diff --git a/package.json b/package.json
index 7b7d9f1b941b..2b33dc5c1473 100644
--- a/package.json
+++ b/package.json
@@ -65,6 +65,6 @@
     "@polkadot/x-textdecoder": "https://github.com/Quantum-Blockchains/common/releases/download/v12.3.2/polkadot-x-textdecoder-12.3.2.tgz",
     "@polkadot/x-textencoder": "https://github.com/Quantum-Blockchains/common/releases/download/v12.3.2/polkadot-x-textencoder-12.3.2.tgz",
     "@polkadot/x-ws": "https://github.com/Quantum-Blockchains/common/releases/download/v12.3.2/polkadot-x-ws-12.3.2.tgz",
-    "typescript": "^5.1.3"
+    "typescript": "^5.0.4"
   }
 }
diff --git a/packages/api-augment/src/detectPackage.ts b/packages/api-augment/src/detectPackage.ts
index 02f6d072692a..e0b3256bdbe1 100644
--- a/packages/api-augment/src/detectPackage.ts
+++ b/packages/api-augment/src/detectPackage.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/api-augment authors & contributors
+// Copyright 2017-2026 @polkadot/api-augment authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/packages/api-augment/src/packageInfo.ts b/packages/api-augment/src/packageInfo.ts
index 34044d5d2ab9..75d25a10752f 100644
--- a/packages/api-augment/src/packageInfo.ts
+++ b/packages/api-augment/src/packageInfo.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/api-augment authors & contributors
+// Copyright 2017-2026 @polkadot/api-augment authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/packages/api-base/src/detectPackage.ts b/packages/api-base/src/detectPackage.ts
index 965ec00fc2fe..0ef440003b02 100644
--- a/packages/api-base/src/detectPackage.ts
+++ b/packages/api-base/src/detectPackage.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/api-base authors & contributors
+// Copyright 2017-2026 @polkadot/api-base authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/packages/api-base/src/packageInfo.ts b/packages/api-base/src/packageInfo.ts
index 8df1c57949e3..5c367fe555ee 100644
--- a/packages/api-base/src/packageInfo.ts
+++ b/packages/api-base/src/packageInfo.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/api-base authors & contributors
+// Copyright 2017-2026 @polkadot/api-base authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/packages/api-contract/src/detectPackage.ts b/packages/api-contract/src/detectPackage.ts
index 7b7554aaf6b0..8775e7bced5e 100644
--- a/packages/api-contract/src/detectPackage.ts
+++ b/packages/api-contract/src/detectPackage.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/api-contract authors & contributors
+// Copyright 2017-2026 @polkadot/api-contract authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/packages/api-contract/src/packageInfo.ts b/packages/api-contract/src/packageInfo.ts
index 997be3a5e736..ceaea56ea575 100644
--- a/packages/api-contract/src/packageInfo.ts
+++ b/packages/api-contract/src/packageInfo.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/api-contract authors & contributors
+// Copyright 2017-2026 @polkadot/api-contract authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/packages/api-derive/src/detectPackage.ts b/packages/api-derive/src/detectPackage.ts
index f18d4df44d83..c43213df3c44 100644
--- a/packages/api-derive/src/detectPackage.ts
+++ b/packages/api-derive/src/detectPackage.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/api-derive authors & contributors
+// Copyright 2017-2026 @polkadot/api-derive authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/packages/api-derive/src/packageInfo.ts b/packages/api-derive/src/packageInfo.ts
index c5b75ad199c8..bfc74fd6f1c7 100644
--- a/packages/api-derive/src/packageInfo.ts
+++ b/packages/api-derive/src/packageInfo.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/api-derive authors & contributors
+// Copyright 2017-2026 @polkadot/api-derive authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/packages/api/src/detectPackage.ts b/packages/api/src/detectPackage.ts
index ef4b51518850..8626f58838b4 100644
--- a/packages/api/src/detectPackage.ts
+++ b/packages/api/src/detectPackage.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/api authors & contributors
+// Copyright 2017-2026 @polkadot/api authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/packages/api/src/packageInfo.ts b/packages/api/src/packageInfo.ts
index 0671c7bbb89d..6c6318e88ed9 100644
--- a/packages/api/src/packageInfo.ts
+++ b/packages/api/src/packageInfo.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/api authors & contributors
+// Copyright 2017-2026 @polkadot/api authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/packages/rpc-augment/src/detectPackage.ts b/packages/rpc-augment/src/detectPackage.ts
index e510b2dac5a4..f29dc092fe7a 100644
--- a/packages/rpc-augment/src/detectPackage.ts
