diff --git a/yarn.lock b/yarn.lock
index 1028192ad..5ad33c813 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -78,18 +78,6 @@
     "@babel/traverse" "^7.4.4"
     "@babel/types" "^7.4.4"
 
-"@babel/helper-create-class-features-plugin@^7.5.5":
-  version "7.5.5"
-  resolved "https://registry.yarnpkg.com/@babel/helper-create-class-features-plugin/-/helper-create-class-features-plugin-7.5.5.tgz#401f302c8ddbc0edd36f7c6b2887d8fa1122e5a4"
-  integrity sha512-ZsxkyYiRA7Bg+ZTRpPvB6AbOFKTFFK4LrvTet8lInm0V468MWCaSYJE+I7v2z2r8KNLtYiV+K5kTCnR7dvyZjg==
-  dependencies:
-    "@babel/helper-function-name" "^7.1.0"
-    "@babel/helper-member-expression-to-functions" "^7.5.5"
-    "@babel/helper-optimise-call-expression" "^7.0.0"
-    "@babel/helper-plugin-utils" "^7.0.0"
-    "@babel/helper-replace-supers" "^7.5.5"
-    "@babel/helper-split-export-declaration" "^7.4.4"
-
 "@babel/helper-create-class-features-plugin@^7.7.0":
   version "7.7.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-create-class-features-plugin/-/helper-create-class-features-plugin-7.7.0.tgz#bcdc223abbfdd386f94196ae2544987f8df775e8"
@@ -127,15 +115,6 @@
     "@babel/traverse" "^7.1.0"
     "@babel/types" "^7.0.0"
 
-"@babel/helper-function-name@^7.1.0":
-  version "7.1.0"
-  resolved "https://registry.yarnpkg.com/@babel/helper-function-name/-/helper-function-name-7.1.0.tgz#a0ceb01685f73355d4360c1247f582bfafc8ff53"
-  integrity sha512-A95XEoCpb3TO+KZzJ4S/5uW5fNe26DjBGqf1o9ucyLyCmi1dXq/B3c8iaWTfBk3VvetUxl16e8tIrd5teOCfGw==
-  dependencies:
-    "@babel/helper-get-function-arity" "^7.0.0"
-    "@babel/template" "^7.1.0"
-    "@babel/types" "^7.0.0"
-
 "@babel/helper-function-name@^7.7.0":
   version "7.7.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-function-name/-/helper-function-name-7.7.0.tgz#44a5ad151cfff8ed2599c91682dda2ec2c8430a3"
@@ -348,11 +327,11 @@
     "@babel/plugin-syntax-async-generators" "^7.2.0"
 
 "@babel/plugin-proposal-class-properties@^7.4.4":
-  version "7.5.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-class-properties/-/plugin-proposal-class-properties-7.5.5.tgz#a974cfae1e37c3110e71f3c6a2e48b8e71958cd4"
-  integrity sha512-AF79FsnWFxjlaosgdi421vmYG6/jg79bVD0dpD44QdgobzHKuLZ6S3vl8la9qIeSwGi8i1fS0O1mfuDAAdo1/A==
+  version "7.7.0"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-class-properties/-/plugin-proposal-class-properties-7.7.0.tgz#ac54e728ecf81d90e8f4d2a9c05a890457107917"
+  integrity sha512-tufDcFA1Vj+eWvwHN+jvMN6QsV5o+vUlytNKrbMiCeDL0F2j92RURzUsUMWE5EJkLyWxjdUslCsMQa9FWth16A==
   dependencies:
-    "@babel/helper-create-class-features-plugin" "^7.5.5"
+    "@babel/helper-create-class-features-plugin" "^7.7.0"
     "@babel/helper-plugin-utils" "^7.0.0"
 
 "@babel/plugin-proposal-dynamic-import@^7.7.0":