diff --git a/package.json b/package.json
index d3d1deb55d4d..e63edb4344d7 100644
--- a/package.json
+++ b/package.json
@@ -143,7 +143,7 @@
     "http-proxy-middleware": "3.0.2",
     "https-proxy-agent": "7.0.5",
     "husky": "9.1.5",
-    "ini": "4.1.3",
+    "ini": "5.0.0",
     "istanbul-lib-instrument": "6.0.3",
     "jasmine": "^5.0.0",
     "jasmine-core": "~5.2.0",
diff --git a/packages/angular/cli/package.json b/packages/angular/cli/package.json
index fb36eced6e81..cca8b8e482a1 100644
--- a/packages/angular/cli/package.json
+++ b/packages/angular/cli/package.json
@@ -29,7 +29,7 @@
     "@listr2/prompt-adapter-inquirer": "2.0.15",
     "@schematics/angular": "0.0.0-PLACEHOLDER",
     "@yarnpkg/lockfile": "1.1.0",
-    "ini": "4.1.3",
+    "ini": "5.0.0",
     "jsonc-parser": "3.3.1",
     "listr2": "8.2.4",
     "npm-package-arg": "11.0.3",
diff --git a/yarn.lock b/yarn.lock
index f2a97d766734..81ad6b90b844 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -525,7 +525,7 @@ __metadata:
     "@listr2/prompt-adapter-inquirer": "npm:2.0.15"
     "@schematics/angular": "npm:0.0.0-PLACEHOLDER"
     "@yarnpkg/lockfile": "npm:1.1.0"
-    ini: "npm:4.1.3"
+    ini: "npm:5.0.0"
     jsonc-parser: "npm:3.3.1"
     listr2: "npm:8.2.4"
     npm-package-arg: "npm:11.0.3"
@@ -719,7 +719,7 @@ __metadata:
     http-proxy-middleware: "npm:3.0.2"
     https-proxy-agent: "npm:7.0.5"
     husky: "npm:9.1.5"
-    ini: "npm:4.1.3"
+    ini: "npm:5.0.0"
     istanbul-lib-instrument: "npm:6.0.3"
     jasmine: "npm:^5.0.0"
     jasmine-core: "npm:~5.2.0"
@@ -10660,10 +10660,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"ini@npm:4.1.3, ini@npm:^4.1.2, ini@npm:^4.1.3":
-  version: 4.1.3
-  resolution: "ini@npm:4.1.3"
-  checksum: 10c0/0d27eff094d5f3899dd7c00d0c04ea733ca03a8eb6f9406ce15daac1a81de022cb417d6eaff7e4342451ffa663389c565ffc68d6825eaf686bf003280b945764
+"ini@npm:5.0.0":
+  version: 5.0.0
+  resolution: "ini@npm:5.0.0"
+  checksum: 10c0/657491ce766cbb4b335ab221ee8f72b9654d9f0e35c32fe5ff2eb7ab8c5ce72237ff6456555b50cde88e6507a719a70e28e327b450782b4fc20c90326ec8c1a8
   languageName: node
   linkType: hard
 
@@ -10674,6 +10674,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"ini@npm:^4.1.2, ini@npm:^4.1.3":
+  version: 4.1.3
+  resolution: "ini@npm:4.1.3"
+  checksum: 10c0/0d27eff094d5f3899dd7c00d0c04ea733ca03a8eb6f9406ce15daac1a81de022cb417d6eaff7e4342451ffa663389c565ffc68d6825eaf686bf003280b945764
+  languageName: node
+  linkType: hard
+
 "init-package-json@npm:^6.0.3":
   version: 6.0.3
   resolution: "init-package-json@npm:6.0.3"