diff --git a/pkgs/development/idris-modules/build-builtin-package.nix b/pkgs/development/idris-modules/build-builtin-package.nix
index 95641a8f9fa1..defe87654034 100644
--- a/pkgs/development/idris-modules/build-builtin-package.nix
+++ b/pkgs/development/idris-modules/build-builtin-package.nix
@@ -1,8 +1,12 @@
 # Build one of the packages that come with idris
 # name: The name of the package
 # deps: The dependencies of the package
-{ idris, build-idris-package, lib }: name: deps: build-idris-package {
-  inherit name;
+{ idris, build-idris-package, lib }: name: deps:
+let
+  inherit (builtins.parseDrvName idris.name) version;
+in
+build-idris-package {
+  name = "${name}-${version}";
 
   propagatedBuildInputs = deps;