diff --git a/README.md b/README.md
index f32b22e..857f079 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ const output = snappyUncompress(compressed, outputLength)
 
 Hysnappy was built specifically to accelerate the the [hyparquet](https://github.com/hyparam/hyparquet) parquet parsing library.
 
-The library exports a loader function `snappyUncompressor()` which loads the WASM module once, and returns a pre-loaded version of `snappyUncompress` function.
+Hysnappy exports a loader function `snappyUncompressor()` which loads the WASM module once, and returns a pre-loaded version of `snappyUncompress` function.
 
 To use hysnappy with hyparquet:
 
diff --git a/hysnappy.d.ts b/hysnappy.d.ts
index a71f573..7de7f34 100644
--- a/hysnappy.d.ts
+++ b/hysnappy.d.ts
@@ -4,7 +4,7 @@
  * @param {Uint8Array} input
  * @param {Uint8Array} output
  */
-export async function snappyUncompress(input: Uint8Array, outputLength: number): Uint8Array
+export function snappyUncompress(input: Uint8Array, outputLength: number): Uint8Array
 
 /**
  * Load wasm and return uncompressor function.
diff --git a/package.json b/package.json
index 1b72249..92e4ee6 100644
--- a/package.json
+++ b/package.json
@@ -31,11 +31,11 @@
   "devDependencies": {
     "@babel/eslint-parser": "7.24.1",
     "@types/node": "20.12.7",
-    "@vitest/coverage-v8": "1.5.0",
+    "@vitest/coverage-v8": "1.5.2",
     "eslint": "8.57.0",
     "eslint-plugin-import": "2.29.1",
     "eslint-plugin-jsdoc": "48.2.3",
     "snappyjs": "0.7.0",
-    "vitest": "1.5.0"
+    "vitest": "1.5.2"
   }
 }
diff --git a/tsconfig.json b/tsconfig.json
index 97a29a8..1225936 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -6,7 +6,7 @@
       "module": "nodenext",
       "noEmit": true,
       "resolveJsonModule": true,
-      "skipLibCheck": true,
+      "skipLibCheck": false,
       "strict": true,
       "target": "esnext"
     },