diff --git a/nix/internal-tests.nix b/nix/internal-tests.nix
index 5512f6013d84ee6b63e7b0e1da30a7df68883e1b..0e1f27f8fe7c6c7af264b8131476e2b94af8bb58 100644
--- a/nix/internal-tests.nix
+++ b/nix/internal-tests.nix
@@ -14,6 +14,7 @@
 # Frama-C build
 , apron
 , camlzip
+, camomile
 , dune_3
 , dune-configurator
 , dune-site
@@ -67,6 +68,7 @@ stdenvNoCC.mkDerivation rec {
     apron
     alt-ergo
     camlzip
+    camomile
     dune_3
     dune-configurator
     dune-site