diff --git a/package.json b/package.json
index d5fad061..4e322190 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
   "homepage": "https://github.com/esm-bundle/react-dom#readme",
   "devDependencies": {
     "@babel/core": "7.15.5",
-    "@babel/preset-env": "7.15.4",
+    "@babel/preset-env": "7.15.6",
     "@rollup/plugin-babel": "5.3.0",
     "@rollup/plugin-commonjs": "20.0.0",
     "@rollup/plugin-node-resolve": "13.0.4",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index e264deeb..c64f2298 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -2,7 +2,7 @@ lockfileVersion: 5.3
 
 specifiers:
   '@babel/core': 7.15.5
-  '@babel/preset-env': 7.15.4
+  '@babel/preset-env': 7.15.6
   '@rollup/plugin-babel': 5.3.0
   '@rollup/plugin-commonjs': 20.0.0
   '@rollup/plugin-node-resolve': 13.0.4
@@ -27,7 +27,7 @@ specifiers:
 
 devDependencies:
   '@babel/core': 7.15.5
-  '@babel/preset-env': 7.15.4_@babel+core@7.15.5
+  '@babel/preset-env': 7.15.6_@babel+core@7.15.5
   '@rollup/plugin-babel': 5.3.0_@babel+core@7.15.5+rollup@2.56.3
   '@rollup/plugin-commonjs': 20.0.0_rollup@2.56.3
   '@rollup/plugin-node-resolve': 13.0.4_rollup@2.56.3
@@ -106,7 +106,7 @@ packages:
     resolution: {integrity: sha512-QwrtdNvUNsPCj2lfNQacsGSQvGX8ee1ttrBrcozUP2Sv/jylewBP/8QFe6ZkBsC8T/GYWonNAWJV4aRR9AL2DA==}
     engines: {node: '>=6.9.0'}
     dependencies:
-      '@babel/types': 7.15.4
+      '@babel/types': 7.15.6
     dev: true
 
   /@babel/helper-builder-binary-assignment-operator-visitor/7.14.5:
@@ -114,7 +114,7 @@ packages:
     engines: {node: '>=6.9.0'}
     dependencies:
       '@babel/helper-explode-assignable-expression': 7.14.5
-      '@babel/types': 7.15.4
+      '@babel/types': 7.15.6
     dev: true
 
   /@babel/helper-compilation-targets/7.15.4_@babel+core@7.15.5:
@@ -130,23 +130,6 @@ packages:
       semver: 6.3.0
     dev: true
 
-  /@babel/helper-create-class-features-plugin/7.14.5_@babel+core@7.15.5:
-    resolution: {integrity: sha512-Uq9z2e7ZtcnDMirRqAGLRaLwJn+Lrh388v5ETrR3pALJnElVh2zqQmdbz4W2RUJYohAPh2mtyPUgyMHMzXMncQ==}
-    engines: {node: '>=6.9.0'}
-    peerDependencies:
-      '@babel/core': ^7.0.0
-    dependencies:
-      '@babel/core': 7.15.5
-      '@babel/helper-annotate-as-pure': 7.15.4
-      '@babel/helper-function-name': 7.15.4
-      '@babel/helper-member-expression-to-functions': 7.15.0
-      '@babel/helper-optimise-call-expression': 7.15.4
-      '@babel/helper-replace-supers': 7.15.4
-      '@babel/helper-split-export-declaration': 7.15.4
-    transitivePeerDependencies:
-      - supports-color
-    dev: true
-
   /@babel/helper-create-class-features-plugin/7.15.4_@babel+core@7.15.5:
     resolution: {integrity: sha512-7ZmzFi+DwJx6A7mHRwbuucEYpyBwmh2Ca0RvI6z2+WLZYCqV0JOaLb+u0zbtmDicebgKBZgqbYfLaKNqSgv5Pw==}
     engines: {node: '>=6.9.0'}
@@ -197,7 +180,7 @@ packages:
     resolution: {integrity: sha512-Htb24gnGJdIGT4vnRKMdoXiOIlqOLmdiUYpAQ0mYfgVT/GDm8GOYhgi4GL+hMKrkiPRohO4ts34ELFsGAPQLDQ==}
     engines: {node: '>=6.9.0'}
     dependencies:
-      '@babel/types': 7.15.4
+      '@babel/types': 7.15.6
     dev: true
 
   /@babel/helper-function-name/7.15.4:
@@ -223,13 +206,6 @@ packages:
       '@babel/types': 7.15.4
     dev: true
 
