diff --git a/plugins/kubernetes-versions-backend/package.json b/plugins/kubernetes-versions-backend/package.json
index 6356ce6..8535c3c 100644
--- a/plugins/kubernetes-versions-backend/package.json
+++ b/plugins/kubernetes-versions-backend/package.json
@@ -43,13 +43,13 @@
   "dependencies": {
     "@backstage/backend-plugin-api": "^1.10.1",
     "@backstage/errors": "^1.3.1",
-    "express": "^4.22.3",
+    "express": "^5.0.0",
     "express-promise-router": "^4.1.1"
   },
   "devDependencies": {
     "@backstage/backend-test-utils": "^1.11.7",
     "@backstage/cli": "^0.36.6",
-    "@types/express": "^4.17.25",
+    "@types/express": "^5.0.0",
     "@types/supertest": "^7.2.1",
     "supertest": "^7.3.1"
   },
diff --git a/yarn.lock b/yarn.lock
index 7355204..3d2b4f0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3326,9 +3326,9 @@ __metadata:
     "@backstage/backend-test-utils": "npm:^1.11.7"
     "@backstage/cli": "npm:^0.36.6"
     "@backstage/errors": "npm:^1.3.1"
-    "@types/express": "npm:^4.17.25"
+    "@types/express": "npm:^5.0.0"
     "@types/supertest": "npm:^7.2.1"
-    express: "npm:^4.22.3"
+    express: "npm:^5.0.0"
     express-promise-router: "npm:^4.1.1"
     supertest: "npm:^7.3.1"
   languageName: unknown
@@ -8149,7 +8149,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/express@npm:*":
+"@types/express@npm:*, @types/express@npm:^5.0.0":
   version: 5.0.6
   resolution: "@types/express@npm:5.0.6"
   dependencies:
@@ -9962,6 +9962,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"accepts@npm:^2.0.0":
+  version: 2.0.0
+  resolution: "accepts@npm:2.0.0"
+  dependencies:
+    mime-types: "npm:^3.0.0"
+    negotiator: "npm:^1.0.0"
+  checksum: 10c0/98374742097e140891546076215f90c32644feacf652db48412329de4c2a529178a81aa500fbb13dd3e6cbf6e68d829037b123ac037fc9a08bcec4b87b358eef
+  languageName: node
+  linkType: hard
+
 "accepts@npm:~1.3.8":
   version: 1.3.8
   resolution: "accepts@npm:1.3.8"
@@ -11133,6 +11143,23 @@ __metadata:
   languageName: node
   linkType: hard
 
+"body-parser@npm:^2.3.0":
+  version: 2.3.0
+  resolution: "body-parser@npm:2.3.0"
+  dependencies:
+    bytes: "npm:^3.1.2"
+    content-type: "npm:^2.0.0"
+    debug: "npm:^4.4.3"
+    http-errors: "npm:^2.0.1"
+    iconv-lite: "npm:^0.7.2"
+    on-finished: "npm:^2.4.1"
+    qs: "npm:^6.15.2"
+    raw-body: "npm:^3.0.2"
+    type-is: "npm:^2.1.0"
+  checksum: 10c0/2a8fbbdc471b588338555a3e1a597d1eb0ad0c21cf20fdc3bac5d3f8d9c3a4b19b4163575ab852a43a5dfc0df7770ced5284f979e561f1a24c2f851ce89e695a
+  languageName: node
+  linkType: hard
+
 "bonjour-service@npm:^1.2.1":
   version: 1.4.4
   resolution: "bonjour-service@npm:1.4.4"
@@ -11418,7 +11445,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"bytes@npm:3.1.2, bytes@npm:~3.1.2":
+"bytes@npm:3.1.2, bytes@npm:^3.1.2, bytes@npm:~3.1.2":
   version: 3.1.2
   resolution: "bytes@npm:3.1.2"
   checksum: 10c0/76d1c43cbd602794ad8ad2ae94095cddeb1de78c5dddaa7005c51af10b0176c69971a6d88e805a90c2b6550d76636e43c40d8427a808b8645ede885de4a0358e
@@ -12317,6 +12344,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"content-disposition@npm:^2.0.1":
