diff --git a/nix/frama-c-lint.nix b/nix/frama-c-lint.nix
index d33b25870079d5d24d2ba1a685ac8b1b3a203d82..dfb9e89512a7e6ac4d8908c4709f27593cf355da 100644
--- a/nix/frama-c-lint.nix
+++ b/nix/frama-c-lint.nix
@@ -6,6 +6,8 @@
 , gitignoreSource
 , ocaml
 , ocp-indent
+, ppx_deriving_yojson
+, yojson
 } :
 
 stdenv.mkDerivation rec {
@@ -24,6 +26,8 @@ stdenv.mkDerivation rec {
     findlib
     ocaml
     ocp-indent
+    ppx_deriving_yojson
+    yojson
   ];
 
   configurePhase = ''