diff --git a/.changeset/honest-bears-itch.md b/.changeset/honest-bears-itch.md
new file mode 100644
index 0000000000..4c0cd5f47e
--- /dev/null
+++ b/.changeset/honest-bears-itch.md
@@ -0,0 +1,5 @@
+---
+'@backstage/backend-test-utils': patch
+---
+
+Switched `textextensions` dependency for `text-extensions`.
diff --git a/packages/backend-test-utils/package.json b/packages/backend-test-utils/package.json
index 70bc3e2e81..64d07ee281 100644
--- a/packages/backend-test-utils/package.json
+++ b/packages/backend-test-utils/package.json
@@ -76,7 +76,7 @@
     "pg": "^8.11.3",
     "pg-connection-string": "^2.3.0",
     "testcontainers": "^10.0.0",
-    "textextensions": "^5.16.0",
+    "text-extensions": "^2.4.0",
     "uuid": "^11.0.0",
     "yn": "^4.0.0",
     "zod": "^3.22.4",
diff --git a/packages/backend-test-utils/src/filesystem/MockDirectory.ts b/packages/backend-test-utils/src/filesystem/MockDirectory.ts
index a1d616d8e0..f940a4cd7b 100644
--- a/packages/backend-test-utils/src/filesystem/MockDirectory.ts
+++ b/packages/backend-test-utils/src/filesystem/MockDirectory.ts
@@ -17,7 +17,7 @@
 import os from 'os';
 import { isChildPath } from '@backstage/backend-plugin-api';
 import fs from 'fs-extra';
-import textextensions from 'textextensions';
+import textextensions from 'text-extensions';
 import {
   dirname,
   extname,
diff --git a/yarn.lock b/yarn.lock
index 2d303fdb03..617c9eaf7e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3098,7 +3098,7 @@ __metadata:
     pg-connection-string: "npm:^2.3.0"
     supertest: "npm:^7.0.0"
     testcontainers: "npm:^10.0.0"
-    textextensions: "npm:^5.16.0"
+    text-extensions: "npm:^2.4.0"
     uuid: "npm:^11.0.0"
     yn: "npm:^4.0.0"
     zod: "npm:^3.22.4"
@@ -47192,6 +47192,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"text-extensions@npm:^2.4.0":
+  version: 2.4.0
+  resolution: "text-extensions@npm:2.4.0"
+  checksum: 10/9bdbc9959e004ccc86a6ec076d6c5bb6765978263e9d0d5febb640d7675c09919ea912f3fe9d50b68c3c7c43cc865610a7cb24954343abb31f74c205fbae4e45
+  languageName: node
+  linkType: hard
+
 "text-hex@npm:1.0.x":
   version: 1.0.0
   resolution: "text-hex@npm:1.0.0"
@@ -47206,7 +47213,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"textextensions@npm:^5.12.0, textextensions@npm:^5.13.0, textextensions@npm:^5.16.0":
+"textextensions@npm:^5.12.0, textextensions@npm:^5.13.0":
   version: 5.16.0
   resolution: "textextensions@npm:5.16.0"
   checksum: 10/d41e9265e9d74d192d4fb26fc89a2f4dbe7a6d85cc5c14f99f1df68d07bce5346f8abe0ed680a91ef805b91e9972e5787c7365a03f3a5489e16ca350d28a3879