diff --git a/package.json b/package.json
index 6da1894..6b763c2 100644
--- a/package.json
+++ b/package.json
@@ -50,10 +50,10 @@
     "semver": "^7.3.5"
   },
   "devDependencies": {
-    "@babel/cli": "^7.13.14",
-    "@babel/core": "^7.13.15",
+    "@babel/cli": "^7.13.16",
+    "@babel/core": "^7.13.16",
     "@babel/preset-env": "^7.13.15",
-    "@babel/register": "^7.13.14",
+    "@babel/register": "^7.13.16",
     "@open-wc/building-rollup": "^1.9.4",
     "@open-wc/eslint-config": "^4.2.0",
     "babel-plugin-transform-dynamic-import": "^2.1.0",
diff --git a/yarn.lock b/yarn.lock
index 374bfe2..b355336 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,16 +2,15 @@
 # yarn lockfile v1
 
 
-"@babel/cli@^7.13.14":
-  version "7.13.14"
-  resolved "https://registry.yarnpkg.com/@babel/cli/-/cli-7.13.14.tgz#c395bc89ec4760c91f2027fa8b26f8b2bf42238f"
-  integrity sha512-zmEFV8WBRsW+mPQumO1/4b34QNALBVReaiHJOkxhUsdo/AvYM62c+SKSuLi2aZ42t3ocK6OI0uwUXRvrIbREZw==
+"@babel/cli@^7.13.16":
+  version "7.13.16"
+  resolved "https://registry.yarnpkg.com/@babel/cli/-/cli-7.13.16.tgz#9d372e943ced0cc291f068204a9b010fd9cfadbc"
+  integrity sha512-cL9tllhqvsQ6r1+d9Invf7nNXg/3BlfL1vvvL/AdH9fZ2l5j0CeBcoq6UjsqHpvyN1v5nXSZgqJZoGeK+ZOAbw==
   dependencies:
     commander "^4.0.1"
     convert-source-map "^1.1.0"
     fs-readdir-recursive "^1.1.0"
     glob "^7.0.0"
-    lodash "^4.17.19"
     make-dir "^2.1.0"
     slash "^2.0.0"
     source-map "^0.5.0"
@@ -79,20 +78,20 @@
     semver "^5.4.1"
     source-map "^0.5.0"
 
-"@babel/core@^7.13.15":
-  version "7.13.15"
-  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.13.15.tgz#a6d40917df027487b54312202a06812c4f7792d0"
-  integrity sha512-6GXmNYeNjS2Uz+uls5jalOemgIhnTMeaXo+yBUA72kC2uX/8VW6XyhVIo2L8/q0goKQA3EVKx0KOQpVKSeWadQ==
+"@babel/core@^7.13.16":
+  version "7.13.16"
+  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.13.16.tgz#7756ab24396cc9675f1c3fcd5b79fcce192ea96a"
+  integrity sha512-sXHpixBiWWFti0AV2Zq7avpTasr6sIAu7Y396c608541qAU2ui4a193m0KSQmfPSKFZLnQ3cvlKDOm3XkuXm3Q==
   dependencies:
     "@babel/code-frame" "^7.12.13"
-    "@babel/generator" "^7.13.9"
-    "@babel/helper-compilation-targets" "^7.13.13"
+    "@babel/generator" "^7.13.16"
+    "@babel/helper-compilation-targets" "^7.13.16"
     "@babel/helper-module-transforms" "^7.13.14"
-    "@babel/helpers" "^7.13.10"
-    "@babel/parser" "^7.13.15"
+    "@babel/helpers" "^7.13.16"
+    "@babel/parser" "^7.13.16"
     "@babel/template" "^7.12.13"
     "@babel/traverse" "^7.13.15"
-    "@babel/types" "^7.13.14"
+    "@babel/types" "^7.13.16"
     convert-source-map "^1.7.0"
     debug "^4.1.0"
     gensync "^1.0.0-beta.2"
@@ -127,6 +126,15 @@
     jsesc "^2.5.1"
     source-map "^0.5.0"
 
