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-rw-r--r--pkgs/top-level/all-packages.nix4
1 files changed, 3 insertions, 1 deletions
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 0381aa50a05d..7487ff65d696 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -19463,7 +19463,9 @@ in
 
   inherit (ocamlPackages) stog;
 
-  stp = callPackage ../applications/science/logic/stp {};
+  stp = callPackage ../applications/science/logic/stp {
+    bison = bison2;
+  };
 
   stumpish = callPackage ../applications/window-managers/stumpish {};