diff --git a/packages/hashi/package.json b/packages/hashi/package.json
index 62273ab41f..d578bf409f 100644
--- a/packages/hashi/package.json
+++ b/packages/hashi/package.json
@@ -26,7 +26,7 @@
     "dayjs": "^1.11.7",
     "fflate": "^0.7.4",
     "iri": "^1.3.1",
-    "is-language-code": "^3.0.12",
+    "is-language-code": "^5.0.8",
     "iso8601-duration": "^2.1.1",
     "toposort-class": "^1.0.1",
     "uuid": "^8.3.2"
diff --git a/yarn.lock b/yarn.lock
index 737e4cdc47..a9022b58c1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1028,7 +1028,7 @@
   resolved "https://registry.yarnpkg.com/@babel/regjsgen/-/regjsgen-0.8.0.tgz#f0ba69b075e1f05fb2825b7fad991e7adbb18310"
   integrity sha512-x/rqGMdzj+fWZvCOYForTghzbtqPDZ5gPwaoNGHdgDfF2QA/XZbCBp4Moo5scrkAMPhB7z26XM/AaHuIJdgauA==
 
-"@babel/runtime@^7.1.2", "@babel/runtime@^7.11.2", "@babel/runtime@^7.12.5", "@babel/runtime@^7.13.10", "@babel/runtime@^7.5.5", "@babel/runtime@^7.8.4", "@babel/runtime@^7.9.2":
+"@babel/runtime@^7.1.2", "@babel/runtime@^7.11.2", "@babel/runtime@^7.12.5", "@babel/runtime@^7.5.5", "@babel/runtime@^7.8.4", "@babel/runtime@^7.9.2":
   version "7.18.9"
   resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.18.9.tgz#b4fcfce55db3d2e5e080d2490f608a3b9f407f4a"
   integrity sha512-lkqXDcvlFT5rvEjiu6+QYO+1GXrEHRo2LOtS7E4GtX5ESIZOgepqsZBVIj6Pv+a6zqsya9VCgiK1KAK4BvJDAw==
@@ -3799,6 +3799,13 @@ co@^4.6.0:
   resolved "https://registry.yarnpkg.com/co/-/co-4.6.0.tgz#6ea6bdf3d853ae54ccb8e47bfa0bf3f9031fb184"
   integrity sha1-bqa989hTrlTMuOR7+gvz+QMfsYQ=
 
+codsen-utils@^1.6.1:
+  version "1.6.1"
+  resolved "https://registry.yarnpkg.com/codsen-utils/-/codsen-utils-1.6.1.tgz#2b26b0b32b37bf3d99ba0cb205ccc1bef70865b8"
+  integrity sha512-ScCWKPLAuN392DLmcgcj/CvV4kWrCoHgS5bDLQAkn5Eq9a6W/V1DAAUmEc9eezw3RDelDc/KTBOV/bSS3V9ssw==
+  dependencies:
+    rfdc "^1.3.0"
+
 collect-v8-coverage@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/collect-v8-coverage/-/collect-v8-coverage-1.0.1.tgz#cc2c8e94fc18bbdffe64d6534570c8a673b27f59"
@@ -6619,12 +6626,12 @@ is-lambda@^1.0.1:
   resolved "https://registry.yarnpkg.com/is-lambda/-/is-lambda-1.0.1.tgz#3d9877899e6a53efc0160504cde15f82e6f061d5"
   integrity sha1-PZh3iZ5qU+/AFgUEzeFfgubwYdU=
 
-is-language-code@^3.0.12:
-  version "3.0.12"
-  resolved "https://registry.yarnpkg.com/is-language-code/-/is-language-code-3.0.12.tgz#95824e2b52cdf0ef62aa4b202ae2270d41d99d6c"
-  integrity sha512-FIMe2RGBE9Rbu+qLR2TFL21vDF8D/IlMylcHGfTKlHycq7c+UAXLNUt3pV/igVLYmWpCVoGjJU2/IT+5YHvlkg==
+is-language-code@^5.0.8:
+  version "5.0.8"
+  resolved "https://registry.yarnpkg.com/is-language-code/-/is-language-code-5.0.8.tgz#a59f6370544f30538e128aff42e9f7fd85f64a01"
+  integrity sha512-Tk6NWKzw8qf13yjVg21vwzYtlUTzojFWynqrbBmNypBKMvnIrkLIpLHKQnZhv47E88CxEqdnHoUeVM4PJAzJjA==
   dependencies:
-    "@babel/runtime" "^7.13.10"
+    codsen-utils "^1.6.1"
 
 is-nan@^1.2.1:
   version "1.3.2"
@@ -9654,6 +9661,11 @@ rewire@^6.0.0:
   dependencies:
     eslint "^7.32.0"
 
+rfdc@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/rfdc/-/rfdc-1.3.0.tgz#d0b7c441ab2720d05dc4cf26e01c89631d9da08b"
+  integrity sha512-V2hovdzFbOi77/WajaSMXk2OLm+xNIeQdMMuB7icj7bk6zi2F8GGAxigcnDFpJHbNyNcgyJDiP+8nOrY5cZGrA==
+
 rimraf@2.6.3, rimraf@~2.6.2:
   version "2.6.3"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.3.tgz#b2d104fe0d8fb27cf9e0a1cda8262dd3833c6cab"