diff --git a/solidity/ecdsa/package.json b/solidity/ecdsa/package.json
index e1743eb8e4..d7435ac26a 100644
--- a/solidity/ecdsa/package.json
+++ b/solidity/ecdsa/package.json
@@ -69,7 +69,7 @@
     "solidity-docgen": "^0.6.0-beta.35",
     "ts-node": "^10.4.0",
     "typechain": "^6.1.0",
-    "typescript": "^5.9.3"
+    "typescript": "^6.0.3"
   },
   "dependencies": {
     "@keep-network/random-beacon": "development",
diff --git a/solidity/ecdsa/tsconfig.json b/solidity/ecdsa/tsconfig.json
index 14c885c43b..3ab398d722 100644
--- a/solidity/ecdsa/tsconfig.json
+++ b/solidity/ecdsa/tsconfig.json
@@ -2,6 +2,22 @@
   "files": ["./hardhat.config.ts"],
   "include": ["./deploy", "./tasks", "./test", "./typechain", "./types"],
   "compilerOptions": {
+    // TypeScript 6 turns `strict` on by default. Pinned off so the bump stays
+    // behaviour-preserving; this package has not been through strict yet.
+    "strict": false,
+    // TypeScript 6 stopped including every `node_modules/@types` package
+    // automatically, which silently drops the mocha and chai globals. These
+    // are the four that contribute globals here.
+    "types": ["mocha", "chai", "chai-as-promised", "node"],
+    // Required by TypeScript 6 once a project spans several top-level
+    // directories. `--noEmit` does not need it, but ts-node's emit path does,
+    // so hardhat will not start without it.
+    "rootDir": ".",
+    // `target: es5` is deprecated in 6 and removed in 7. tsconfig.export.json
+    // builds the published `export/` bundle at that target, and `prepare` runs
+    // it on install, so silencing it here keeps both working. Raising the
+    // export target is required before TypeScript 7 and is its own change.
+    "ignoreDeprecations": "6.0",
     "esModuleInterop": true,
     "skipLibCheck": true
   }
diff --git a/solidity/ecdsa/yarn.lock b/solidity/ecdsa/yarn.lock
index fa9dd59a01..f4561486d3 100644
--- a/solidity/ecdsa/yarn.lock
+++ b/solidity/ecdsa/yarn.lock
@@ -1297,7 +1297,7 @@ __metadata:
     solidity-docgen: "npm:^0.6.0-beta.35"
     ts-node: "npm:^10.4.0"
     typechain: "npm:^6.1.0"
-    typescript: "npm:^5.9.3"
+    typescript: "npm:^6.0.3"
   languageName: unknown
   linkType: soft
 
@@ -11136,23 +11136,23 @@ __metadata:
   languageName: node
   linkType: hard
 
-"typescript@npm:^5.9.3":
-  version: 5.9.3
-  resolution: "typescript@npm:5.9.3"
+"typescript@npm:^6.0.3":
+  version: 6.0.3
+  resolution: "typescript@npm:6.0.3"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: 10c0/6bd7552ce39f97e711db5aa048f6f9995b53f1c52f7d8667c1abdc1700c68a76a308f579cd309ce6b53646deb4e9a1be7c813a93baaf0a28ccd536a30270e1c5
+  checksum: 10c0/4a25ff5045b984370f48f196b3a0120779b1b343d40b9a68d114ea5e5fff099809b2bb777576991a63a5cd59cf7bffd96ff6fe10afcefbcb8bd6fb96ad4b6606
   languageName: node
   linkType: hard
 
-"typescript@patch:typescript@npm%3A^5.9.3#optional!builtin<compat/typescript>":
-  version: 5.9.3
-  resolution: "typescript@patch:typescript@npm%3A5.9.3#optional!builtin<compat/typescript>::version=5.9.3&hash=5786d5"
+"typescript@patch:typescript@npm%3A^6.0.3#optional!builtin<compat/typescript>":
+  version: 6.0.3
+  resolution: "typescript@patch:typescript@npm%3A6.0.3#optional!builtin<compat/typescript>::version=6.0.3&hash=5786d5"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: 10c0/ad09fdf7a756814dce65bc60c1657b40d44451346858eea230e10f2e95a289d9183b6e32e5c11e95acc0ccc214b4f36289dcad4bf1886b0adb84d711d336a430
+  checksum: 10c0/2f25c74e65663c248fa1ade2b8459d9ce5372ff9dad07067310f132966ebec1d93f6c42f0baf77a6b6a7a91460463f708e6887013aaade22111037457c6b25df
   languageName: node
   linkType: hard
 
