diff --git a/packages/react-devtools-extensions/package.json b/packages/react-devtools-extensions/package.json
index 383f7d4211894..9dfceea840a05 100644
--- a/packages/react-devtools-extensions/package.json
+++ b/packages/react-devtools-extensions/package.json
@@ -28,6 +28,7 @@
     "@babel/plugin-transform-modules-commonjs": "^7.10.4",
     "@babel/plugin-transform-react-jsx-source": "^7.10.5",
     "@babel/preset-react": "^7.10.4",
+    "@jridgewell/sourcemap-codec": "1.5.5",
     "acorn-jsx": "^5.2.0",
     "archiver": "^3.0.0",
     "babel-core": "^7.0.0-bridge",
@@ -60,7 +61,6 @@
     "raw-loader": "^3.1.0",
     "rimraf": "^5.0.1",
     "source-map-js": "^0.6.2",
-    "sourcemap-codec": "^1.4.8",
     "style-loader": "^0.23.1",
     "webpack": "^5.82.1",
     "webpack-cli": "^5.1.1",
diff --git a/packages/react-devtools-inline/package.json b/packages/react-devtools-inline/package.json
index 8d3f1e71c10ff..9d207527b813d 100644
--- a/packages/react-devtools-inline/package.json
+++ b/packages/react-devtools-inline/package.json
@@ -22,8 +22,8 @@
     "test:e2e": "playwright test --config=playwright.config.js"
   },
   "dependencies": {
-    "source-map-js": "^0.6.2",
-    "sourcemap-codec": "^1.4.8"
+    "@jridgewell/sourcemap-codec": "1.5.5",
+    "source-map-js": "^0.6.2"
   },
   "devDependencies": {
     "@babel/core": "^7.11.1",
diff --git a/packages/react-devtools-shared/src/hooks/SourceMapConsumer.js b/packages/react-devtools-shared/src/hooks/SourceMapConsumer.js
index c9521431fce1b..468905bf8716e 100644
--- a/packages/react-devtools-shared/src/hooks/SourceMapConsumer.js
+++ b/packages/react-devtools-shared/src/hooks/SourceMapConsumer.js
@@ -7,7 +7,7 @@
  * @flow
  */
 import {withSyncPerfMeasurements} from 'react-devtools-shared/src/PerformanceLoggingUtils';
-import {decode} from 'sourcemap-codec';
+import {decode} from '@jridgewell/sourcemap-codec';
 
 import type {
   IndexSourceMap,
@@ -47,7 +47,7 @@ export default function SourceMapConsumer(
 
 function BasicSourceMapConsumer(sourceMapJSON: BasicSourceMap) {
   const decodedMappings: Mappings = withSyncPerfMeasurements(
-    'Decoding source map mappings with sourcemap-codec',
+    'Decoding source map mappings with @jridgewell/sourcemap-codec',
     () => decode(sourceMapJSON.mappings),
   );
 
diff --git a/packages/react-devtools-shared/src/hooks/__tests__/updateMockSourceMaps.js b/packages/react-devtools-shared/src/hooks/__tests__/updateMockSourceMaps.js
index 2e10c7681feff..bdcfe03964bb6 100644
--- a/packages/react-devtools-shared/src/hooks/__tests__/updateMockSourceMaps.js
+++ b/packages/react-devtools-shared/src/hooks/__tests__/updateMockSourceMaps.js
@@ -14,7 +14,7 @@ const babel = require('@rollup/plugin-babel').babel;
 const commonjs = require('@rollup/plugin-commonjs');
 const jsx = require('acorn-jsx');
 const rollupResolve = require('@rollup/plugin-node-resolve').nodeResolve;
-const {encode, decode} = require('sourcemap-codec');
+const {encode, decode} = require('@jridgewell/sourcemap-codec');
 const {generateEncodedHookMap} = require('../generateHookMap');
 const {parse} = require('@babel/parser');
 
diff --git a/packages/react-devtools-shared/src/hooks/generateHookMap.js b/packages/react-devtools-shared/src/hooks/generateHookMap.js
index bd81d5e8ea146..a8a7576cbed9c 100644
--- a/packages/react-devtools-shared/src/hooks/generateHookMap.js
+++ b/packages/react-devtools-shared/src/hooks/generateHookMap.js
@@ -8,7 +8,7 @@
  */
 
 import {getHookNamesMappingFromAST} from './astUtils';
-import {encode, decode} from 'sourcemap-codec';
+import {encode, decode} from '@jridgewell/sourcemap-codec';
 
 // Missing types in @babel/types
 type File = any;
diff --git a/yarn.lock b/yarn.lock
index f77d4483c8737..b24896f5c81a9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3227,6 +3227,11 @@
   resolved "https://registry.yarnpkg.com/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.4.14.tgz#add4c98d341472a289190b424efbdb096991bb24"
   integrity sha512-XPSJHWmi394fuUuzDnGz1wiKqWfo1yXecHQMRf2l6hztTO+nPru658AyDngaBe7isIxEkRsPR3FZh+s7iVa4Uw==
 
