diff --git a/ruby-gem/spec/dummy/package.json b/ruby-gem/spec/dummy/package.json
index b965627d8..207d81f68 100644
--- a/ruby-gem/spec/dummy/package.json
+++ b/ruby-gem/spec/dummy/package.json
@@ -24,7 +24,7 @@
     "@babel/plugin-transform-runtime": "7",
     "@babel/preset-env": "^7.29.2",
     "@babel/preset-react": "^7.28.5",
-    "@babel/runtime": "7",
+    "@babel/runtime": "8",
     "@kaspernj/api-maker": "file:../../../npm-api-maker",
     "@rails/actioncable": "^8.1.300",
     "@swc/core": "^1.15.46",
diff --git a/ruby-gem/spec/dummy/yarn.lock b/ruby-gem/spec/dummy/yarn.lock
index 2aa6a372e..1323848b3 100644
--- a/ruby-gem/spec/dummy/yarn.lock
+++ b/ruby-gem/spec/dummy/yarn.lock
@@ -851,7 +851,12 @@
     "@babel/plugin-transform-react-jsx-development" "^7.27.1"
     "@babel/plugin-transform-react-pure-annotations" "^7.27.1"
 
-"@babel/runtime@7", "@babel/runtime@^7.12.5", "@babel/runtime@^7.18.6", "@babel/runtime@^7.7.6":
+"@babel/runtime@8":
+  version "8.0.0"
+  resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-8.0.0.tgz#d7bd513e6843662346552c2798ab895716cf97f2"
+  integrity sha512-sL6cvO2IfkSu/iU+zs2S/w01B7A8V7suXSIKEN4hPFFdZoiPGxrj5pAG0lCaqLWiEIrjKzdznIWuaLcxPR53qw==
+
+"@babel/runtime@^7.12.5", "@babel/runtime@^7.18.6", "@babel/runtime@^7.7.6":
   version "7.29.2"
   resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.29.2.tgz#9a6e2d05f4b6692e1801cd4fb176ad823930ed5e"
   integrity sha512-JiDShH45zKHWyGe4ZNVRrCjBz8Nh9TMmZG1kh4QTK8hCBTWBi8Da+i7s1fJw7/lYpM4ccepSNfqzZ/QvABBi5g==