diff --git a/pkgs/development/ocaml-modules/mopsa/default.nix b/pkgs/development/ocaml-modules/mopsa/default.nix
index 456a7e85a663..f0f4196d3278 100644
--- a/pkgs/development/ocaml-modules/mopsa/default.nix
+++ b/pkgs/development/ocaml-modules/mopsa/default.nix
@@ -5,7 +5,7 @@
   clang,
   libclang,
   libllvm,
-  flint,
+  flint3,
   mpfr,
   pplite,
   ocaml,
@@ -39,7 +39,7 @@ buildDunePackage rec {
   buildInputs = [
     arg-complete
     camlidl
-    flint
+    flint3
     libclang
     mpfr
     pplite