diff --git a/code-snipper.js b/code-snipper.js
index 2ad9444..8d2b651 100755
--- a/code-snipper.js
+++ b/code-snipper.js
@@ -146,18 +146,16 @@ function generateHTML(sourceCode, options) {
  */
 
 function codeSnipper(fileName, options = opts) {
-    options = {
-        ...opts,
-        ext: checkFileExtension(fileName),
-        ...options
-    };
+    options = Object.assign(
+        opts,
+        { ext: checkFileExtension(fileName) },
+        options);
 
     // Initialize webshot's configuration, setting resolution(zoomFactor) if passed.
-    let webshotConfig = {
+    let webshotConfig = Object.assign({
         siteType: 'html',
-        zoomFactor: options.resolution || 2.5,
-        ...options.webshotCustomConfig
-    };
+        zoomFactor: options.resolution || 2.5},
+        options.webshotCustomConfig || {});
 
     const imagePath = path.join(process.cwd(), fileName);
 
diff --git a/package.json b/package.json
index b19d8c7..c5bc1e4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "code-snipper",
-  "version": "0.0.22",
+  "version": "0.0.23",
   "description": "Export code snippets as PNG",
   "main": "code-snipper.js",
   "scripts": {
@@ -13,7 +13,6 @@
     "gm": "^1.23.0",
     "prettier": "^0.22.0",
     "standard": "^10.0.2",
-    "taffydb": "^2.7.3",
     "untildify": "^3.0.2",
     "webshot": "^0.18.0",
     "yargs": "^7.0.2"
diff --git a/yarn.lock b/yarn.lock
index a1a0fda..5532db3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -607,6 +607,10 @@ esprima@^3.1.1:
   version "3.1.3"
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-3.1.3.tgz#fdca51cee6133895e3c88d535ce49dbff62a4633"
 
+esprima@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.0.tgz#4499eddcd1110e0b218bacf2fa7f7f59f55ca804"
+
 esquery@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/esquery/-/esquery-1.0.0.tgz#cfba8b57d7fba93f17298a8a006a04cda13d80fa"
@@ -1063,7 +1067,14 @@ js-tokens@^3.0.0:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
 
-js-yaml@^3.2.7, js-yaml@^3.5.1:
+js-yaml@^3.2.7:
+  version "3.10.0"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.10.0.tgz#2e78441646bd4682e963f22b6e92823c309c62dc"
+  dependencies:
+    argparse "^1.0.7"
+    esprima "^4.0.0"
+
+js-yaml@^3.5.1:
   version "3.8.4"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.8.4.tgz#520b4564f86573ba96662af85a8cafa7b4b5a6f6"
   dependencies:
@@ -1779,10 +1790,6 @@ table@^3.7.8:
     slice-ansi "0.0.4"
     string-width "^2.0.0"
 
-taffydb@^2.7.3:
-  version "2.7.3"
-  resolved "https://registry.yarnpkg.com/taffydb/-/taffydb-2.7.3.tgz#2ad37169629498fca5bc84243096d3cde0ec3a34"
-
 tap-nyan@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/tap-nyan/-/tap-nyan-1.1.0.tgz#2b8d13a1f9ca51c1b3ada0c6ccdb1177d2065bb0"
@@ -1869,6 +1876,10 @@ uniq@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/uniq/-/uniq-1.0.1.tgz#b31c5ae8254844a3a8281541ce2b04b865a734ff"
 
+untildify@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/untildify/-/untildify-3.0.2.tgz#7f1f302055b3fea0f3e81dc78eb36766cb65e3f1"
+
 user-home@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/user-home/-/user-home-2.0.0.tgz#9c70bfd8169bc1dcbf48604e0f04b8b49cde9e9f"