+++ b/packages/rpc-augment/src/detectPackage.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/rpc-augment authors & contributors
+// Copyright 2017-2026 @polkadot/rpc-augment authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/packages/rpc-augment/src/packageInfo.ts b/packages/rpc-augment/src/packageInfo.ts
index 06d064fc041c..5fc69814b781 100644
--- a/packages/rpc-augment/src/packageInfo.ts
+++ b/packages/rpc-augment/src/packageInfo.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/rpc-augment authors & contributors
+// Copyright 2017-2026 @polkadot/rpc-augment authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/packages/rpc-core/src/detectPackage.ts b/packages/rpc-core/src/detectPackage.ts
index d224d2b32a4d..a515a77cd1ee 100644
--- a/packages/rpc-core/src/detectPackage.ts
+++ b/packages/rpc-core/src/detectPackage.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/rpc-core authors & contributors
+// Copyright 2017-2026 @polkadot/rpc-core authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/packages/rpc-core/src/packageInfo.ts b/packages/rpc-core/src/packageInfo.ts
index f5cd415a1ac5..4f5957bcbef6 100644
--- a/packages/rpc-core/src/packageInfo.ts
+++ b/packages/rpc-core/src/packageInfo.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/rpc-core authors & contributors
+// Copyright 2017-2026 @polkadot/rpc-core authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/packages/rpc-provider/src/detectPackage.ts b/packages/rpc-provider/src/detectPackage.ts
index 7b8db3373ef6..37f46bd91302 100644
--- a/packages/rpc-provider/src/detectPackage.ts
+++ b/packages/rpc-provider/src/detectPackage.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/rpc-provider authors & contributors
+// Copyright 2017-2026 @polkadot/rpc-provider authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/packages/rpc-provider/src/packageInfo.ts b/packages/rpc-provider/src/packageInfo.ts
index f98c9c5f3205..b51832a63890 100644
--- a/packages/rpc-provider/src/packageInfo.ts
+++ b/packages/rpc-provider/src/packageInfo.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/rpc-provider authors & contributors
+// Copyright 2017-2026 @polkadot/rpc-provider authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/packages/typegen/src/detectPackage.ts b/packages/typegen/src/detectPackage.ts
index b8843b1b7923..4760ce4db580 100644
--- a/packages/typegen/src/detectPackage.ts
+++ b/packages/typegen/src/detectPackage.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/typegen authors & contributors
+// Copyright 2017-2026 @polkadot/typegen authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/packages/typegen/src/packageInfo.ts b/packages/typegen/src/packageInfo.ts
index 340894aa5d8a..3ce90a419115 100644
--- a/packages/typegen/src/packageInfo.ts
+++ b/packages/typegen/src/packageInfo.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/typegen authors & contributors
+// Copyright 2017-2026 @polkadot/typegen authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/packages/types-augment/src/detectPackage.ts b/packages/types-augment/src/detectPackage.ts
index b1c73daa7e9c..7f02996a4268 100644
--- a/packages/types-augment/src/detectPackage.ts
+++ b/packages/types-augment/src/detectPackage.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/types-augment authors & contributors
+// Copyright 2017-2026 @polkadot/types-augment authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/packages/types-augment/src/packageInfo.ts b/packages/types-augment/src/packageInfo.ts
index 2e1ec3873ad8..8a751e358a19 100644
--- a/packages/types-augment/src/packageInfo.ts
+++ b/packages/types-augment/src/packageInfo.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/types-augment authors & contributors
+// Copyright 2017-2026 @polkadot/types-augment authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/packages/types-codec/src/detectPackage.ts b/packages/types-codec/src/detectPackage.ts
index f970158c7e60..6a5d098193ac 100644
--- a/packages/types-codec/src/detectPackage.ts
+++ b/packages/types-codec/src/detectPackage.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/types-codec authors & contributors
+// Copyright 2017-2026 @polkadot/types-codec authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/packages/types-codec/src/packageInfo.ts b/packages/types-codec/src/packageInfo.ts
index 1528081b5ae8..f8b830b95405 100644
--- a/packages/types-codec/src/packageInfo.ts
+++ b/packages/types-codec/src/packageInfo.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/types-codec authors & contributors
+// Copyright 2017-2026 @polkadot/types-codec authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/packages/types-create/src/detectPackage.ts b/packages/types-create/src/detectPackage.ts
