diff --git a/flake.nix b/flake.nix
index e3112f3..c5b2672 100644
--- a/flake.nix
+++ b/flake.nix
@@ -32,6 +32,13 @@
         hardeningDisable = [ "all" ];
         dontStrip = true;
       };
+
+      bench6Master = bench6.overrideAttrs (old: {
+        src = builtins.fetchGit {
+          url = "https://pm.bsc.es/gitlab/rarias/bench6.git";
+          ref = "master";
+        };
+      });
     };
   };
 }
diff --git a/test/ci.sh b/test/ci.sh
new file mode 100755
index 0000000..cef80ff
--- /dev/null
+++ b/test/ci.sh
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+set -e
+set -x
+
+# Allow impure evaluation so we fetch the latest commit from the repo
+bench6_ref=$(nix build --print-out-paths --impure ".#bench6Master")
+bench6_cur=$(nix build --print-out-paths ".#bench6")
+
+# Add bigotes to the path
+bigotes=$(nix build --print-out-paths 'jungle#bigotes')
+export PATH="$bigotes/bin:$PATH"
+
+bigotes "${bench6_ref}/bin/b6_heat_nanos6" -s 2048 -t 10 -b 64
+bigotes "${bench6_cur}/bin/b6_heat_nanos6" -s 2048 -t 10 -b 64