diff --git a/requirements/pinned.txt b/requirements/pinned.txt
index f4e375d4a2..786e6364a5 100644
--- a/requirements/pinned.txt
+++ b/requirements/pinned.txt
@@ -10,7 +10,7 @@ cryptography==46.0.1
     # via securesystemslib
 pycparser==2.23
     # via cffi
-securesystemslib==1.3.0
+securesystemslib==1.3.1
     # via -r requirements/main.txt
 urllib3==2.5.0
     # via -r requirements/main.txt