diff --git a/README.md b/README.md
index 12ee85035..e225d9bde 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ Licensing info for the default sound banks can be found over on the [dough-sampl
 
 There are many ways to contribute to this project! See [contribution guide](./CONTRIBUTING.md).
 
-<a href="https://github.com/tidalcycles/strudel/graphs/contributors">
+<a href="https://codeberg.org/uzu/strudel/activity/contributors">
   <img src="https://contrib.rocks/image?repo=tidalcycles/strudel" />
 </a>
 
diff --git a/technical.manual.md b/technical.manual.md
index 9b09c741d..58f7cd934 100644
--- a/technical.manual.md
+++ b/technical.manual.md
@@ -54,7 +54,7 @@ This is how it works:
 - The AST is transformed to resolve the syntax sugar
 - The AST is used to generate code again (shift-codegen)
 
-Shift will most likely be replaced with acorn in the future, see https://github.com/tidalcycles/strudel/issues/174
+Shift will most likely be replaced with acorn in the future, see https://codeberg.org/uzu/strudel/issues/174
 
 ### Mini Notation