diff --git a/pkgs/by-name/jo/joplin-desktop/buildPlugin.nix b/pkgs/by-name/jo/joplin-desktop/buildPlugin.nix
index 4ef26f8e1fb1..40b2d68d036a 100644
--- a/pkgs/by-name/jo/joplin-desktop/buildPlugin.nix
+++ b/pkgs/by-name/jo/joplin-desktop/buildPlugin.nix
@@ -1,8 +1,10 @@
 {
   lib,
+  stdenv,
   fetchzip,
   npm-lockfile-fix,
   buildNpmPackage,
+  clang_20,
 
   name,
   url,
@@ -22,6 +24,10 @@ buildNpmPackage {
     '';
   };
 
+  nativeBuildInputs = lib.optionals stdenv.hostPlatform.isDarwin [
+    clang_20 # clang_21 breaks keytar
+  ];
+
   postPatch = ''
     sed -i '/preinstall/d' package.json
   '';
diff --git a/pkgs/by-name/jo/joplin-desktop/package.nix b/pkgs/by-name/jo/joplin-desktop/package.nix
index 8c90b9572407..ec93ead2a33d 100644
--- a/pkgs/by-name/jo/joplin-desktop/package.nix
+++ b/pkgs/by-name/jo/joplin-desktop/package.nix
@@ -19,6 +19,7 @@
   callPackage,
   runCommand,
   libGL,
+  clang_20,
 }:
 
 let
@@ -99,6 +100,7 @@ stdenv.mkDerivation (finalAttrs: {
   ++ lib.optionals stdenv.hostPlatform.isDarwin [
     xcbuild
     buildPackages.cctools
+    clang_20 # clang_21 breaks keytar, sqlite
   ]
   ++ lib.optionals stdenv.hostPlatform.isLinux [
     copyDesktopItems