-  /@babel/helper-member-expression-to-functions/7.15.0:
-    resolution: {integrity: sha512-Jq8H8U2kYiafuj2xMTPQwkTBnEEdGKpT35lJEQsRRjnG0LW3neucsaMWLgKcwu3OHKNeYugfw+Z20BXBSEs2Lg==}
-    engines: {node: '>=6.9.0'}
-    dependencies:
-      '@babel/types': 7.15.4
-    dev: true
-
   /@babel/helper-member-expression-to-functions/7.15.4:
     resolution: {integrity: sha512-cokOMkxC/BTyNP1AlY25HuBWM32iCEsLPI4BHDpJCHHm1FU2E7dKWWIXJgQgSFiu4lp8q3bL1BIKwqkSUviqtA==}
     engines: {node: '>=6.9.0'}
@@ -278,24 +254,13 @@ packages:
     engines: {node: '>=6.9.0'}
     dev: true
 
-  /@babel/helper-remap-async-to-generator/7.14.5:
-    resolution: {integrity: sha512-rLQKdQU+HYlxBwQIj8dk4/0ENOUEhA/Z0l4hN8BexpvmSMN9oA9EagjnhnDpNsRdWCfjwa4mn/HyBXO9yhQP6A==}
-    engines: {node: '>=6.9.0'}
-    dependencies:
-      '@babel/helper-annotate-as-pure': 7.15.4
-      '@babel/helper-wrap-function': 7.14.5
-      '@babel/types': 7.15.4
-    transitivePeerDependencies:
-      - supports-color
-    dev: true
-
   /@babel/helper-remap-async-to-generator/7.15.4:
     resolution: {integrity: sha512-v53MxgvMK/HCwckJ1bZrq6dNKlmwlyRNYM6ypaRTdXWGOE2c1/SCa6dL/HimhPulGhZKw9W0QhREM583F/t0vQ==}
     engines: {node: '>=6.9.0'}
     dependencies:
       '@babel/helper-annotate-as-pure': 7.15.4
       '@babel/helper-wrap-function': 7.15.4
-      '@babel/types': 7.15.4
+      '@babel/types': 7.15.6
     transitivePeerDependencies:
       - supports-color
     dev: true
@@ -323,7 +288,7 @@ packages:
     resolution: {integrity: sha512-BMRLsdh+D1/aap19TycS4eD1qELGrCBJwzaY9IE8LrpJtJb+H7rQkPIdsfgnMtLBA6DJls7X9z93Z4U8h7xw0A==}
     engines: {node: '>=6.9.0'}
     dependencies:
-      '@babel/types': 7.15.4
+      '@babel/types': 7.15.6
     dev: true
 
   /@babel/helper-split-export-declaration/7.15.4:
@@ -351,18 +316,6 @@ packages:
     engines: {node: '>=6.9.0'}
     dev: true
 
-  /@babel/helper-wrap-function/7.14.5:
-    resolution: {integrity: sha512-YEdjTCq+LNuNS1WfxsDCNpgXkJaIyqco6DAelTUjT4f2KIWC1nBcaCaSdHTBqQVLnTBexBcVcFhLSU1KnYuePQ==}
-    engines: {node: '>=6.9.0'}
-    dependencies:
-      '@babel/helper-function-name': 7.15.4
-      '@babel/template': 7.15.4
-      '@babel/traverse': 7.15.4
-      '@babel/types': 7.15.4
-    transitivePeerDependencies:
-      - supports-color
-    dev: true
-
   /@babel/helper-wrap-function/7.15.4:
     resolution: {integrity: sha512-Y2o+H/hRV5W8QhIfTpRIBwl57y8PrZt6JM3V8FOo5qarjshHItyH5lXlpMfBfmBefOqSCpKZs/6Dxqp0E/U+uw==}
     engines: {node: '>=6.9.0'}
@@ -370,7 +323,7 @@ packages:
       '@babel/helper-function-name': 7.15.4
       '@babel/template': 7.15.4
       '@babel/traverse': 7.15.4
-      '@babel/types': 7.15.4
+      '@babel/types': 7.15.6
     transitivePeerDependencies:
       - supports-color
     dev: true
@@ -442,7 +395,7 @@ packages:
       '@babel/core': ^7.0.0-0
     dependencies:
       '@babel/core': 7.15.5
-      '@babel/helper-create-class-features-plugin': 7.14.5_@babel+core@7.15.5
+      '@babel/helper-create-class-features-plugin': 7.15.4_@babel+core@7.15.5
       '@babel/helper-plugin-utils': 7.14.5
     transitivePeerDependencies:
       - supports-color
@@ -528,8 +481,8 @@ packages:
       '@babel/plugin-syntax-numeric-separator': 7.10.4_@babel+core@7.15.5
     dev: true
 