+"@jridgewell/sourcemap-codec@1.5.5":
+  version "1.5.5"
+  resolved "https://registry.yarnpkg.com/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.5.5.tgz#6912b00d2c631c0d15ce1a7ab57cd657f2a8f8ba"
+  integrity sha512-cYQ9310grqxueWbl+WuIUIaiUaDcj7WOq5fVhEljNVgRfOUhY9fy2zTvfoqWsnebh8Sl70VScFbICvJnLKB0Og==
+
 "@jridgewell/sourcemap-codec@^1.4.10", "@jridgewell/sourcemap-codec@^1.4.14", "@jridgewell/sourcemap-codec@^1.4.15":
   version "1.4.15"
   resolved "https://registry.yarnpkg.com/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.4.15.tgz#d7c6e6755c78567a951e04ab52ef0fd26de59f32"
@@ -8269,7 +8274,7 @@ eslint-utils@^2.0.0, eslint-utils@^2.1.0:
   dependencies:
     eslint-visitor-keys "^1.1.0"
 
-"eslint-v7@npm:eslint@^7.7.0", eslint@^7.7.0:
+"eslint-v7@npm:eslint@^7.7.0":
   version "7.32.0"
   resolved "https://registry.yarnpkg.com/eslint/-/eslint-7.32.0.tgz#c6d328a14be3fb08c8d1d21e12c02fdb7a2a812d"
   integrity sha512-VHZ8gX+EDfz+97jGcgyGCyRia/dPOd6Xh9yPv8Bl1+SoaIwD+a/vlrOmGRUyOYu7MwUhc7CxqeaDZU13S4+EpA==
@@ -8468,6 +8473,52 @@ eslint@8.57.0:
     strip-ansi "^6.0.1"
     text-table "^0.2.0"
 
+eslint@^7.7.0:
+  version "7.32.0"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-7.32.0.tgz#c6d328a14be3fb08c8d1d21e12c02fdb7a2a812d"
+  integrity sha512-VHZ8gX+EDfz+97jGcgyGCyRia/dPOd6Xh9yPv8Bl1+SoaIwD+a/vlrOmGRUyOYu7MwUhc7CxqeaDZU13S4+EpA==
+  dependencies:
+    "@babel/code-frame" "7.12.11"
+    "@eslint/eslintrc" "^0.4.3"
+    "@humanwhocodes/config-array" "^0.5.0"
+    ajv "^6.10.0"
+    chalk "^4.0.0"
+    cross-spawn "^7.0.2"
+    debug "^4.0.1"
+    doctrine "^3.0.0"
+    enquirer "^2.3.5"
+    escape-string-regexp "^4.0.0"
+    eslint-scope "^5.1.1"
+    eslint-utils "^2.1.0"
+    eslint-visitor-keys "^2.0.0"
+    espree "^7.3.1"
+    esquery "^1.4.0"
+    esutils "^2.0.2"
+    fast-deep-equal "^3.1.3"
+    file-entry-cache "^6.0.1"
+    functional-red-black-tree "^1.0.1"
+    glob-parent "^5.1.2"
+    globals "^13.6.0"
+    ignore "^4.0.6"
+    import-fresh "^3.0.0"
+    imurmurhash "^0.1.4"
+    is-glob "^4.0.0"
+    js-yaml "^3.13.1"
+    json-stable-stringify-without-jsonify "^1.0.1"
+    levn "^0.4.1"
+    lodash.merge "^4.6.2"
+    minimatch "^3.0.4"
+    natural-compare "^1.4.0"
+    optionator "^0.9.1"
+    progress "^2.0.0"
+    regexpp "^3.1.0"
+    semver "^7.2.1"
+    strip-ansi "^6.0.0"
+    strip-json-comments "^3.1.0"
+    table "^6.0.9"
+    text-table "^0.2.0"
+    v8-compile-cache "^2.0.3"
+
 espree@10.0.1, espree@^10.0.1:
   version "10.0.1"
   resolved "https://registry.yarnpkg.com/espree/-/espree-10.0.1.tgz#600e60404157412751ba4a6f3a2ee1a42433139f"
@@ -14269,7 +14320,7 @@ prepend-http@^2.0.0:
   resolved "https://registry.yarnpkg.com/prepend-http/-/prepend-http-2.0.0.tgz#e92434bfa5ea8c19f41cdfd401d741a3c819d897"
   integrity sha1-6SQ0v6XqjBn0HN/UAddBo8gZ2Jc=
 
