diff --git a/extra_requirements/requirements-tests.txt b/extra_requirements/requirements-tests.txt
index 00af8022..8638656e 100644
--- a/extra_requirements/requirements-tests.txt
+++ b/extra_requirements/requirements-tests.txt
@@ -1,4 +1,4 @@
 strax>=1.6.0
 straxen>=2.2.0
-epix>=0.3.6
+epix>=0.3.8
 git+https://github.com/XENONnT/ax_env