diff --git a/content/kontakt.de.md b/content/kontakt.de.md
index bbbd303..c4b80b2 100644
--- a/content/kontakt.de.md
+++ b/content/kontakt.de.md
@@ -26,7 +26,7 @@ Auch im Vorfeld sollte da zumindest ein Teil des Orga-Teams anzutreffen sein.
 ## Links
 
 * [Chaos Computer Club Switzerland (CCC-CH)](https://ccc-ch.ch)
-* [Chaos Computer Club Basel](https://wiki.chaostreff.ch/Chaostreff)
+* [Chaos Computer Club Basel](https://ccc-basel.ch/)
 * [Chaostreff Bern](https://www.chaosbern.ch/)
 * [Coredump (Hackerspace Rapperswil)](https://www.coredump.ch/)
 * [Hackerspace Eastermundigen](https://www.eastermundigen.ch/)
diff --git a/content/kontakt.en.md b/content/kontakt.en.md
index 9df441d..94c420c 100644
--- a/content/kontakt.en.md
+++ b/content/kontakt.en.md
@@ -23,7 +23,7 @@ on the server `{{< cosin "irc_server" >}}`.
 ## Links and groups behind CoSin
 
 * [Chaos Computer Club Switzerland (CCC-CH)](https://ccc-ch.ch)
-* [Chaos Computer Club Basel](https://wiki.chaostreff.ch/Chaostreff)
+* [Chaos Computer Club Basel](https://ccc-basel.ch/)
 * [Chaostreff Bern](https://www.chaosbern.ch/)
 * [Coredump (Hackerspace Rapperswil)](https://www.coredump.ch/)
 * [Hackerspace Eastermundigen](https://www.eastermundigen.ch/)
diff --git a/content/kontakt.fr.md b/content/kontakt.fr.md
index c23b5e4..9954693 100644
--- a/content/kontakt.fr.md
+++ b/content/kontakt.fr.md
@@ -26,7 +26,7 @@ joignable.
 ## Liens
 
 * [Chaos Computer Club Switzerland (CCC-CH)](https://ccc-ch.ch)
-* [Chaos Computer Club Basel](https://wiki.chaostreff.ch/Chaostreff)
+* [Chaos Computer Club Basel](https://ccc-basel.ch/)
 * [Chaostreff Bern](https://www.chaosbern.ch/)
 * [Coredump (Hackerspace Rapperswil)](https://www.coredump.ch/)
 * [Hackerspace Eastermundigen](https://www.eastermundigen.ch/)
diff --git a/content/kontakt.it.md b/content/kontakt.it.md
index a3fc645..39f4217 100644
--- a/content/kontakt.it.md
+++ b/content/kontakt.it.md
@@ -24,7 +24,7 @@ Anche prima dell'evento dovresti trovarci sempre qualcuno degli organizzatori.
 ## Links
 
 * [Chaos Computer Club Switzerland (CCC-CH)](https://ccc-ch.ch)
-* [Chaos Computer Club Basel](https://wiki.chaostreff.ch/Chaostreff)
+* [Chaos Computer Club Basel](https://ccc-basel.ch/)
 * [Chaostreff Bern](https://www.chaosbern.ch/)
 * [Coredump (Hackerspace Rapperswil)](https://www.coredump.ch/)
 * [Hackerspace Eastermundigen](https://www.eastermundigen.ch/)