diff --git a/SECURITY.md b/SECURITY.md
index 3f7d9f27e..0aea34845 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -13,4 +13,4 @@ Only the latest version of GitPython can receive security updates. If a vulnerab
 
 Please report private portions of a vulnerability to <https://github.com/gitpython-developers/GitPython/security/advisories/new>. Doing so helps to receive updates and collaborate on the matter, without disclosing it publicly right away.
 
-Vulnerabilities in GitPython's dependencies [gitdb](https://github.com/gitpython-developers/gitdb/blob/main/SECURITY.md) or [smmap](https://github.com/gitpython-developers/smmap/blob/main/SECURITY.md), which primarily exist to support GitPython, can be reported here as well, at that same link. The affected package (`GitPython`, `gitdb`, or `smmap`) can be included in the report, if known.
+Vulnerabilities in GitPython's dependencies [gitdb](https://github.com/gitpython-developers/gitdb/blob/master/SECURITY.md) or [smmap](https://github.com/gitpython-developers/smmap/blob/master/SECURITY.md), which primarily exist to support GitPython, can be reported here as well, at that same link. The affected package (`GitPython`, `gitdb`, or `smmap`) can be included in the report, if known.