index 072d43eb9d05..593cd636937d 100644
--- a/packages/types-create/src/detectPackage.ts
+++ b/packages/types-create/src/detectPackage.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/types-create authors & contributors
+// Copyright 2017-2026 @polkadot/types-create authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/packages/types-create/src/packageInfo.ts b/packages/types-create/src/packageInfo.ts
index f9fd3a1dcee9..e1b0b04085fa 100644
--- a/packages/types-create/src/packageInfo.ts
+++ b/packages/types-create/src/packageInfo.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/types-create authors & contributors
+// Copyright 2017-2026 @polkadot/types-create authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/packages/types-known/src/detectPackage.ts b/packages/types-known/src/detectPackage.ts
index d1fc21df9e98..009116d46234 100644
--- a/packages/types-known/src/detectPackage.ts
+++ b/packages/types-known/src/detectPackage.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/types-known authors & contributors
+// Copyright 2017-2026 @polkadot/types-known authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/packages/types-known/src/packageInfo.ts b/packages/types-known/src/packageInfo.ts
index 06fd85bc9652..ec6c1f427e92 100644
--- a/packages/types-known/src/packageInfo.ts
+++ b/packages/types-known/src/packageInfo.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/types-known authors & contributors
+// Copyright 2017-2026 @polkadot/types-known authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/packages/types-support/src/detectPackage.ts b/packages/types-support/src/detectPackage.ts
index 6a70c8dae34e..0ee7043af64a 100644
--- a/packages/types-support/src/detectPackage.ts
+++ b/packages/types-support/src/detectPackage.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/types-support authors & contributors
+// Copyright 2017-2026 @polkadot/types-support authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/packages/types-support/src/packageInfo.ts b/packages/types-support/src/packageInfo.ts
index 92aa8b63b020..c6469f3953f1 100644
--- a/packages/types-support/src/packageInfo.ts
+++ b/packages/types-support/src/packageInfo.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/types-support authors & contributors
+// Copyright 2017-2026 @polkadot/types-support authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/packages/types/src/detectPackage.ts b/packages/types/src/detectPackage.ts
index b0bbd981d691..d0bbf93f7b45 100644
--- a/packages/types/src/detectPackage.ts
+++ b/packages/types/src/detectPackage.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/types authors & contributors
+// Copyright 2017-2026 @polkadot/types authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/packages/types/src/packageInfo.ts b/packages/types/src/packageInfo.ts
index 1d2e978d7d8a..30b9f3884cc8 100644
--- a/packages/types/src/packageInfo.ts
+++ b/packages/types/src/packageInfo.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 @polkadot/types authors & contributors
+// Copyright 2017-2026 @polkadot/types authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
diff --git a/yarn.lock b/yarn.lock
index 39063cf3e4d7..12a47321e387 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8573,23 +8573,23 @@ fsevents@~2.3.2:
   languageName: node
   linkType: hard
 
-"typescript@npm:^5.1.3":
-  version: 5.9.3
-  resolution: "typescript@npm:5.9.3"
+"typescript@npm:^5.0.4":
+  version: 5.0.4
+  resolution: "typescript@npm:5.0.4"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: 0d0ffb84f2cd072c3e164c79a2e5a1a1f4f168e84cb2882ff8967b92afe1def6c2a91f6838fb58b168428f9458c57a2ba06a6737711fdd87a256bbe83e9a217f
+  checksum: 82b94da3f4604a8946da585f7d6c3025fff8410779e5bde2855ab130d05e4fd08938b9e593b6ebed165bda6ad9292b230984f10952cf82f0a0ca07bbeaa08172
   languageName: node
   linkType: hard
 
-"typescript@patch:typescript@npm%3A^5.1.3#~builtin<compat/typescript>":
-  version: 5.9.3
-  resolution: "typescript@patch:typescript@npm%3A5.9.3#~builtin<compat/typescript>::version=5.9.3&hash=bda367"
+"typescript@patch:typescript@npm%3A^5.0.4#~builtin<compat/typescript>":
+  version: 5.0.4
+  resolution: "typescript@patch:typescript@npm%3A5.0.4#~builtin<compat/typescript>::version=5.0.4&hash=bda367"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: 8bb8d86819ac86a498eada254cad7fb69c5f74778506c700c2a712daeaff21d3a6f51fd0d534fe16903cb010d1b74f89437a3d02d4d0ff5ca2ba9a4660de8497
+  checksum: 6a1fe9a77bb9c5176ead919cc4a1499ee63e46b4e05bf667079f11bf3a8f7887f135aa72460a4c3b016e6e6bb65a822cb8689a6d86cbfe92d22cc9f501f09213
   languageName: node
   linkType: hard