diff --git a/flake.nix b/flake.nix
index 4a7a925b..6d4bfa54 100644
--- a/flake.nix
+++ b/flake.nix
@@ -270,7 +270,7 @@
 
           pushd $WORKDIR
           export HEALTHCHECKS_URL=${defaultEnv.HEALTHCHECKS_URL}
-          ${pkgs.spago-bin.spago-0_93_19}/bin/spago test
+          ${pkgs.spago-bin.spago-0_93_39}/bin/spago test
 
           popd
         '';