diff --git a/build.sh b/build.sh
index 5e67ac3..f122131 100755
--- a/build.sh
+++ b/build.sh
@@ -69,6 +69,6 @@ echo "| Slides (PDF) | Source Code |">>table.md
 echo "| ------------ | ----------- |">>table.md
 
 for t in ${slidedecks[@]}; do
-        echo "| [${t}](https://www.misp-project.org/misp-training/${t}.pdf) | [source](https://github.com/MISP/misp-training/tree/master/${t}) |" >>table.md
+        echo "| [${t}](https://www.misp-project.org/misp-training/${t}.pdf) | [source](https://github.com/MISP/misp-training/tree/main/${t}) |" >>table.md
 done