diff --git a/circleci/images/citusupgradetester/files/etc/requirements.txt b/circleci/images/citusupgradetester/files/etc/requirements.txt
index 15074b7..20fe950 100644
--- a/circleci/images/citusupgradetester/files/etc/requirements.txt
+++ b/circleci/images/citusupgradetester/files/etc/requirements.txt
@@ -38,7 +38,7 @@ packaging==26.0; python_version >= '3.8'
 pluggy==1.6.0; python_version >= '3.9'
 psycopg==3.3.3; python_version >= '3.10'
 publicsuffix2==2.20191221
-pyasn1==0.6.2; python_version >= '3.8'
+pyasn1==0.6.3; python_version >= '3.8'
 pyasn1-modules==0.4.2; python_version >= '3.8'
 pycparser==3.0; python_version >= '3.10'
 pygments==2.19.2; python_version >= '3.8'