diff --git a/pixi.toml b/pixi.toml
index 685c60c1..3df13cb6 100644
--- a/pixi.toml
+++ b/pixi.toml
@@ -43,6 +43,10 @@ coverage = "*"
 [environments.default]
 features = ["test"]
 
+[env]
+EPICS_CA_ADDR_LIST = "127.0.0.1"
+EPICS_CA_AUTO_ADDR_LIST = "NO"
+
 [feature.test.dependencies]
 pytest = "*"
 time-machine = "*"