diff --git a/packages/blobs/package.json b/packages/blobs/package.json
index 7b226eb2..111653fe 100644
--- a/packages/blobs/package.json
+++ b/packages/blobs/package.json
@@ -53,6 +53,7 @@
     "test:ci": "run-s build test:ci:*",
     "test:dev:vitest": "vitest",
     "test:dev:vitest:watch": "vitest watch",
+    "test:ci:types": "tsc --noEmit",
     "test:ci:vitest": "vitest run",
     "publint": "npx -y publint --strict"
   },
diff --git a/packages/blobs/tsconfig.json b/packages/blobs/tsconfig.json
index 7fedf6ee..12987caa 100644
--- a/packages/blobs/tsconfig.json
+++ b/packages/blobs/tsconfig.json
@@ -16,5 +16,5 @@
     "skipLibCheck": true,
     "forceConsistentCasingInFileNames": true
   },
-  "include": ["src"]
+  "include": ["src", "test"]
 }
diff --git a/packages/dev/package.json b/packages/dev/package.json
index 548b67c7..2e7bfb4b 100644
--- a/packages/dev/package.json
+++ b/packages/dev/package.json
@@ -32,9 +32,11 @@
   "scripts": {
     "build": "tsup-node",
     "prepack": "npm run build",
-    "test": "vitest run",
+    "test": "npm run test:types && npm run test:vitest",
     "test:dev": "vitest",
-    "test:ci": "npm run build && vitest run",
+    "test:ci": "npm run build && npm run test:types && npm run test:vitest",
+    "test:types": "tsc --noEmit",
+    "test:vitest": "vitest run",
     "dev": "tsup-node --watch",
     "publint": "npx -y publint --strict"
   },
diff --git a/packages/dev/tsconfig.json b/packages/dev/tsconfig.json
index 15d51fbf..0a7c174d 100644
--- a/packages/dev/tsconfig.json
+++ b/packages/dev/tsconfig.json
@@ -12,5 +12,5 @@
     "strict": true,
     "skipLibCheck": true
   },
-  "include": ["src"]
+  "include": ["src", "test"]
 }
diff --git a/packages/functions/prod/package.json b/packages/functions/prod/package.json
index 6ca55309..8a0ef868 100644
--- a/packages/functions/prod/package.json
+++ b/packages/functions/prod/package.json
@@ -45,6 +45,7 @@
     "test:dev:tsd": "tsd",
     "test:dev:vitest": "vitest",
     "test:ci": "run-s test:ci:*",
+    "test:ci:types": "tsc --noEmit",
     "test:ci:vitest": "npm run build && vitest run",
     "publint": "npx -y publint --strict"
   },
diff --git a/packages/functions/prod/tsconfig.json b/packages/functions/prod/tsconfig.json
index c8b61a25..91a22f59 100644
--- a/packages/functions/prod/tsconfig.json
+++ b/packages/functions/prod/tsconfig.json
@@ -14,5 +14,6 @@
     "skipLibCheck": true,
     "forceConsistentCasingInFileNames": true
   },
-  "include": ["src"]
+  "include": ["src", "test"],
+  "exclude": ["test/types"]
 }