+  version: 2.0.1
+  resolution: "content-disposition@npm:2.0.1"
+  checksum: 10c0/8ba0e1f95102343a69a9a4b6f17728209d4ff0402b830b7cda91dcdfbb12eed0201dcd02aaa1e56f9bcf1c5b8ccef4a70e83b58292cf26588d8d5f7d05a0c006
+  languageName: node
+  linkType: hard
+
 "content-disposition@npm:~0.5.4":
   version: 0.5.4
   resolution: "content-disposition@npm:0.5.4"
@@ -12333,7 +12367,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"content-type@npm:^2.1.0":
+"content-type@npm:^2.0.0, content-type@npm:^2.1.0":
   version: 2.1.0
   resolution: "content-type@npm:2.1.0"
   checksum: 10c0/f5d420f55fd0c7a7f7cbae9637777ce67a074aa79b489d8d9fee8599089592b5f8bb194e1d6885741fee20271034baca0d68d5419535b52d070c4f7e39f4b448
@@ -12378,7 +12412,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"cookie-signature@npm:^1.2.2":
+"cookie-signature@npm:^1.2.1, cookie-signature@npm:^1.2.2":
   version: 1.2.2
   resolution: "cookie-signature@npm:1.2.2"
   checksum: 10c0/54e05df1a293b3ce81589b27dddc445f462f6fa6812147c033350cd3561a42bc14481674e05ed14c7bd0ce1e8bb3dc0e40851bad75415733711294ddce0b7bc6
@@ -12392,7 +12426,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"cookie@npm:0.7.2, cookie@npm:^0.7.0, cookie@npm:~0.7.1, cookie@npm:~0.7.2":
+"cookie@npm:0.7.2, cookie@npm:^0.7.0, cookie@npm:^0.7.1, cookie@npm:~0.7.1, cookie@npm:~0.7.2":
   version: 0.7.2
   resolution: "cookie@npm:0.7.2"
   checksum: 10c0/9596e8ccdbf1a3a88ae02cf5ee80c1c50959423e1022e4e60b91dd87c622af1da309253d8abdb258fb5e3eacb4f08e579dc58b4897b8087574eee0fd35dfa5d2
@@ -13255,7 +13289,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"depd@npm:2.0.0, depd@npm:~2.0.0":
+"depd@npm:2.0.0, depd@npm:^2.0.0, depd@npm:~2.0.0":
   version: 2.0.0
   resolution: "depd@npm:2.0.0"
   checksum: 10c0/58bd06ec20e19529b06f7ad07ddab60e504d9e0faca4bd23079fac2d279c3594334d736508dc350e06e510aba5e22e4594483b3a6562ce7c17dd797f4cc4ad2c
@@ -13690,6 +13724,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"encodeurl@npm:^2.0.0, encodeurl@npm:~2.0.0":
+  version: 2.0.0
+  resolution: "encodeurl@npm:2.0.0"
+  checksum: 10c0/5d317306acb13e6590e28e27924c754163946a2480de11865c991a3a7eed4315cd3fba378b543ca145829569eefe9b899f3d84bb09870f675ae60bc924b01ceb
+  languageName: node
+  linkType: hard
+
 "encodeurl@npm:~1.0.2":
   version: 1.0.2
   resolution: "encodeurl@npm:1.0.2"
@@ -13697,13 +13738,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"encodeurl@npm:~2.0.0":
-  version: 2.0.0
-  resolution: "encodeurl@npm:2.0.0"
-  checksum: 10c0/5d317306acb13e6590e28e27924c754163946a2480de11865c991a3a7eed4315cd3fba378b543ca145829569eefe9b899f3d84bb09870f675ae60bc924b01ceb
-  languageName: node
-  linkType: hard
-
 "end-of-stream@npm:^1.0.0, end-of-stream@npm:^1.1.0, end-of-stream@npm:^1.4.1":
   version: 1.4.5
   resolution: "end-of-stream@npm:1.4.5"
@@ -14080,7 +14114,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"escape-html@npm:~1.0.3":
+"escape-html@npm:^1.0.3, escape-html@npm:~1.0.3":
   version: 1.0.3
   resolution: "escape-html@npm:1.0.3"
