diff --git a/pkgs/by-name/pr/prettier/package.nix b/pkgs/by-name/pr/prettier/package.nix
index 66a29f0c2660..791506a71b0f 100644
--- a/pkgs/by-name/pr/prettier/package.nix
+++ b/pkgs/by-name/pr/prettier/package.nix
@@ -80,11 +80,17 @@ stdenv.mkDerivation (finalAttrs: {
     hash = "sha256-uMLRFBZP7/42R6nReONcb9/kVGCn3yGHLcLFajMZLmQ=";
   };
 
+  patches = [
+    # Remove after upstream updates to Yarn 4.14
+    # https://github.com/prettier/prettier/blob/main/package.json#L265
+    ./yarn-4.14-support.patch
+  ];
+
   missingHashes = ./missing-hashes.json;
 
   offlineCache = yarn-berry.fetchYarnBerryDeps {
-    inherit (finalAttrs) src missingHashes;
-    hash = "sha256-dpxzbtWyXsHS6tH6DJ9OqSsUSc+YqYeAPJYb95Qy5wQ=";
+    inherit (finalAttrs) src missingHashes patches;
+    hash = "sha256-+cDMrVwkTU5rYOQ7d2TqpsYx5F4JVZCpmf1vjOBhZ3M=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/by-name/pr/prettier/yarn-4.14-support.patch b/pkgs/by-name/pr/prettier/yarn-4.14-support.patch
new file mode 100644
index 000000000000..ac5d685b2049
--- /dev/null
+++ b/pkgs/by-name/pr/prettier/yarn-4.14-support.patch
@@ -0,0 +1,23 @@
+diff --git a/.yarnrc.yml b/.yarnrc.yml
+--- a/.yarnrc.yml
++++ b/.yarnrc.yml
+@@ -9,4 +9,7 @@ nodeLinker: node-modules
+ plugins:
+   - .yarn/plugins/plugin-setup-editor.cjs
+ 
+-yarnPath: .yarn/releases/yarn-4.9.2.cjs
++approvedGitRepositories:
++ - "**"
++
++enableScripts: true
+diff --git a/yarn.lock b/yarn.lock
+--- a/yarn.lock
++++ b/yarn.lock
+@@ -2,6 +2,6 @@
+ # Manual changes might be lost - proceed with caution!
+ 
+ __metadata:
+-  version: 8
++  version: 9
+   cacheKey: 10
+