diff --git a/dfinity-candid-3.0.0-patch.tgz b/dfinity-candid-3.0.0-patch.tgz
new file mode 100644
index 0000000..285b496
Binary files /dev/null and b/dfinity-candid-3.0.0-patch.tgz differ
diff --git a/idl_instance_1/package-lock.json b/idl_instance_1/package-lock.json
index 01ddabe..6cce7a6 100644
--- a/idl_instance_1/package-lock.json
+++ b/idl_instance_1/package-lock.json
@@ -6,32 +6,32 @@
   "packages": {
     "": {
       "dependencies": {
-        "@dfinity/candid": "^2.3.0"
+        "@dfinity/candid": "file:../dfinity-candid-3.0.0-patch.tgz"
       }
     },
     "node_modules/@dfinity/candid": {
-      "version": "2.3.0",
-      "resolved": "https://registry.npmjs.org/@dfinity/candid/-/candid-2.3.0.tgz",
-      "integrity": "sha512-Xzj3EWfwaVZy90jq6WBRP4Cyqo93r3g8tvBea8W8PN3I4W6KcN2/9ZJaBhT3Y4NP+p2w4ZO6aJ+qp9xH990aYw==",
+      "version": "3.0.0",
+      "resolved": "file:../dfinity-candid-3.0.0-patch.tgz",
+      "integrity": "sha512-UxeeXyUK6hDXM8bNFDtvEql58ve8m4RFoOMkCHx+FNp4iNyGmslqQWbCAqzWDC+nOMmoOPBOYbrlgkTtL7m9VQ==",
       "license": "Apache-2.0",
       "peerDependencies": {
-        "@dfinity/principal": "^2.3.0"
+        "@dfinity/principal": "3.0.0"
       }
     },
     "node_modules/@dfinity/principal": {
-      "version": "2.3.0",
-      "resolved": "https://registry.npmjs.org/@dfinity/principal/-/principal-2.3.0.tgz",
-      "integrity": "sha512-rb3TsxR3L/Vq2GWV/GGIMXPbzDDqxNohPbNW8nJKhpcm8Ds00tCVEmPUDqrn735xJW0Pmzog/6/S1L9jG2UT9g==",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/@dfinity/principal/-/principal-3.0.0.tgz",
+      "integrity": "sha512-qgWzxzZqC9s/4L/ITSkkeh+VGlTsiViQypqBiIDy1AEVnNhK/EINFke01ur4+a+GcGRrN410enaoQ6tPHYlnjQ==",
       "license": "Apache-2.0",
       "peer": true,
       "dependencies": {
-        "@noble/hashes": "^1.3.1"
+        "@noble/hashes": "^1.8.0"
       }
     },
     "node_modules/@noble/hashes": {
-      "version": "1.7.1",
-      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.7.1.tgz",
-      "integrity": "sha512-B8XBPsn4vT/KJAGqDzbwztd+6Yte3P4V7iafm24bxgDe/mlRuK6xmWPuCNrKt2vDafZ8MfJLlchDG/vYafQEjQ==",
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.8.0.tgz",
+      "integrity": "sha512-jCs9ldd7NwzpgXDIf6P3+NrHh9/sD6CQdxHyjQI+h/6rDNo88ypBxxz45UDuZHz9r3tNz7N/VInSVoVdtXEI4A==",
       "license": "MIT",
       "peer": true,
       "engines": {
diff --git a/idl_instance_1/package.json b/idl_instance_1/package.json
index 5a28d74..a27343a 100644
--- a/idl_instance_1/package.json
+++ b/idl_instance_1/package.json
@@ -1,6 +1,5 @@
 {
-  "main": "index.js",
   "dependencies": {
-    "@dfinity/candid": "^2.3.0"
+    "@dfinity/candid": "file:../dfinity-candid-3.0.0-patch.tgz"
   }
 }
diff --git a/idl_instance_2/package-lock.json b/idl_instance_2/package-lock.json
index 32171a9..33358d9 100644
--- a/idl_instance_2/package-lock.json
+++ b/idl_instance_2/package-lock.json
@@ -6,32 +6,32 @@
   "packages": {
     "": {
       "dependencies": {
-        "@dfinity/candid": "^2.3.0"
+        "@dfinity/candid": "file:../dfinity-candid-3.0.0-patch.tgz"
       }
     },
     "node_modules/@dfinity/candid": {
-      "version": "2.3.0",
