1 files changed, 5 insertions, 3 deletions
diff --git a/nixpkgs/pkgs/development/tools/analysis/frama-c/default.nix b/nixpkgs/pkgs/development/tools/analysis/frama-c/default.nix
index e1a6b8c34162..4b6cadfcfa82 100644
--- a/nixpkgs/pkgs/development/tools/analysis/frama-c/default.nix
+++ b/nixpkgs/pkgs/development/tools/analysis/frama-c/default.nix
@@ -28,6 +28,7 @@ let
     sexplib0
     parsexp
     base
+    unionFind
     yojson
     zarith
   ];
@@ -36,12 +37,12 @@ in
 
 stdenv.mkDerivation rec {
   pname = "frama-c";
-  version = "27.1";
-  slang   = "Cobalt";
+  version = "28.0";
+  slang   = "Nickel";
 
   src = fetchurl {
     url  = "https://frama-c.com/download/frama-c-${version}-${slang}.tar.gz";
-    hash = "sha256-WxNXShaliXHCeQm+6Urn83sX2JeFK0DHaKPU4uCeOdI=";
+    hash = "sha256-KWEogjMOy27d0LTKOvwEkrcND+szeaG46JMZTG4XOYM=";
   };
 
   postConfigure = "patchShebangs src/plugins/eva/gen-api.sh";
@@ -56,6 +57,7 @@ stdenv.mkDerivation rec {
     lablgtk3 lablgtk3-sourceview3 coq graphviz zarith apron why3 mlgmpidl doxygen
     ppx_deriving ppx_import ppx_deriving_yaml ppx_deriving_yojson
     gdk-pixbuf
+    unionFind
   ];
 
   buildPhase = ''