+"@babel/generator@^7.13.16":
+  version "7.13.16"
+  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.13.16.tgz#0befc287031a201d84cdfc173b46b320ae472d14"
+  integrity sha512-grBBR75UnKOcUWMp8WoDxNsWCFl//XCK6HWTrBQKTr5SV9f5g0pNOjdyzi/DTBv12S9GnYPInIXQBTky7OXEMg==
+  dependencies:
+    "@babel/types" "^7.13.16"
+    jsesc "^2.5.1"
+    source-map "^0.5.0"
+
 "@babel/generator@^7.13.9":
   version "7.13.9"
   resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.13.9.tgz#3a7aa96f9efb8e2be42d38d80e2ceb4c64d8de39"
@@ -196,6 +204,16 @@
     browserslist "^4.14.5"
     semver "^6.3.0"
 
+"@babel/helper-compilation-targets@^7.13.16":
+  version "7.13.16"
+  resolved "https://registry.yarnpkg.com/@babel/helper-compilation-targets/-/helper-compilation-targets-7.13.16.tgz#6e91dccf15e3f43e5556dffe32d860109887563c"
+  integrity sha512-3gmkYIrpqsLlieFwjkGgLaSHmhnvlAYzZLlYVjlW+QwI+1zE17kGxuJGmIqDQdYp56XdmGeD+Bswx0UTyG18xA==
+  dependencies:
+    "@babel/compat-data" "^7.13.15"
+    "@babel/helper-validator-option" "^7.12.17"
+    browserslist "^4.14.5"
+    semver "^6.3.0"
+
 "@babel/helper-compilation-targets@^7.13.8":
   version "7.13.8"
   resolved "https://registry.yarnpkg.com/@babel/helper-compilation-targets/-/helper-compilation-targets-7.13.8.tgz#02bdb22783439afb11b2f009814bdd88384bd468"
@@ -594,14 +612,14 @@
     "@babel/traverse" "^7.12.5"
     "@babel/types" "^7.12.5"
 
-"@babel/helpers@^7.13.10":
-  version "7.13.10"
-  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.13.10.tgz#fd8e2ba7488533cdeac45cc158e9ebca5e3c7df8"
-  integrity sha512-4VO883+MWPDUVRF3PhiLBUFHoX/bsLTGFpFK/HqvvfBZz2D57u9XzPVNFVBTc0PW/CWR9BXTOKt8NF4DInUHcQ==
+"@babel/helpers@^7.13.16":
+  version "7.13.16"
+  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.13.16.tgz#08af075f786fd06a56e41bcac3e8cc87ddc4d0b3"
+  integrity sha512-x5otxUaLpdWHl02P4L94wBU+2BJXBkvO+6d6uzQ+xD9/h2hTSAwA5O8QV8GqKx/l8i+VYmKKQg9e2QGTa2Wu3Q==
   dependencies:
     "@babel/template" "^7.12.13"
-    "@babel/traverse" "^7.13.0"
-    "@babel/types" "^7.13.0"
+    "@babel/traverse" "^7.13.15"
+    "@babel/types" "^7.13.16"
 
 "@babel/highlight@^7.10.4":
   version "7.10.4"
@@ -646,6 +664,11 @@
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.13.15.tgz#8e66775fb523599acb6a289e12929fa5ab0954d8"
   integrity sha512-b9COtcAlVEQljy/9fbcMHpG+UIW9ReF+gpaxDHTlZd0c6/UU9ng8zdySAW9sRTzpvcdCHn6bUcbuYUgGzLAWVQ==
 
+"@babel/parser@^7.13.16":
+  version "7.13.16"
+  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.13.16.tgz#0f18179b0448e6939b1f3f5c4c355a3a9bcdfd37"
+  integrity sha512-6bAg36mCwuqLO0hbR+z7PHuqWiCeP7Dzg73OpQwsAB1Eb8HnGEz5xYBzCfbu+YjoaJsJs+qheDxVAuqbt3ILEw==
+
 "@babel/plugin-bugfix-v8-spread-parameters-in-optional-chaining@^7.13.12":
   version "7.13.12"
   resolved "https://registry.yarnpkg.com/@babel/plugin-bugfix-v8-spread-parameters-in-optional-chaining/-/plugin-bugfix-v8-spread-parameters-in-optional-chaining-7.13.12.tgz#a3484d84d0b549f3fc916b99ee4783f26fabad2a"
@@ -1640,13 +1663,13 @@
     "@babel/types" "^7.4.4"
     esutils "^2.0.2"
 
