diff --git a/project.clj b/project.clj
index d1aaa6d..34f107f 100644
--- a/project.clj
+++ b/project.clj
@@ -13,7 +13,8 @@
              :dev   {:dependencies []}
              :test  {:dependencies [[expectations                  "1.4.56"]
                                     [org.xerial.snappy/snappy-java "1.1.1-M1"]
-                                    [reiddraper/simple-check       "0.5.3"]]}
+                                    [reiddraper/simple-check       "0.5.3"]
+                                    [org.clojure/data.fressian     "0.2.0"]]}
              :bench {:dependencies [] :jvm-opts ^:replace ["-server"]}}
   :aliases {"test-all"    ["with-profile" "+test,+1.4:+test,+1.5:+test,+1.6" "expectations"]
             "test-auto"   ["with-profile" "+test" "autoexpect"]