diff --git a/requirements-test.txt b/requirements-test.txt
index 53511ff1c..93f8a22ee 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -1,5 +1,5 @@
 iso8601==2.0.0
 requests==2.31.0
-securesystemslib==0.28.0
+securesystemslib==1.3.1
 six==1.16.0
 tuf==2.0.0