diff --git a/packages/coda/knip.json b/packages/coda/knip.json
index 6e7a2d4..0afea65 100644
--- a/packages/coda/knip.json
+++ b/packages/coda/knip.json
@@ -2,6 +2,6 @@
   "$schema": "https://unpkg.com/knip@6/schema.json",
   "ignore": ["**/__tests__/**", "*.config.ts"],
   "entry": ["./src/index.ts!"],
-  "ignoreBinaries": ["tsdown", "knip", "oxlint", "vitest", "tsc"],
+  "ignoreBinaries": ["tsdown", "knip", "oxlint", "vitest", "tsgo"],
   "vitest": { "config": "vitest.config.ts", "entry": "src/**/*.{test,test-d,bench}.ts" }
 }
diff --git a/packages/coda/package.json b/packages/coda/package.json
index 063601c..a881112 100644
--- a/packages/coda/package.json
+++ b/packages/coda/package.json
@@ -54,7 +54,7 @@
     "access": "public"
   },
   "scripts": {
-    "build": "tsc --noEmit -p tsconfig.json && tsdown",
+    "build": "tsgo --noEmit -p tsconfig.json && tsdown",
     "dev": "tsdown --watch",
     "prepack": "pnpm build",
     "bench": "vitest bench",
diff --git a/packages/coda/vitest.config.ts b/packages/coda/vitest.config.ts
index 6e0e0df..fd28dfa 100644
--- a/packages/coda/vitest.config.ts
+++ b/packages/coda/vitest.config.ts
@@ -2,7 +2,7 @@ import { defineConfig } from "vitest/config"
 
 export default defineConfig({
   test: {
-    typecheck: { enabled: true },
+    typecheck: { enabled: true, checker: "tsgo" },
     restoreMocks: true,
   },
 })
diff --git a/packages/core/knip.json b/packages/core/knip.json
index 6e7a2d4..0afea65 100644
--- a/packages/core/knip.json
+++ b/packages/core/knip.json
@@ -2,6 +2,6 @@
   "$schema": "https://unpkg.com/knip@6/schema.json",
   "ignore": ["**/__tests__/**", "*.config.ts"],
   "entry": ["./src/index.ts!"],
-  "ignoreBinaries": ["tsdown", "knip", "oxlint", "vitest", "tsc"],
+  "ignoreBinaries": ["tsdown", "knip", "oxlint", "vitest", "tsgo"],
   "vitest": { "config": "vitest.config.ts", "entry": "src/**/*.{test,test-d,bench}.ts" }
 }
diff --git a/packages/core/package.json b/packages/core/package.json
index 5f1fc06..d08959f 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -58,7 +58,7 @@
     "access": "public"
   },
   "scripts": {
-    "build": "tsc --noEmit -p tsconfig.json && tsdown",
+    "build": "tsgo --noEmit -p tsconfig.json && tsdown",
     "dev": "tsdown --watch",
     "prepack": "pnpm build",
     "bench": "vitest bench",
diff --git a/packages/core/vitest.config.ts b/packages/core/vitest.config.ts
index 01f0e8c..2897ae9 100644
--- a/packages/core/vitest.config.ts
+++ b/packages/core/vitest.config.ts
@@ -2,7 +2,7 @@ import { defineConfig } from "vitest/config"
 
 export default defineConfig({
   test: {
-    typecheck: { enabled: true },
+    typecheck: { enabled: true, checker: "tsgo" },
   },
 
   resolve: {
diff --git a/packages/eslint-plugin/knip.json b/packages/eslint-plugin/knip.json
index 4cf16d7..52f6fe3 100644
--- a/packages/eslint-plugin/knip.json
+++ b/packages/eslint-plugin/knip.json
@@ -2,7 +2,7 @@
   "$schema": "https://unpkg.com/knip@6/schema.json",
   "ignore": ["*.config.ts"],
   "entry": ["./src/index.ts!"],
-  "ignoreBinaries": ["tsdown", "knip", "oxlint", "vitest"],
+  "ignoreBinaries": ["tsdown", "knip", "oxlint", "vitest", "tsgo"],
   "ignoreDependencies": ["@app-compose/coda", "@app-compose/core", "vitest"],
   "vitest": { "config": "vitest.config.ts", "entry": "src/**/*.test.ts" }
 }
diff --git a/packages/eslint-plugin/package.json b/packages/eslint-plugin/package.json
index 902188c..2b6362a 100644
--- a/packages/eslint-plugin/package.json
+++ b/packages/eslint-plugin/package.json
@@ -51,7 +51,7 @@
     "access": "public"
   },
   "scripts": {
-    "build": "tsc --noEmit -p tsconfig.json && tsdown",
+    "build": "tsgo --noEmit -p tsconfig.json && tsdown",
     "dev": "tsdown --watch",
     "prepack": "pnpm build",
     "test": "vitest run",