diff --git a/.changeset/rotten-bees-design.md b/.changeset/rotten-bees-design.md
new file mode 100644
index 0000000000..4f28a8df5d
--- /dev/null
+++ b/.changeset/rotten-bees-design.md
@@ -0,0 +1,6 @@
+---
+'@backstage/backend-test-utils': patch
+'@backstage/test-utils': patch
+---
+
+Moved `@types/jest` to `devDependencies`.
diff --git a/packages/backend-test-utils/package.json b/packages/backend-test-utils/package.json
index 92e7b99470..8141379bb4 100644
--- a/packages/backend-test-utils/package.json
+++ b/packages/backend-test-utils/package.json
@@ -75,10 +75,8 @@
   },
   "devDependencies": {
     "@backstage/cli": "workspace:^",
+    "@types/jest": "*",
     "@types/supertest": "^2.0.8",
     "supertest": "^7.0.0"
-  },
-  "peerDependencies": {
-    "@types/jest": "*"
   }
 }
diff --git a/packages/test-utils/package.json b/packages/test-utils/package.json
index c6dd660d9f..5d97304350 100644
--- a/packages/test-utils/package.json
+++ b/packages/test-utils/package.json
@@ -74,16 +74,12 @@
   },
   "peerDependencies": {
     "@testing-library/react": "^16.0.0",
-    "@types/jest": "*",
     "@types/react": "^17.0.0 || ^18.0.0",
     "react": "^17.0.0 || ^18.0.0",
     "react-dom": "^17.0.0 || ^18.0.0",
     "react-router-dom": "^6.3.0"
   },
   "peerDependenciesMeta": {
-    "@types/jest": {
-      "optional": true
-    },
     "@types/react": {
       "optional": true
     }
diff --git a/yarn.lock b/yarn.lock
index 87017c2e2d..ae8f57f95f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3811,6 +3811,7 @@ __metadata:
     "@keyv/redis": ^4.0.1
     "@types/express": ^4.17.6
     "@types/express-serve-static-core": ^4.17.5
+    "@types/jest": "*"
     "@types/keyv": ^4.2.0
     "@types/qs": ^6.9.6
     "@types/supertest": ^2.0.8
@@ -3828,8 +3829,6 @@ __metadata:
     textextensions: ^5.16.0
     uuid: ^11.0.0
     yn: ^4.0.0
-  peerDependencies:
-    "@types/jest": "*"
   languageName: unknown
   linkType: soft
 
@@ -8751,14 +8750,11 @@ __metadata:
     zen-observable: ^0.10.0
   peerDependencies:
     "@testing-library/react": ^16.0.0
-    "@types/jest": "*"
     "@types/react": ^17.0.0 || ^18.0.0
     react: ^17.0.0 || ^18.0.0
     react-dom: ^17.0.0 || ^18.0.0
     react-router-dom: ^6.3.0
   peerDependenciesMeta:
-    "@types/jest":
-      optional: true
     "@types/react":
       optional: true
   languageName: unknown