diff --git a/dist/smallstache.js b/dist/smallstache.js
index b024550..bfea5b1 100644
--- a/dist/smallstache.js
+++ b/dist/smallstache.js
@@ -10,14 +10,13 @@
     factory(mod.exports);
     global.Smallstache = mod.exports;
   }
-})(this, function (_exports) {
+})(typeof globalThis !== "undefined" ? globalThis : typeof self !== "undefined" ? self : this, function (_exports) {
   "use strict";
 
   Object.defineProperty(_exports, "__esModule", {
     value: true
   });
-  _exports.default = Smallstache;
-
+  _exports["default"] = Smallstache;
   /*
       Smallstache - a JavaScript template engine.
   
@@ -34,9 +33,9 @@
     if (typeof source !== 'string') {
       throw new TypeError('Template source must be a string');
     }
-
     this.source = source;
   }
+
   /*
       Fill template with data object.
   
@@ -46,13 +45,10 @@
       Returns:
           A string with tags replaced by corresponding data.
   */
-
-
   Smallstache.prototype.fill = function (data) {
     function fillTemplate(tag, name) {
       return data[name] != null ? data[name] : tag;
     }
-
     return this.source.replace(/{{\s*([^}\s]+)\s*}}/g, fillTemplate);
   };
 });
diff --git a/dist/smallstache.min.js b/dist/smallstache.min.js
index 642eb86..560c69e 100644
--- a/dist/smallstache.min.js
+++ b/dist/smallstache.min.js
@@ -1,2 +1,2 @@
-!function(e,t){if("function"==typeof define&&define.amd)define(["exports"],t);else if("undefined"!=typeof exports)t(exports);else{var n={};t(n),e.Smallstache=n}}(this,function(e){"use strict";function t(e){if("string"!=typeof e)throw new TypeError("Template source must be a string");this.source=e}Object.defineProperty(e,"__esModule",{value:!0}),(e.default=t).prototype.fill=function(n){return this.source.replace(/{{\s*([^}\s]+)\s*}}/g,function(e,t){return null!=n[t]?n[t]:e})}});
+!function(e,t){"function"==typeof define&&define.amd?define(["exports"],t):"undefined"!=typeof exports?t(exports):(t(t={}),e.Smallstache=t)}("undefined"!=typeof globalThis?globalThis:"undefined"!=typeof self?self:this,function(e){"use strict";function t(e){if("string"!=typeof e)throw new TypeError("Template source must be a string");this.source=e}Object.defineProperty(e,"__esModule",{value:!0}),(e.default=t).prototype.fill=function(n){return this.source.replace(/{{\s*([^}\s]+)\s*}}/g,function(e,t){return null!=n[t]?n[t]:e})}});
 //# sourceMappingURL=./smallstache.js.map
\ No newline at end of file
diff --git a/package.json b/package.json
index 1a74296..6d111d6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "smallstache",
-  "version": "0.5.1",
+  "version": "0.5.2",
   "description": "Lightweight template engine similar to Mustache/Handlebars.",
   "keywords": [
     "smallstache",
@@ -17,18 +17,18 @@
     "lint": "eslint src tests"
   },
   "devDependencies": {
-    "@babel/cli": "7.1.x",
-    "@babel/core": "7.1.x",
-    "@babel/plugin-transform-modules-umd": "7.1.x",
-    "@babel/preset-env": "7.1.x",
+    "@babel/cli": "7.19.x",
+    "@babel/core": "7.20.x",
+    "@babel/plugin-transform-modules-umd": "7.18.x",
+    "@babel/preset-env": "7.20.x",
     "babel-core": "^7.0.0-bridge.0",
-    "babel-jest": "23.6.x",
-    "eslint": "5.6.x",
-    "jest": "23.6.x",
-    "mkdirp": "0.5.x",
+    "babel-jest": "29.3.x",
+    "eslint": "8.28.x",
+    "jest": "29.3.x",
+    "mkdirp": "1.0.x",
     "npm-check-updates": "^16.4.1",
-    "regenerator-runtime": "0.12.x",
-    "uglify-js": "3.4.x"
+    "regenerator-runtime": "0.13.x",
+    "uglify-js": "3.17.x"
   },
   "files": [
     "dist",