-  /@babel/plugin-proposal-object-rest-spread/7.14.7_@babel+core@7.15.5:
-    resolution: {integrity: sha512-082hsZz+sVabfmDWo1Oct1u1AgbKbUAyVgmX4otIc7bdsRgHBXwTwb3DpDmD4Eyyx6DNiuz5UAATT655k+kL5g==}
+  /@babel/plugin-proposal-object-rest-spread/7.15.6_@babel+core@7.15.5:
+    resolution: {integrity: sha512-qtOHo7A1Vt+O23qEAX+GdBpqaIuD3i9VRrWgCJeq7WO6H2d14EK3q11urj5Te2MAeK97nMiIdRpwd/ST4JFbNg==}
     engines: {node: '>=6.9.0'}
     peerDependencies:
       '@babel/core': ^7.0.0-0
@@ -572,7 +525,7 @@ packages:
       '@babel/core': ^7.0.0-0
     dependencies:
       '@babel/core': 7.15.5
-      '@babel/helper-create-class-features-plugin': 7.14.5_@babel+core@7.15.5
+      '@babel/helper-create-class-features-plugin': 7.15.4_@babel+core@7.15.5
       '@babel/helper-plugin-utils': 7.14.5
     transitivePeerDependencies:
       - supports-color
@@ -752,7 +705,7 @@ packages:
       '@babel/core': 7.15.5
       '@babel/helper-module-imports': 7.15.4
       '@babel/helper-plugin-utils': 7.14.5
-      '@babel/helper-remap-async-to-generator': 7.14.5
+      '@babel/helper-remap-async-to-generator': 7.15.4
     transitivePeerDependencies:
       - supports-color
     dev: true
@@ -1091,8 +1044,8 @@ packages:
       '@babel/helper-plugin-utils': 7.14.5
     dev: true
 
-  /@babel/preset-env/7.15.4_@babel+core@7.15.5:
-    resolution: {integrity: sha512-4f2nLw+q6ht8gl3sHCmNhmA5W6b1ItLzbH3UrKuJxACHr2eCpk96jwjrAfCAaXaaVwTQGnyUYHY2EWXJGt7TUQ==}
+  /@babel/preset-env/7.15.6_@babel+core@7.15.5:
+    resolution: {integrity: sha512-L+6jcGn7EWu7zqaO2uoTDjjMBW+88FXzV8KvrBl2z6MtRNxlsmUNRlZPaNNPUTgqhyC5DHNFk/2Jmra+ublZWw==}
     engines: {node: '>=6.9.0'}
     peerDependencies:
       '@babel/core': ^7.0.0-0
@@ -1112,7 +1065,7 @@ packages:
       '@babel/plugin-proposal-logical-assignment-operators': 7.14.5_@babel+core@7.15.5
       '@babel/plugin-proposal-nullish-coalescing-operator': 7.14.5_@babel+core@7.15.5
       '@babel/plugin-proposal-numeric-separator': 7.14.5_@babel+core@7.15.5
-      '@babel/plugin-proposal-object-rest-spread': 7.14.7_@babel+core@7.15.5
+      '@babel/plugin-proposal-object-rest-spread': 7.15.6_@babel+core@7.15.5
       '@babel/plugin-proposal-optional-catch-binding': 7.14.5_@babel+core@7.15.5
       '@babel/plugin-proposal-optional-chaining': 7.14.5_@babel+core@7.15.5
       '@babel/plugin-proposal-private-methods': 7.14.5_@babel+core@7.15.5
@@ -1165,7 +1118,7 @@ packages:
       '@babel/plugin-transform-unicode-escapes': 7.14.5_@babel+core@7.15.5
       '@babel/plugin-transform-unicode-regex': 7.14.5_@babel+core@7.15.5
       '@babel/preset-modules': 0.1.4_@babel+core@7.15.5
-      '@babel/types': 7.15.4
+      '@babel/types': 7.15.6
       babel-plugin-polyfill-corejs2: 0.2.2_@babel+core@7.15.5
       babel-plugin-polyfill-corejs3: 0.2.2_@babel+core@7.15.5
       babel-plugin-polyfill-regenerator: 0.2.2_@babel+core@7.15.5
@@ -1184,7 +1137,7 @@ packages:
       '@babel/helper-plugin-utils': 7.14.5
       '@babel/plugin-proposal-unicode-property-regex': 7.14.5_@babel+core@7.15.5
       '@babel/plugin-transform-dotall-regex': 7.14.5_@babel+core@7.15.5
-      '@babel/types': 7.15.4
+      '@babel/types': 7.15.6
       esutils: 2.0.3
     dev: true
 
@@ -1236,6 +1189,14 @@ packages:
       to-fast-properties: 2.0.0
     dev: true
 
+  /@babel/types/7.15.6:
+    resolution: {integrity: sha512-BPU+7QhqNjmWyDO0/vitH/CuhpV8ZmK1wpKva8nuyNF5MJfuRNWMc+hc14+u9xT93kvykMdncrJT19h74uB1Ig==}
+    engines: {node: '>=6.9.0'}
+    dependencies:
+      '@babel/helper-validator-identifier': 7.14.9
+      to-fast-properties: 2.0.0
+    dev: true
+
   /@iarna/toml/2.2.5:
     resolution: {integrity: sha512-trnsAYxU3xnS1gPHPyU961coFyLkh4gAD/0zQ5mymY4yOZ+CYvsPqUbOFSw0aDM4y0tV7tiFxL/1XfXPNC6IPg==}
     dev: true