diff --git a/package-lock.json b/package-lock.json
index 569054f..7d0e3a4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -910,9 +910,9 @@
 			}
 		},
 		"@polymer/polymer": {
-			"version": "3.3.0",
-			"resolved": "https://registry.npmjs.org/@polymer/polymer/-/polymer-3.3.0.tgz",
-			"integrity": "sha512-rij7suomS7DxdBamnwr/Xa0V5hpypf7I9oYKseF2FWz5Xh2a3wJNpVjgJy1adXVCxqIyPhghsrthnfCt7EblsQ==",
+			"version": "3.3.1",
+			"resolved": "https://registry.npmjs.org/@polymer/polymer/-/polymer-3.3.1.tgz",
+			"integrity": "sha512-8KaB48tzyMjdsHdxo5KvCAaqmTe7rYDzQAoj/pyEfq9Fp4YfUaS+/xqwYj0GbiDAUNzwkmEQ7dw9cgnRNdKO8A==",
 			"requires": {
 				"@webcomponents/shadycss": "^1.9.1"
 			}
@@ -1374,9 +1374,9 @@
 			"dev": true
 		},
 		"@semantic-release/git": {
-			"version": "7.0.17",
-			"resolved": "https://registry.npmjs.org/@semantic-release/git/-/git-7.0.17.tgz",
-			"integrity": "sha512-xtNXhdWW92VCG4EumZ/Ijj44Yezaau9pQ39KB4q3l17vyu55MwPzQjlhSfysPshwosmVkzp6LhvYIg9+xUL07A==",
+			"version": "7.0.18",
+			"resolved": "https://registry.npmjs.org/@semantic-release/git/-/git-7.0.18.tgz",
+			"integrity": "sha512-VwnsGUXpNdvPcsq05BQyLBZxGUlEiJCMKNi8ttLvZZAhjI1mAp9dwypOeyxSJ5eFQ+iGMBLdoKF1LL0pmA/d0A==",
 			"dev": true,
 			"requires": {
 				"@semantic-release/error": "^2.1.0",
diff --git a/package.json b/package.json
index 24e01c2..e27cf9c 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
 		}
 	},
 	"dependencies": {
-		"@polymer/polymer": "^3.0.0"
+		"@polymer/polymer": "^3.3.1"
 	},
 	"devDependencies": {
 		"@commitlint/cli": "^8.2.0",
@@ -62,7 +62,7 @@
 		"@polymer/iron-demo-helpers": "^3.0.0",
 		"@polymer/test-fixture": "^4.0.2",
 		"@semantic-release/changelog": "^3.0.5",
-		"@semantic-release/git": "^7.0.17",
+		"@semantic-release/git": "^7.0.18",
 		"@webcomponents/webcomponentsjs": "^2.0.0",
 		"babel-eslint": "^10.0.2",
 		"chai": "^4.2.0",