diff --git a/package.json b/package.json
index 453670a..4588de0 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
   "devDependencies": {
     "@babel/core": "^7.8.3",
     "@babel/plugin-proposal-class-properties": "^7.7.4",
-    "@babel/plugin-syntax-class-properties": "^7.7.4",
+    "@babel/plugin-syntax-class-properties": "^7.12.13",
     "@babel/plugin-syntax-dynamic-import": "^7.2.0",
     "@babel/plugin-transform-runtime": "^7.7.6",
     "@babel/preset-env": "^7.7.6",
diff --git a/yarn.lock b/yarn.lock
index bc11d67..84d6d43 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -198,10 +198,10 @@
   dependencies:
     "@babel/types" "^7.7.4"
 
-"@babel/helper-plugin-utils@^7.0.0":
-  version "7.0.0"
-  resolved "https://registry.yarnpkg.com/@babel/helper-plugin-utils/-/helper-plugin-utils-7.0.0.tgz#bbb3fbee98661c569034237cc03967ba99b4f250"
-  integrity sha512-CYAOUCARwExnEixLdB6sDm2dIJ/YgEAKDM1MOeMeZu9Ld/bDgVo8aiWrXwcY7OBh+1Ea2uUcVRcxKk0GJvW7QA==
+"@babel/helper-plugin-utils@^7.0.0", "@babel/helper-plugin-utils@^7.12.13":
+  version "7.12.13"
+  resolved "https://registry.yarnpkg.com/@babel/helper-plugin-utils/-/helper-plugin-utils-7.12.13.tgz#174254d0f2424d8aefb4dd48057511247b0a9eeb"
+  integrity sha512-C+10MXCXJLiR6IeG9+Wiejt9jmtFpxUc3MQqCmPY8hfCjyUGl9kT+B2okzEZrtykiwrc4dbCPdDoz0A/HQbDaA==
 
 "@babel/helper-regex@^7.0.0", "@babel/helper-regex@^7.4.4":
   version "7.5.5"
@@ -364,12 +364,12 @@
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-syntax-class-properties@^7.7.4":
-  version "7.7.4"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-class-properties/-/plugin-syntax-class-properties-7.7.4.tgz#6048c129ea908a432a1ff85f1dc794dc62ddaa5e"
-  integrity sha512-JH3v5ZOeKT0qqdJ9BeBcZTFQiJOMax8RopSr1bH6ASkZKo2qWsvBML7W1mp89sszBRDBBRO8snqcByGdrMTdMg==
+"@babel/plugin-syntax-class-properties@^7.12.13":
+  version "7.12.13"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-class-properties/-/plugin-syntax-class-properties-7.12.13.tgz#b5c987274c4a3a82b89714796931a6b53544ae10"
+  integrity sha512-fm4idjKla0YahUNgFNLCB0qySdsoPiZP3iQE3rky0mBUtMZ23yDJ9SJdg6dXTSDnulOVqiF3Hgr9nbXvXTQZYA==
   dependencies:
-    "@babel/helper-plugin-utils" "^7.0.0"
+    "@babel/helper-plugin-utils" "^7.12.13"
 
 "@babel/plugin-syntax-dynamic-import@^7.2.0", "@babel/plugin-syntax-dynamic-import@^7.7.4":
   version "7.7.4"