diff --git a/20231019/index.html b/20231019/index.html
index 3535485..33982c4 100644
--- a/20231019/index.html
+++ b/20231019/index.html
@@ -174,7 +174,7 @@
 
 <div class="copyright" style="display: flex; flex-direction: row; justify-content: space-between;">
     <div>
-        <img alt="CC-BY" src="https://licensebuttons.net/p/zero/1.0/80x15.png" />
+        <img alt="CC0" src="https://licensebuttons.net/l/zero/1.0/88x31.png" />
         Dieses Werk ist lizenziert unter
         <a rel="license" href="https://creativecommons.org/publicdomain/zero/1.0/">
             Creative Commons Public Domain Dedication 1.0</a>.
diff --git a/draft/index.html b/draft/index.html
index e3a129d..c6e903d 100644
--- a/draft/index.html
+++ b/draft/index.html
@@ -171,7 +171,7 @@
 
 <div class="copyright" style="display: flex; flex-direction: row; justify-content: space-between;">
     <div>
-        <img alt="CC-BY" src="https://licensebuttons.net/p/zero/1.0/80x15.png" />
+        <img alt="CC0" src="https://licensebuttons.net/l/zero/1.0/88x31.png" />
         Dieses Werk ist lizenziert unter
         <a rel="license" href="https://creativecommons.org/publicdomain/zero/1.0/">
             Creative Commons Public Domain Dedication 1.0</a>.