diff --git a/.circleci/config.yml b/.circleci/config.yml
index dd2666b3265e1386ac519609de76357d4747d81c..c628d7449f0d1eff3227518db9f28757f8fbc16d 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -146,6 +146,7 @@ jobs:
               --no-terminal \
               --haddock \
               --haddock-internal \
+              --test \
               --no-haddock-deps"
             nix-shell shell.nix --run "$BUILD"