diff --git a/solidity/random-beacon/package.json b/solidity/random-beacon/package.json
index 95747df7a6..f4046a977c 100644
--- a/solidity/random-beacon/package.json
+++ b/solidity/random-beacon/package.json
@@ -71,7 +71,7 @@
     "solidity-docgen": "^0.6.0-beta.35",
     "ts-node": "^10.2.1",
     "typechain": "^8.3.2",
-    "typescript": "^5.9.3"
+    "typescript": "^6.0.3"
   },
   "engines": {
     "node": ">=22.0.0"
diff --git a/solidity/random-beacon/tsconfig.json b/solidity/random-beacon/tsconfig.json
index 721a0a2caf..2edb145ab9 100644
--- a/solidity/random-beacon/tsconfig.json
+++ b/solidity/random-beacon/tsconfig.json
@@ -10,6 +10,26 @@
     "./tasks"
   ],
   "compilerOptions": {
+    // TypeScript 6 turns `strict` on by default. Pinned off so the bump stays
+    // behaviour-preserving. `noImplicitAny` below is the one strict flag this
+    // package had already opted into, and it is kept.
+    "strict": false,
+    // TypeScript 6 stopped including every `node_modules/@types` package
+    // automatically, which silently drops the mocha and chai globals. These
+    // are the three that contribute globals here.
+    "types": ["mocha", "chai", "node"],
+    // Required by TypeScript 6 once a project spans several top-level
+    // directories. `--noEmit` does not need it, but ts-node's emit path does,
+    // so hardhat will not start without it.
+    "rootDir": ".",
+    // Two deprecations are silenced here, both belonging to the published
+    // `export/` bundle that `prepack` builds through tsconfig.export.json:
+    // `target: es5` itself, and `downlevelIteration`, which still changes
+    // emit at that target. Both are removed in TypeScript 7, so the export
+    // target has to be raised before then; doing it is its own change, and
+    // guessing that the option is inert would alter an artifact downstream
+    // packages consume.
+    "ignoreDeprecations": "6.0",
     "esModuleInterop": true,
     "noImplicitAny": true,
     "downlevelIteration": true,
diff --git a/solidity/random-beacon/yarn.lock b/solidity/random-beacon/yarn.lock
index 6ae0aa40e1..39ec33bdb9 100644
--- a/solidity/random-beacon/yarn.lock
+++ b/solidity/random-beacon/yarn.lock
@@ -1206,7 +1206,7 @@ __metadata:
     solidity-docgen: "npm:^0.6.0-beta.35"
     ts-node: "npm:^10.2.1"
     typechain: "npm:^8.3.2"
-    typescript: "npm:^5.9.3"
+    typescript: "npm:^6.0.3"
   languageName: unknown
   linkType: soft
 
@@ -13560,23 +13560,23 @@ __metadata:
   languageName: node
   linkType: hard
 
-"typescript@npm:^5.9.3":
-  version: 5.9.3
-  resolution: "typescript@npm:5.9.3"
+"typescript@npm:^6.0.3":
+  version: 6.0.3
+  resolution: "typescript@npm:6.0.3"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: 10c0/6bd7552ce39f97e711db5aa048f6f9995b53f1c52f7d8667c1abdc1700c68a76a308f579cd309ce6b53646deb4e9a1be7c813a93baaf0a28ccd536a30270e1c5
+  checksum: 10c0/4a25ff5045b984370f48f196b3a0120779b1b343d40b9a68d114ea5e5fff099809b2bb777576991a63a5cd59cf7bffd96ff6fe10afcefbcb8bd6fb96ad4b6606
   languageName: node
   linkType: hard
 
-"typescript@patch:typescript@npm%3A^5.9.3#optional!builtin<compat/typescript>":
-  version: 5.9.3
-  resolution: "typescript@patch:typescript@npm%3A5.9.3#optional!builtin<compat/typescript>::version=5.9.3&hash=5786d5"
+"typescript@patch:typescript@npm%3A^6.0.3#optional!builtin<compat/typescript>":
+  version: 6.0.3
+  resolution: "typescript@patch:typescript@npm%3A6.0.3#optional!builtin<compat/typescript>::version=6.0.3&hash=5786d5"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: 10c0/ad09fdf7a756814dce65bc60c1657b40d44451346858eea230e10f2e95a289d9183b6e32e5c11e95acc0ccc214b4f36289dcad4bf1886b0adb84d711d336a430
+  checksum: 10c0/2f25c74e65663c248fa1ade2b8459d9ce5372ff9dad07067310f132966ebec1d93f6c42f0baf77a6b6a7a91460463f708e6887013aaade22111037457c6b25df
   languageName: node
   linkType: hard