diff --git a/requirements-pinned.txt b/requirements-pinned.txt
index f00b01b5..de441263 100644
--- a/requirements-pinned.txt
+++ b/requirements-pinned.txt
@@ -4,7 +4,7 @@ charset-normalizer==2.0.7 # via requests
 cryptography==35.0.0       # via securesystemslib
 idna==3.3                 # via requests
 pycparser==2.20           # via cffi
-pynacl==1.4.0             # via securesystemslib
+pynacl==1.5.0             # via securesystemslib
 requests==2.26.0
 securesystemslib[crypto,pynacl]==0.21.0
 six==1.16.0               # via pynacl, securesystemslib