-      "resolved": "https://registry.npmjs.org/@dfinity/candid/-/candid-2.3.0.tgz",
-      "integrity": "sha512-Xzj3EWfwaVZy90jq6WBRP4Cyqo93r3g8tvBea8W8PN3I4W6KcN2/9ZJaBhT3Y4NP+p2w4ZO6aJ+qp9xH990aYw==",
+      "version": "3.0.0",
+      "resolved": "file:../dfinity-candid-3.0.0-patch.tgz",
+      "integrity": "sha512-UxeeXyUK6hDXM8bNFDtvEql58ve8m4RFoOMkCHx+FNp4iNyGmslqQWbCAqzWDC+nOMmoOPBOYbrlgkTtL7m9VQ==",
       "license": "Apache-2.0",
       "peerDependencies": {
-        "@dfinity/principal": "^2.3.0"
+        "@dfinity/principal": "3.0.0"
       }
     },
     "node_modules/@dfinity/principal": {
-      "version": "2.3.0",
-      "resolved": "https://registry.npmjs.org/@dfinity/principal/-/principal-2.3.0.tgz",
-      "integrity": "sha512-rb3TsxR3L/Vq2GWV/GGIMXPbzDDqxNohPbNW8nJKhpcm8Ds00tCVEmPUDqrn735xJW0Pmzog/6/S1L9jG2UT9g==",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/@dfinity/principal/-/principal-3.0.0.tgz",
+      "integrity": "sha512-qgWzxzZqC9s/4L/ITSkkeh+VGlTsiViQypqBiIDy1AEVnNhK/EINFke01ur4+a+GcGRrN410enaoQ6tPHYlnjQ==",
       "license": "Apache-2.0",
       "peer": true,
       "dependencies": {
-        "@noble/hashes": "^1.3.1"
+        "@noble/hashes": "^1.8.0"
       }
     },
     "node_modules/@noble/hashes": {
-      "version": "1.7.1",
-      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.7.1.tgz",
-      "integrity": "sha512-B8XBPsn4vT/KJAGqDzbwztd+6Yte3P4V7iafm24bxgDe/mlRuK6xmWPuCNrKt2vDafZ8MfJLlchDG/vYafQEjQ==",
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.8.0.tgz",
+      "integrity": "sha512-jCs9ldd7NwzpgXDIf6P3+NrHh9/sD6CQdxHyjQI+h/6rDNo88ypBxxz45UDuZHz9r3tNz7N/VInSVoVdtXEI4A==",
       "license": "MIT",
       "peer": true,
       "engines": {
diff --git a/idl_instance_2/package.json b/idl_instance_2/package.json
index 5a28d74..a27343a 100644
--- a/idl_instance_2/package.json
+++ b/idl_instance_2/package.json
@@ -1,6 +1,5 @@
 {
-  "main": "index.js",
   "dependencies": {
-    "@dfinity/candid": "^2.3.0"
+    "@dfinity/candid": "file:../dfinity-candid-3.0.0-patch.tgz"
   }
 }
diff --git a/test.ts b/test.ts
index 4093e47..d802d8a 100644
--- a/test.ts
+++ b/test.ts
@@ -1,16 +1,26 @@
 import { IDL as IDL1 } from "./idl_instance_1";
 import { IDL as IDL2 } from "./idl_instance_2";
 
-function test(): Uint8Array {
+function test(): [Uint8Array, Uint8Array] {
   const blobIDL1 = IDL1.Vec(IDL1.Nat8);
+  const blobIDL2 = IDL2.Vec(IDL2.Nat8);
 
   const encoded = IDL1.encode([blobIDL1], [[1, 2, 3]]);
-  const decoded = IDL2.decode([blobIDL1], encoded);
+  // this was fine even before the patch
+  const decoded = IDL2.decode([blobIDL2], encoded);
 
-  return decoded[0] as unknown as Uint8Array;
+  // this was broken before the patch
+  const decodedUsingIdl1Types = IDL2.decode([blobIDL1], encoded);
+
+  console.log({ decoded, decodedUsingIdl1Types });
+
+  return [
+    decoded[0] as unknown as Uint8Array,
+    decodedUsingIdl1Types[0] as unknown as Uint8Array,
+  ];
 }
 
 const result = test();
 
 console.log(result);
-// Should print out something like: Uint8Array(3) [ 1, 2, 3 ]
+// Should print out something like: [ Uint8Array(3) [ 1, 2, 3 ], Uint8Array(3) [ 1, 2, 3 ] ]