diff --git a/package.json b/package.json
index ddb52fd..9b6d20e 100644
--- a/package.json
+++ b/package.json
@@ -63,18 +63,21 @@
     "d3-selection": "^1.4.0",
     "d3-shape": "^1.3.5",
     "d3-svg-annotation": "^2.4.0",
-    "d3-transition": "^1.2.0"
+    "d3-transition": "^1.2.0",
+    "dompurify": "^2.2.2"
   },
   "devDependencies": {
     "@babel/core": "^7.4.0",
     "@babel/preset-env": "^7.4.2",
     "@types/d3": "^5.7.1",
+    "@types/dompurify": "^2.0.4",
     "@types/node": "^11.12.0",
     "babelify": "^10.0.0",
     "browserify": "^16.2.3",
     "cssnano": "^4.1.10",
     "d3": "^5.9.2",
     "gitbook": "^3.2.3",
+    "gitbook-cli": "^2.3.2",
     "gitbook-plugin-custom-favicon": "0.0.4",
     "gitbook-plugin-ga": "^1.0.1",
     "gitbook-plugin-toggle-chapters": "0.0.3",
@@ -99,8 +102,7 @@
     "styled-jsx-plugin-postcss": "^2.0.0",
     "tsify": "^4.0.1",
     "typescript": "^3.3.4000",
-    "uglify-js": "^3.5.2",
-    "gitbook-cli": "^2.3.2"
+    "uglify-js": "^3.5.2"
   },
   "files": [
     "/dist",
diff --git a/src/scripts/chartAdvanced/pie.js b/src/scripts/chartAdvanced/pie.js
index 50306c7..70f6986 100644
--- a/src/scripts/chartAdvanced/pie.js
+++ b/src/scripts/chartAdvanced/pie.js
@@ -1,4 +1,6 @@
 import functor from '../util/functor';
+import sanitize from '../util/sanitize';
+
 
 /**
  * d2b.chartPieAdvanced(chart, datum) configures the input chart and formats a returned datum set
@@ -9,7 +11,7 @@ export default function (chart, datum) {
 
   // Chart Config
   chart
-    .label(d => d.label)
+    .label(d => sanitize(d.label))
     .value(d => d.value)
     .duration.conditionally(datum.duration)
     .donutRatio.conditionally(datum.donutRatio)
diff --git a/src/scripts/util/sanitize.js b/src/scripts/util/sanitize.js
new file mode 100644
index 0000000..89369ed
--- /dev/null
+++ b/src/scripts/util/sanitize.js
@@ -0,0 +1,10 @@
+import Dompurify from "dompurify";
+
+
+/**
+ * Returns sanitized string prior to render.
+ * @param {string} string 
+ */
+export default function sanitize(v) {
+  return Dompurify.sanitize(v);
+}
\ No newline at end of file