diff --git a/public/categories/development/index.html b/public/categories/development/index.html
index 8711e8e..ddad4b0 100644
--- a/public/categories/development/index.html
+++ b/public/categories/development/index.html
@@ -282,7 +282,7 @@ article header img {
 
   
   <p class="muted">
-    &copy; 2021 Hackerspace Istanbul. CC BY-ND
+    &copy; 2021 Hackerspace Istanbul. CC BY-ND 4.0
   </p>
 
 
diff --git a/public/categories/vim/index.html b/public/categories/vim/index.html
index 10916e7..ceb804e 100644
--- a/public/categories/vim/index.html
+++ b/public/categories/vim/index.html
@@ -282,7 +282,7 @@ article header img {
 
   
   <p class="muted">
-    &copy; 2021 Hackerspace Istanbul. CC BY-ND
+    &copy; 2021 Hackerspace Istanbul. CC BY-ND 4.0
   </p>