   checksum: 10c0/524c739d776b36c3d29fa08a22e03e8824e3b2fd57500e5e44ecf3cc4707c34c60f9ca0781c0e33d191f2991161504c295e98f68c78fe7baa6e57081ec6ac0a3
@@ -14496,7 +14530,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"etag@npm:~1.8.1":
+"etag@npm:^1.8.1, etag@npm:~1.8.1":
   version: 1.8.1
   resolution: "etag@npm:1.8.1"
   checksum: 10c0/12be11ef62fb9817314d790089a0a49fae4e1b50594135dcb8076312b7d7e470884b5100d249b28c18581b7fd52f8b485689ffae22a11ed9ec17377a33a08f84
@@ -14672,7 +14706,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"express@npm:^4.14.0, express@npm:^4.22.0, express@npm:^4.22.1, express@npm:^4.22.3":
+"express@npm:^4.14.0, express@npm:^4.22.0, express@npm:^4.22.1":
   version: 4.22.3
   resolution: "express@npm:4.22.3"
   dependencies:
@@ -14711,6 +14745,42 @@ __metadata:
   languageName: node
   linkType: hard
 
+"express@npm:^5.0.0":
+  version: 5.3.0
+  resolution: "express@npm:5.3.0"
+  dependencies:
+    accepts: "npm:^2.0.0"
+    body-parser: "npm:^2.3.0"
+    content-disposition: "npm:^2.0.1"
+    content-type: "npm:^2.0.0"
+    cookie: "npm:^0.7.1"
+    cookie-signature: "npm:^1.2.1"
+    debug: "npm:^4.4.0"
+    depd: "npm:^2.0.0"
+    encodeurl: "npm:^2.0.0"
+    escape-html: "npm:^1.0.3"
+    etag: "npm:^1.8.1"
+    finalhandler: "npm:^2.1.0"
+    fresh: "npm:^2.0.0"
+    http-errors: "npm:^2.0.0"
+    merge-descriptors: "npm:^2.0.0"
+    mime-types: "npm:^3.0.0"
+    on-finished: "npm:^2.4.1"
+    once: "npm:^1.4.0"
+    parseurl: "npm:^1.3.3"
+    proxy-addr: "npm:^2.0.8"
+    qs: "npm:^6.16.0"
+    range-parser: "npm:^1.2.1"
+    router: "npm:^2.2.0"
+    send: "npm:^1.1.0"
+    serve-static: "npm:^2.2.0"
+    statuses: "npm:^2.0.1"
+    type-is: "npm:^2.1.0"
+    vary: "npm:^1.1.2"
+  checksum: 10c0/7d6c1a3e404db0a26f7ed1143ad6bb0bcf33fec8dc66b3e56b59f94f4660e7d3d8395bf03f80e51f6b74ce976856a3e97133a371ec4d012409729fff9233eb15
+  languageName: node
+  linkType: hard
+
 "extend@npm:3.0.2, extend@npm:^3.0.0, extend@npm:^3.0.2":
   version: 3.0.2
   resolution: "extend@npm:3.0.2"
@@ -14945,6 +15015,20 @@ __metadata:
   languageName: node
   linkType: hard
 
+"finalhandler@npm:^2.1.0":
+  version: 2.1.1
+  resolution: "finalhandler@npm:2.1.1"
+  dependencies:
+    debug: "npm:^4.4.0"
+    encodeurl: "npm:^2.0.0"
+    escape-html: "npm:^1.0.3"
+    on-finished: "npm:^2.4.1"
+    parseurl: "npm:^1.3.3"
+    statuses: "npm:^2.0.1"
+  checksum: 10c0/6bd664e21b7b2e79efcaace7d1a427169f61cce048fae68eb56290e6934e676b78e55d89f5998c5508871345bc59a61f47002dc505dc7288be68cceac1b701e2
+  languageName: node
+  linkType: hard
+
 "finalhandler@npm:~1.3.1":
   version: 1.3.2
   resolution: "finalhandler@npm:1.3.2"
@@ -15190,6 +15274,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"fresh@npm:^2.0.0":
+  version: 2.0.0
+  resolution: "fresh@npm:2.0.0"
+  checksum: 10c0/0557548194cb9a809a435bf92bcfbc20c89e8b5eb38861b73ced36750437251e39a111fc3a18b98531be9dd91fe1411e4969f229dc579ec0251ce6c5d4900bbc
+  languageName: node
+  linkType: hard
+
 "fresh@npm:~0.5.2":
   version: 0.5.2
   resolution: "fresh@npm:0.5.2"
@@ -16285,6 +16376,19 @@ __metadata:
   languageName: node