-"prettier-2@npm:prettier@^2", prettier@^2.5.1:
+"prettier-2@npm:prettier@^2":
   version "2.8.8"
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.8.8.tgz#e8c5d7e98a4305ffe3de2e1fc4aca1a71c28b1da"
   integrity sha512-tdN8qQGvNjw4CHbY+XXk0JgCXn9QiF21a55rBe5LJAU+kDyC4WQn4+awm2Xfk2lQMk5fKup9XgzTZtGkjBdP9Q==
@@ -14284,6 +14335,11 @@ prettier@^1.19.1:
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.19.1.tgz#f7d7f5ff8a9cd872a7be4ca142095956a60797cb"
   integrity sha512-s7PoyDv/II1ObgQunCbB9PdLmUcBZcnWOcxDh7O0N/UwDEsHyqkW+Qh28jW+mVuCdx7gLB0BotYI1Y6uI9iyew==
 
+prettier@^2.5.1:
+  version "2.8.8"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.8.8.tgz#e8c5d7e98a4305ffe3de2e1fc4aca1a71c28b1da"
+  integrity sha512-tdN8qQGvNjw4CHbY+XXk0JgCXn9QiF21a55rBe5LJAU+kDyC4WQn4+awm2Xfk2lQMk5fKup9XgzTZtGkjBdP9Q==
+
 pretty-format@^29.4.1:
   version "29.4.1"
   resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-29.4.1.tgz#0da99b532559097b8254298da7c75a0785b1751c"
@@ -16158,7 +16214,7 @@ string-natural-compare@^3.0.1:
   resolved "https://registry.yarnpkg.com/string-natural-compare/-/string-natural-compare-3.0.1.tgz#7a42d58474454963759e8e8b7ae63d71c1e7fdf4"
   integrity sha512-n3sPwynL1nwKi3WJ6AIsClwBMa0zTi54fn2oLU6ndfTSIO05xaznjSf15PcBZU6FNWbmN5Q6cxT4V5hGvB4taw==
 
-"string-width-cjs@npm:string-width@^4.2.0", string-width@^4.1.0, string-width@^4.2.0, string-width@^4.2.3:
+"string-width-cjs@npm:string-width@^4.2.0":
   version "4.2.3"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-4.2.3.tgz#269c7117d27b05ad2e536830a8ec895ef9c6d010"
   integrity sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==
@@ -16193,6 +16249,15 @@ string-width@^4.0.0:
     is-fullwidth-code-point "^3.0.0"
     strip-ansi "^6.0.0"
 
+string-width@^4.1.0, string-width@^4.2.0, string-width@^4.2.3:
+  version "4.2.3"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-4.2.3.tgz#269c7117d27b05ad2e536830a8ec895ef9c6d010"
+  integrity sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==
+  dependencies:
+    emoji-regex "^8.0.0"
+    is-fullwidth-code-point "^3.0.0"
+    strip-ansi "^6.0.1"
+
 string-width@^5.0.1, string-width@^5.1.2:
   version "5.1.2"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-5.1.2.tgz#14f8daec6d81e7221d2a357e668cab73bdbca794"
@@ -16253,7 +16318,7 @@ string_decoder@~1.1.1:
   dependencies:
     safe-buffer "~5.1.0"
 
-"strip-ansi-cjs@npm:strip-ansi@^6.0.1", strip-ansi@^6.0.0, strip-ansi@^6.0.1:
+"strip-ansi-cjs@npm:strip-ansi@^6.0.1":
   version "6.0.1"
   resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-6.0.1.tgz#9e26c63d30f53443e9489495b2105d37b67a85d9"
   integrity sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==
@@ -16281,6 +16346,13 @@ strip-ansi@^5.1.0:
   dependencies:
     ansi-regex "^4.1.0"
 
+strip-ansi@^6.0.0, strip-ansi@^6.0.1:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-6.0.1.tgz#9e26c63d30f53443e9489495b2105d37b67a85d9"
+  integrity sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==
+  dependencies:
+    ansi-regex "^5.0.1"
+
 strip-ansi@^7.0.1:
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-7.1.0.tgz#d5b6568ca689d8561370b0707685d22434faff45"
@@ -17889,7 +17961,7 @@ workerize-loader@^2.0.2:
   dependencies:
     loader-utils "^2.0.0"
 
-"wrap-ansi-cjs@npm:wrap-ansi@^7.0.0", wrap-ansi@^7.0.0:
+"wrap-ansi-cjs@npm:wrap-ansi@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-7.0.0.tgz#67e145cff510a6a6984bdf1152911d69d2eb9e43"
   integrity sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==
@@ -17907,6 +17979,15 @@ wrap-ansi@^6.2.0:
     string-width "^4.1.0"
     strip-ansi "^6.0.0"
 
+wrap-ansi@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-7.0.0.tgz#67e145cff510a6a6984bdf1152911d69d2eb9e43"
+  integrity sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==
+  dependencies:
+    ansi-styles "^4.0.0"
+    string-width "^4.1.0"
+    strip-ansi "^6.0.0"
+
 wrap-ansi@^8.1.0:
   version "8.1.0"
   resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-8.1.0.tgz#56dc22368ee570face1b49819975d9b9a5ead214"