diff --git a/requirements-test.txt b/requirements-test.txt
index 00f20734..b0da6981 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -1,5 +1,5 @@
 iso8601==1.1.0
 requests==2.28.2
-securesystemslib==0.26.0
+securesystemslib==0.27.0
 six==1.16.0
 tuf==2.0.0