diff --git a/doc.html b/doc.html
index b7434fe7..b28583e9 100644
--- a/doc.html
+++ b/doc.html
@@ -434,7 +434,7 @@
 </div>
 <div class="footer">
   <div class="shell">
-    <p class="lf">&copy; 2017-2020 Martin Tůma, CC BY-ND 4.0</p>
+    <p class="lf">&copy; 2017-2022 Martin Tůma, CC BY-ND 4.0</p>
     <p class="rf">Design by <a href="http://www.websitecsstemplates.com/" target="_blank">WebsiteCSSTemplates</a></p>
     <div style="clear:both;"></div>
   </div>
diff --git a/gallery.html b/gallery.html
index eda7de75..5ec23b5b 100644
--- a/gallery.html
+++ b/gallery.html
@@ -153,7 +153,7 @@
 </div>
 <div class="footer">
   <div class="shell">
-    <p class="lf">&copy; 2017-2020 Martin Tůma, CC BY-ND 4.0</p>
+    <p class="lf">&copy; 2017-2022 Martin Tůma, CC BY-ND 4.0</p>
     <p class="rf">Design by <a href="http://www.websitecsstemplates.com/" target="_blank">WebsiteCSSTemplates</a></p>
     <div style="clear:both;"></div>
   </div>
diff --git a/index.html b/index.html
index 64ac51d4..cf4c5cd5 100644
--- a/index.html
+++ b/index.html
@@ -243,7 +243,7 @@
 </div>
 <div class="footer">
   <div class="shell">
-    <p class="lf">&copy; 2017-2020 Martin Tůma, CC BY-ND 4.0</p>
+    <p class="lf">&copy; 2017-2022 Martin Tůma, CC BY-ND 4.0</p>
     <p class="rf">Design by <a href="http://www.websitecsstemplates.com/" target="_blank">WebsiteCSSTemplates</a></p>
     <div style="clear:both;"></div>
   </div>