diff --git a/pkgs/development/compilers/llvm/common/mlir/default.nix b/pkgs/development/compilers/llvm/common/mlir/default.nix
index 40733ac29bb5..fc3c7cb9116b 100644
--- a/pkgs/development/compilers/llvm/common/mlir/default.nix
+++ b/pkgs/development/compilers/llvm/common/mlir/default.nix
@@ -88,8 +88,6 @@ stdenv.mkDerivation (finalAttrs: {
   ];
 
   meta = llvm_meta // {
-    # Very broken since the dependencies aren't propagating at all with tblgen through the CMake.
-    broken = lib.versionAtLeast release_version "20";
     homepage = "https://mlir.llvm.org/";
     description = "Multi-Level IR Compiler Framework";
     longDescription = ''
diff --git a/pkgs/development/compilers/llvm/default.nix b/pkgs/development/compilers/llvm/default.nix
index 67695cc82da7..39d53c5f1397 100644
--- a/pkgs/development/compilers/llvm/default.nix
+++ b/pkgs/development/compilers/llvm/default.nix
@@ -31,7 +31,7 @@ let
     "17.0.6".officialRelease.sha256 = "sha256-8MEDLLhocshmxoEBRSKlJ/GzJ8nfuzQ8qn0X/vLA+ag=";
     "18.1.8".officialRelease.sha256 = "sha256-iiZKMRo/WxJaBXct9GdAcAT3cz9d9pnAcO1mmR6oPNE=";
     "19.1.7".officialRelease.sha256 = "sha256-cZAB5vZjeTsXt9QHbP5xluWNQnAHByHtHnAhVDV0E6I=";
-    "20.1.3".officialRelease.sha256 = "sha256-sOl90iRBlD+DGJs72JrP9cJz6XmWs/5PL+uW4nt6LA0=";
+    "20.1.4".officialRelease.sha256 = "sha256-/WomqG2DdnUHwlVsMfpzaK/dhGV3zychfU0wLmihQac=";
     "21.0.0-git".gitRelease = {
       rev = "ed95624e208e5bf7c3eeadfccee0fb6060a4ca98";
       rev-version = "21.0.0-unstable-2025-04-27";