-"@babel/register@^7.13.14":
-  version "7.13.14"
-  resolved "https://registry.yarnpkg.com/@babel/register/-/register-7.13.14.tgz#bbfa8f4f027c2ebc432e8e69e078b632605f2d9b"
-  integrity sha512-iyw0hUwjh/fzN8qklVqZodbyWjEBOG0KdDnBOpv3zzIgK3NmuRXBmIXH39ZBdspkn8LTHvSboN+oYb4MT43+9Q==
+"@babel/register@^7.13.16":
+  version "7.13.16"
+  resolved "https://registry.yarnpkg.com/@babel/register/-/register-7.13.16.tgz#ae3ab0b55c8ec28763877383c454f01521d9a53d"
+  integrity sha512-dh2t11ysujTwByQjXNgJ48QZ2zcXKQVdV8s0TbeMI0flmtGWCdTwK9tJiACHXPLmncm5+ktNn/diojA45JE4jg==
   dependencies:
+    clone-deep "^4.0.1"
     find-cache-dir "^2.0.0"
-    lodash "^4.17.19"
     make-dir "^2.1.0"
     pirates "^4.0.0"
     source-map-support "^0.5.16"
@@ -1811,6 +1834,14 @@
     lodash "^4.17.19"
     to-fast-properties "^2.0.0"
 
+"@babel/types@^7.13.16":
+  version "7.13.16"
+  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.13.16.tgz#916120b858aa5655cfba84bd0f6021ff5bdb4e65"
+  integrity sha512-7enM8Wxhrl1hB1+k6+xO6RmxpNkaveRWkdpyii8DkrLWRgr0l3x29/SEuhTIkP+ynHsU/Hpjn8Evd/axv/ll6Q==
+  dependencies:
+    "@babel/helper-validator-identifier" "^7.12.11"
+    to-fast-properties "^2.0.0"
+
 "@blakeembrey/deque@^1.0.5":
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/@blakeembrey/deque/-/deque-1.0.5.tgz#f4fa17fc5ee18317ec01a763d355782c7b395eaf"
@@ -2766,6 +2797,15 @@ cliui@^7.0.2:
     strip-ansi "^6.0.0"
     wrap-ansi "^7.0.0"
 
+clone-deep@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/clone-deep/-/clone-deep-4.0.1.tgz#c19fd9bdbbf85942b4fd979c84dcf7d5f07c2387"
+  integrity sha512-neHB9xuzh/wk0dIHweyAXv2aPGZIVk3pLMe+/RNzINf17fe0OG96QroktYAUm7SM1PBnzTabaLboqqxDyMU+SQ==
+  dependencies:
+    is-plain-object "^2.0.4"
+    kind-of "^6.0.2"
+    shallow-clone "^3.0.0"
+
 clone@^2.1.0, clone@^2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/clone/-/clone-2.1.2.tgz#1b7f4b9f591f1e8f83670401600345a02887435f"
@@ -6003,6 +6043,13 @@ shady-css-scoped-element@^0.0.2:
   resolved "https://registry.yarnpkg.com/shady-css-scoped-element/-/shady-css-scoped-element-0.0.2.tgz#c538fcfe2317e979cd02dfec533898b95b4ea8fe"
   integrity sha512-Dqfl70x6JiwYDujd33ZTbtCK0t52E7+H2swdWQNSTzfsolSa6LJHnTpN4T9OpJJEq4bxuzHRLFO9RBcy/UfrMQ==
 
+shallow-clone@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/shallow-clone/-/shallow-clone-3.0.1.tgz#8f2981ad92531f55035b01fb230769a40e02efa3"
+  integrity sha512-/6KqX+GVUdqPuPPd2LxDDxzX6CAbjJehAAOKlNpqqUpAqPM6HeL8f+o3a+JsyGjn2lv0WY8UsTgUJjU9Ok55NA==
+  dependencies:
+    kind-of "^6.0.2"
+
 shebang-command@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/shebang-command/-/shebang-command-2.0.0.tgz#ccd0af4f8835fbdc265b82461aaf0c36663f34ea"