diff --git a/requirements-ci-python38.txt b/requirements-ci-python38.txt
index 1d71b948..42b92617 100644
--- a/requirements-ci-python38.txt
+++ b/requirements-ci-python38.txt
@@ -39,7 +39,7 @@ importlib-metadata==8.5.0
     #   build
 iniconfig==2.0.0
     # via pytest
-json5==0.10.0
+json5==0.12.1
     # via asv
 packaging==24.2
     # via