diff --git a/.ci_support/environment-integration.yml b/.ci_support/environment-integration.yml
index 8a2bc971..571b80d2 100644
--- a/.ci_support/environment-integration.yml
+++ b/.ci_support/environment-integration.yml
@@ -10,6 +10,7 @@ dependencies:
 - atomistics =0.3.4
 - cloudpickle =3.1.2
 - flux-core =0.81.0
+- flux-pmix =0.6.0
 - gpaw =25.7.0
 - hatchling =1.27.0
 - hatch-vcs =0.5.0