diff --git a/extra_requirements/requirements-tests.txt b/extra_requirements/requirements-tests.txt
index e6178ab..e12c638 100644
--- a/extra_requirements/requirements-tests.txt
+++ b/extra_requirements/requirements-tests.txt
@@ -1,7 +1,7 @@
 strax==1.5.0
 straxen==2.0.7
 wfsim==1.0.2
-epix==0.3.3
+epix==0.3.4
 git+https://github.com/XENONnT/ax_env
 
 # For testing running notebooks