diff --git a/.c8rc.json b/.c8rc.json
index 477ad6c..8734c3d 100644
--- a/.c8rc.json
+++ b/.c8rc.json
@@ -3,7 +3,7 @@
     "**/index.ts",
     "package/**/*.ts",
     "examples/**/*.ts",
-    "**/*.spec.ts",
+    "**/*.test.ts",
     "ava.config.js"
   ],
   "reporter": ["html", "lcov", "text"]
diff --git a/ava.config.js b/ava.config.js
index c8ab21d..4b70149 100644
--- a/ava.config.js
+++ b/ava.config.js
@@ -1,7 +1,7 @@
 export default () => {
   return {
     ignoredByWatcher: ['tmp/**/*'],
-    files: ['**/*.spec.ts', '!package/**/*'],
+    files: ['**/*.test.ts', '!package/**/*'],
     environmentVariables: {
       // UPSTREAM: https://nodejs.org/docs/latest-v18.x/api/esm.html#loaders
       NODE_NO_WARNINGS: '1'
diff --git a/package.json b/package.json
index ee04a26..a4e30da 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "lib",
     "src",
     "!test",
-    "!**/*.spec.ts"
+    "!**/*.test.ts"
   ],
   "scripts": {
     "build": "npm run build:ts",
diff --git a/src/lib/todo.spec.ts b/src/lib/todo.test.ts
similarity index 100%
rename from src/lib/todo.spec.ts
rename to src/lib/todo.test.ts
diff --git a/test/todo.spec.ts b/test/todo.test.ts
similarity index 100%
rename from test/todo.spec.ts
rename to test/todo.test.ts
diff --git a/tsconfig.build.json b/tsconfig.build.json
index 0cb87ac..187ae37 100644
--- a/tsconfig.build.json
+++ b/tsconfig.build.json
@@ -9,5 +9,5 @@
   },
   "files": ["src/index.ts"],
   "include": ["src/**/*"],
-  "exclude": ["**/*.spec.ts"]
+  "exclude": ["**/*.test.ts"]
 }