diff --git a/.changeset/renovate-8b1c21e.md b/.changeset/renovate-8b1c21e.md
new file mode 100644
index 0000000000..52b1ed546a
--- /dev/null
+++ b/.changeset/renovate-8b1c21e.md
@@ -0,0 +1,5 @@
+---
+'@backstage/cli': patch
+---
+
+Updated dependency `webpack` to `~5.105.0`.
diff --git a/packages/cli/package.json b/packages/cli/package.json
index 1d7480ee51..a089dadedd 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -193,7 +193,7 @@
     "msw": "^1.0.0",
     "nodemon": "^3.0.1",
     "terser-webpack-plugin": "^5.1.3",
-    "webpack": "~5.104.0",
+    "webpack": "~5.105.0",
     "webpack-dev-server": "^5.0.0"
   },
   "peerDependencies": {
@@ -208,7 +208,7 @@
     "jsdom": "^27.1.0",
     "mini-css-extract-plugin": "^2.4.2",
     "terser-webpack-plugin": "^5.1.3",
-    "webpack": "~5.104.0",
+    "webpack": "~5.105.0",
     "webpack-dev-server": "^5.0.0"
   },
   "peerDependenciesMeta": {
diff --git a/yarn.lock b/yarn.lock
index d0b4b75ddd..32721024f5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3419,7 +3419,7 @@ __metadata:
     ts-morph: "npm:^24.0.0"
     undici: "npm:^7.2.3"
     util: "npm:^0.12.3"
-    webpack: "npm:~5.104.0"
+    webpack: "npm:~5.105.0"
     webpack-dev-server: "npm:^5.0.0"
     yaml: "npm:^2.0.0"
     yargs: "npm:^16.2.0"
@@ -3439,7 +3439,7 @@ __metadata:
     jsdom: ^27.1.0
     mini-css-extract-plugin: ^2.4.2
     terser-webpack-plugin: ^5.1.3
-    webpack: ~5.104.0
+    webpack: ~5.105.0
     webpack-dev-server: ^5.0.0
   peerDependenciesMeta:
     "@jest/environment-jsdom-abstract":
@@ -30010,7 +30010,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"enhanced-resolve@npm:^5.17.4, enhanced-resolve@npm:^5.18.0":
+"enhanced-resolve@npm:^5.18.0, enhanced-resolve@npm:^5.19.0":
   version: 5.19.0
   resolution: "enhanced-resolve@npm:5.19.0"
   dependencies:
@@ -50621,13 +50621,13 @@ __metadata:
   languageName: node
   linkType: hard
 
-"watchpack@npm:^2.4.4":
-  version: 2.4.4
-  resolution: "watchpack@npm:2.4.4"
+"watchpack@npm:^2.5.1":
+  version: 2.5.1
+  resolution: "watchpack@npm:2.5.1"
   dependencies:
     glob-to-regexp: "npm:^0.4.1"
     graceful-fs: "npm:^4.1.2"
-  checksum: 10/cfa3473fc12a1a1b88123056941e90c462a67aedc10b242229eeeccdd45ed0b763c3b591caaffb0f7d77295b539b5518bb1ad3bcd891ae6505dfeae4cf51fd15
+  checksum: 10/9c9cdd4a9f9ae146b10d15387f383f52589e4cc27b324da6be8e7e3e755255b062a69dd7f00eef2ce67b2c01e546aae353456e74f8c1350bba00462cc6375549
   languageName: node
   linkType: hard
 
@@ -50799,9 +50799,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"webpack@npm:^5, webpack@npm:~5.104.0":
-  version: 5.104.1
-  resolution: "webpack@npm:5.104.1"
+"webpack@npm:^5, webpack@npm:~5.105.0":
+  version: 5.105.2
+  resolution: "webpack@npm:5.105.2"
   dependencies:
     "@types/eslint-scope": "npm:^3.7.7"
     "@types/estree": "npm:^1.0.8"
@@ -50813,7 +50813,7 @@ __metadata:
     acorn-import-phases: "npm:^1.0.3"
     browserslist: "npm:^4.28.1"
     chrome-trace-event: "npm:^1.0.2"
-    enhanced-resolve: "npm:^5.17.4"
+    enhanced-resolve: "npm:^5.19.0"
     es-module-lexer: "npm:^2.0.0"
     eslint-scope: "npm:5.1.1"
     events: "npm:^3.2.0"
@@ -50826,14 +50826,14 @@ __metadata:
     schema-utils: "npm:^4.3.3"
     tapable: "npm:^2.3.0"
     terser-webpack-plugin: "npm:^5.3.16"
-    watchpack: "npm:^2.4.4"
+    watchpack: "npm:^2.5.1"
     webpack-sources: "npm:^3.3.3"
   peerDependenciesMeta:
     webpack-cli:
       optional: true
   bin:
     webpack: bin/webpack.js
-  checksum: 10/c22b58fdf41d993971516154cb621d13b7b61dd744b7e2c6be972e9afcc9942694a8aaa322c07fba46448c69d663023ff53d0aeeb00eb0b125d83ace5ca8fa3c
+  checksum: 10/77cf6f13e55cae2fafae015cc4a0b341b096c284877244ef4b46b4de1884dcf4e8d1a166a91f0a7cb6db41e9de2d0facb5caf518cbd4cd7ba963c59c07ff0a5a
   languageName: node
   linkType: hard