diff --git a/.bazelrc b/.bazelrc
index fe4dc61114..2d15ce8211 100644
--- a/.bazelrc
+++ b/.bazelrc
@@ -17,6 +17,8 @@ run --host_force_python=PY2
 
 # Use minimal protobufs at runtime
 run --define ssz=minimal
+test --define ssz=mainnet
+build --define ssz=minimal
 
 # Prevent PATH changes from rebuilding when switching from IDE to command line.
 build --incompatible_strict_action_env