diff --git a/pkgs/development/tools/language-servers/nil/default.nix b/pkgs/development/tools/language-servers/nil/default.nix
index 88d4a6fd3668..e62f445aa5ba 100644
--- a/pkgs/development/tools/language-servers/nil/default.nix
+++ b/pkgs/development/tools/language-servers/nil/default.nix
@@ -14,7 +14,7 @@ rustPlatform.buildRustPackage rec {
   cargoHash = "sha256-lyKPmzuZB9rCBI9JxhxlyDtNHLia8FXGnSgV+D/dwgo=";
 
   nativeBuildInputs = [
-    (lib.getBin nixVersions.latest)
+    (lib.getBin nixVersions.nix_2_23)
   ];
 
   env.CFG_RELEASE = version;