diff --git a/lib/document_stores/file.js b/lib/document_stores/file.js
index 44499e5..d7111e6 100644
--- a/lib/document_stores/file.js
+++ b/lib/document_stores/file.js
@@ -11,51 +11,49 @@ class FileDocumentStore {
 	}
 
 	//save data in a file, key as md5 - since we don't know what we can passed here
-	set(key, data, callback, skipExpire){
+	async set(key, data, callback, skipExpire){
 		const _this = this;
 		const filePath = this.getPath(key);
-		
-		try {
-			if (!fs.existsSync(this.basePath)){
-				winston.debug('creating data storage directory', { filename: this.basePath });
-				fs.mkdirSync(this.basePath, {mode: '700'});
-			}
 
-			try {
-				fs.writeFileSync(filePath, data);
+		if (!fs.existsSync(this.basePath)){
+			winston.debug('creating data storage directory', { filename: this.basePath });
+			await fs.promises.mkdir(this.basePath, {mode: '700'})
+				.catch(err => {
+					winston.error('error while creating dir', { path: _this.basePath, error: err });
+				});
+		}
+
+		winston.silly('set key', { type: 'file', filename: filePath });
+		await fs.promises.writeFile(filePath, data, {mode: '600'})
+			.then(() => {
 				callback(true);
 				if (_this.expire && !skipExpire){
 					winston.warn('file store cannot set expirations on keys', { file: filePath });
 				}
-			}
-			catch (err){
+			})
+			.catch(err => {
 				winston.error('error while writing document to file', { file: filePath, error: err });
 				callback(false);
-			}
-		}
-		catch (err){
-			winston.error('error while creating dir', { path: _this.basePath, error: err });
-			return callback(false);
-		}
+			});
 	}
 
 	//get data from a file
-	get(key, callback, skipExpire){
+	async get(key, callback, skipExpire){
 		const _this = this;
 		const filePath = this.getPath(key);
-		
-		try {
-			winston.silly('get key', { type: 'file', filename: filePath });
-			let data = fs.readFileSync(filePath).toString();
-			callback(data);
-			if (_this.expire && !skipExpire){
-				winston.warn('file store cannot set expirations on keys', { file: filePath });
-			}
-		}
-		catch (err){
-			winston.debug('error while reading document', { file: filePath, error: err });
-			return callback(false);
-		}
+
+		winston.silly('get key', { type: 'file', filename: filePath });
+		await fs.promises.readFile(filePath, {encoding: 'utf8'})
+			.then(data => {
+				callback(data);
+				if (_this.expire && !skipExpire){
+					winston.warn('file store cannot set expirations on keys', { file: filePath });
+				}
+			})
+			.catch(err => {
+				winston.debug('error while reading document', { file: filePath, error: err });
+				return callback(false);
+			});
 	}
 
 	//generate a md5 hash of a key