diff --git a/package.json b/package.json
index b386056..3f76bb4 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
   },
   "devDependencies": {
     "@babel/core": "^7.7.7",
-    "@babel/plugin-proposal-class-properties": "^7.7.4",
+    "@babel/plugin-proposal-class-properties": "^7.8.3",
     "@babel/plugin-proposal-decorators": "^7.7.4",
     "@babel/plugin-proposal-nullish-coalescing-operator": "^7.7.4",
     "@babel/plugin-proposal-optional-chaining": "^7.7.5",
diff --git a/yarn.lock b/yarn.lock
index 5e52810..3d1d90a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -110,17 +110,17 @@
     "@babel/traverse" "^7.7.4"
     "@babel/types" "^7.7.4"
 
-"@babel/helper-create-class-features-plugin@^7.7.4":
-  version "7.7.4"
-  resolved "https://registry.yarnpkg.com/@babel/helper-create-class-features-plugin/-/helper-create-class-features-plugin-7.7.4.tgz#fce60939fd50618610942320a8d951b3b639da2d"
-  integrity sha512-l+OnKACG4uiDHQ/aJT8dwpR+LhCJALxL0mJ6nzjB25e5IPwqV1VOsY7ah6UB1DG+VOXAIMtuC54rFJGiHkxjgA==
+"@babel/helper-create-class-features-plugin@^7.7.4", "@babel/helper-create-class-features-plugin@^7.8.3":
+  version "7.8.6"
+  resolved "https://registry.yarnpkg.com/@babel/helper-create-class-features-plugin/-/helper-create-class-features-plugin-7.8.6.tgz#243a5b46e2f8f0f674dc1387631eb6b28b851de0"
+  integrity sha512-klTBDdsr+VFFqaDHm5rR69OpEQtO2Qv8ECxHS1mNhJJvaHArR6a1xTf5K/eZW7eZpJbhCx3NW1Yt/sKsLXLblg==
   dependencies:
-    "@babel/helper-function-name" "^7.7.4"
-    "@babel/helper-member-expression-to-functions" "^7.7.4"
-    "@babel/helper-optimise-call-expression" "^7.7.4"
-    "@babel/helper-plugin-utils" "^7.0.0"
-    "@babel/helper-replace-supers" "^7.7.4"
-    "@babel/helper-split-export-declaration" "^7.7.4"
+    "@babel/helper-function-name" "^7.8.3"
+    "@babel/helper-member-expression-to-functions" "^7.8.3"
+    "@babel/helper-optimise-call-expression" "^7.8.3"
+    "@babel/helper-plugin-utils" "^7.8.3"
+    "@babel/helper-replace-supers" "^7.8.6"
+    "@babel/helper-split-export-declaration" "^7.8.3"
 
 "@babel/helper-create-regexp-features-plugin@^7.7.4":
   version "7.7.4"
@@ -253,12 +253,7 @@
   dependencies:
     "@babel/types" "^7.8.3"
 
-"@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@^7.8.0":
+"@babel/helper-plugin-utils@^7.0.0", "@babel/helper-plugin-utils@^7.8.0", "@babel/helper-plugin-utils@^7.8.3":
   version "7.8.3"
   resolved "https://registry.yarnpkg.com/@babel/helper-plugin-utils/-/helper-plugin-utils-7.8.3.tgz#9ea293be19babc0f52ff8ca88b34c3611b208670"
   integrity sha512-j+fq49Xds2smCUNYmEHF9kGNkhbet6yVIBp4e6oeQpH1RUs/Ir06xUKzDjDkGcaaokPiTNs2JBWHjaE4csUkZQ==
@@ -401,13 +396,13 @@
     "@babel/helper-remap-async-to-generator" "^7.7.4"
     "@babel/plugin-syntax-async-generators" "^7.7.4"
 
-"@babel/plugin-proposal-class-properties@^7.7.4":
-  version "7.7.4"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-class-properties/-/plugin-proposal-class-properties-7.7.4.tgz#2f964f0cb18b948450362742e33e15211e77c2ba"
-  integrity sha512-EcuXeV4Hv1X3+Q1TsuOmyyxeTRiSqurGJ26+I/FW1WbymmRRapVORm6x1Zl3iDIHyRxEs+VXWp6qnlcfcJSbbw==
+"@babel/plugin-proposal-class-properties@^7.8.3":
+  version "7.8.3"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-class-properties/-/plugin-proposal-class-properties-7.8.3.tgz#5e06654af5cd04b608915aada9b2a6788004464e"
+  integrity sha512-EqFhbo7IosdgPgZggHaNObkmO1kNUe3slaKu54d5OWvy+p9QIKOzK1GAEpAIsZtWVtPXUHSMcT4smvDrCfY4AA==
   dependencies:
-    "@babel/helper-create-class-features-plugin" "^7.7.4"
-    "@babel/helper-plugin-utils" "^7.0.0"
+    "@babel/helper-create-class-features-plugin" "^7.8.3"
+    "@babel/helper-plugin-utils" "^7.8.3"
 
 "@babel/plugin-proposal-decorators@^7.7.4":
   version "7.7.4"