diff --git a/dist/tools/backport_pr/requirements.txt b/dist/tools/backport_pr/requirements.txt
index b58a6125479a..694d3cdd0415 100644
--- a/dist/tools/backport_pr/requirements.txt
+++ b/dist/tools/backport_pr/requirements.txt
@@ -1,4 +1,4 @@
 agithub==2.1
 gitdb2==2.0.3
-GitPython==2.1.9
+GitPython==3.1.27
 smmap2==2.0.3