diff --git a/dokuwiki/inc/Action/Diff.php b/dokuwiki/inc/Action/Diff.php
index c12de9ca..368a9c39 100644
--- a/dokuwiki/inc/Action/Diff.php
+++ b/dokuwiki/inc/Action/Diff.php
@@ -17,7 +17,7 @@ class Diff extends AbstractAction
     /** @inheritdoc */
     public function minimumPermission()
     {
-        return AUTH_READ;
+        return AUTH_EDIT;
     }
 
     /** @inheritdoc */
diff --git a/dokuwiki/inc/Action/Revisions.php b/dokuwiki/inc/Action/Revisions.php
index 9d8e6047..1ac72d85 100644
--- a/dokuwiki/inc/Action/Revisions.php
+++ b/dokuwiki/inc/Action/Revisions.php
@@ -17,7 +17,7 @@ class Revisions extends AbstractAction
     /** @inheritdoc */
     public function minimumPermission()
     {
-        return AUTH_READ;
+        return AUTH_EDIT;
     }
 
     /** @inheritdoc */