diff --git a/requirements.txt b/requirements.txt
index aecf881..3d7fb0a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 cryptography~=41.0.2
-pyyaml~=6.0.1
+pyyaml~=6.0.3
 
 # when testing a new version of the github datatrails-python repo copy the wheel
 # (generated by 'task wheel') from that repo and comment