diff --git a/pkgs/by-name/in/insulator2/package.nix b/pkgs/by-name/in/insulator2/package.nix
index d16bd7061f51..ea9675b86095 100644
--- a/pkgs/by-name/in/insulator2/package.nix
+++ b/pkgs/by-name/in/insulator2/package.nix
@@ -34,10 +34,16 @@ stdenv.mkDerivation (finalAttrs: {
     hash = "sha256-3eDA+pwchnwWtweGeSDlf+Vt0Hoylmanf4hnvJ2YOGU=";
   };
 
+  patches = [
+    # Remove after upstream updates to Yarn 4.14
+    # https://github.com/andrewinci/insulator2/blob/main/package.json#L105
+    ./yarn-4.14-support.patch
+  ];
+
   missingHashes = ./missing-hashes.json;
   offlineCache = yarn-berry_4.fetchYarnBerryDeps {
-    inherit (finalAttrs) src missingHashes;
-    hash = "sha256-3BgvOoGMY86xzSHf6S0265PYOPEgLv77nT6CO9IGdwc=";
+    inherit (finalAttrs) src missingHashes patches;
+    hash = "sha256-IechRla3epfANBESCYgti5/8B3QaPCv6Gp2I4eZNiyI=";
   };
 
   cargoDeps = rustPlatform.fetchCargoVendor {
diff --git a/pkgs/by-name/in/insulator2/yarn-4.14-support.patch b/pkgs/by-name/in/insulator2/yarn-4.14-support.patch
new file mode 100644
index 000000000000..017f2d295ca9
--- /dev/null
+++ b/pkgs/by-name/in/insulator2/yarn-4.14-support.patch
@@ -0,0 +1,21 @@
+diff --git a/.yarnrc.yml b/.yarnrc.yml
+--- a/.yarnrc.yml
++++ b/.yarnrc.yml
+@@ -1 +1,6 @@
+ nodeLinker: node-modules
++
++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: 10c0
+