diff --git a/extra_requirements/requirements-tests.txt b/extra_requirements/requirements-tests.txt
index 4c74b159..444f3d94 100644
--- a/extra_requirements/requirements-tests.txt
+++ b/extra_requirements/requirements-tests.txt
@@ -49,7 +49,7 @@ tensorflow==2.15.0.post1
 typing-extensions==4.12.2                          # Tensorflow and bokeh dependency
 tqdm==4.66.5
 uproot==5.3.12
-utilix==0.8.5                                      # dependency for straxen, admix
+utilix==0.9.1                                      # dependency for straxen, admix
 xarray==2024.3.0                                   # xarray 2024.6.0 depends on pandas>=2.0
 xedocs==0.2.30
 zarr==2.18.2
diff --git a/requirements.txt b/requirements.txt
index 14a7ad15..86c00b65 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -58,4 +58,5 @@ tensorflow-probability==0.24.0
 timeout_decorator==0.5.0                           # needed by fuse
 uncertainties==3.2.2
 xe-admix==1.0.15
+xe-outsource==0.4.0
 xgboost==2.1.1