle.org/checks/whitespace/index.html -->
   <module name="FileTabCharacter">
     <property name="eachLine" value="true"/>
   </module>