   linkType: hard
 
+"http-errors@npm:^2.0.0, http-errors@npm:^2.0.1, http-errors@npm:~2.0.0, http-errors@npm:~2.0.1":
+  version: 2.0.1
+  resolution: "http-errors@npm:2.0.1"
+  dependencies:
+    depd: "npm:~2.0.0"
+    inherits: "npm:~2.0.4"
+    setprototypeof: "npm:~1.2.0"
+    statuses: "npm:~2.0.2"
+    toidentifier: "npm:~1.0.1"
+  checksum: 10c0/fb38906cef4f5c83952d97661fe14dc156cb59fe54812a42cd448fa57b5c5dfcb38a40a916957737bd6b87aab257c0648d63eb5b6a9ca9f548e105b6072712d4
+  languageName: node
+  linkType: hard
+
 "http-errors@npm:~1.8.0":
   version: 1.8.1
   resolution: "http-errors@npm:1.8.1"
@@ -16298,19 +16402,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"http-errors@npm:~2.0.0, http-errors@npm:~2.0.1":
-  version: 2.0.1
-  resolution: "http-errors@npm:2.0.1"
-  dependencies:
-    depd: "npm:~2.0.0"
-    inherits: "npm:~2.0.4"
-    setprototypeof: "npm:~1.2.0"
-    statuses: "npm:~2.0.2"
-    toidentifier: "npm:~1.0.1"
-  checksum: 10c0/fb38906cef4f5c83952d97661fe14dc156cb59fe54812a42cd448fa57b5c5dfcb38a40a916957737bd6b87aab257c0648d63eb5b6a9ca9f548e105b6072712d4
-  languageName: node
-  linkType: hard
-
 "http-parser-js@npm:>=0.5.1":
   version: 0.5.10
   resolution: "http-parser-js@npm:0.5.10"
@@ -16472,7 +16563,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"iconv-lite@npm:^0.7.0, iconv-lite@npm:^0.7.2, iconv-lite@npm:^0.7.3":
+"iconv-lite@npm:^0.7.0, iconv-lite@npm:^0.7.2, iconv-lite@npm:^0.7.3, iconv-lite@npm:~0.7.0":
   version: 0.7.3
   resolution: "iconv-lite@npm:0.7.3"
   dependencies:
@@ -19454,6 +19545,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"merge-descriptors@npm:^2.0.0":
+  version: 2.0.0
+  resolution: "merge-descriptors@npm:2.0.0"
+  checksum: 10c0/95389b7ced3f9b36fbdcf32eb946dc3dd1774c2fdf164609e55b18d03aa499b12bd3aae3a76c1c7185b96279e9803525550d3eb292b5224866060a288f335cb3
+  languageName: node
+  linkType: hard
+
 "merge-stream@npm:^2.0.0":
   version: 2.0.0
   resolution: "merge-stream@npm:2.0.0"
@@ -19849,7 +19947,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"mime-types@npm:^3.0.1":
+"mime-types@npm:^3.0.0, mime-types@npm:^3.0.1, mime-types@npm:^3.0.2":
   version: 3.0.2
   resolution: "mime-types@npm:3.0.2"
   dependencies:
@@ -21221,7 +21319,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"parseurl@npm:~1.3.3":
+"parseurl@npm:^1.3.3, parseurl@npm:~1.3.3":
   version: 1.3.3
   resolution: "parseurl@npm:1.3.3"
   checksum: 10c0/90dd4760d6f6174adb9f20cf0965ae12e23879b5f5464f38e92fce8073354341e4b3b76fa3d878351efe7d01e617121955284cfd002ab087fba1a0726ec0b4f5
@@ -22322,7 +22420,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"proxy-addr@npm:~2.0.7":
+"proxy-addr@npm:^2.0.8, proxy-addr@npm:~2.0.7":
   version: 2.0.8
   resolution: "proxy-addr@npm:2.0.8"
   dependencies:
@@ -22410,6 +22508,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"qs@npm:^6.16.0":
+  version: 6.16.1
+  resolution: "qs@npm:6.16.1"
+  dependencies:
+    es-define-property: "npm:^1.0.1"
+    side-channel: "npm:^1.1.1"
+  checksum: 10c0/84ee9124b251ab2953132fbea1d70c966aa6e6496cccabedbbb83afa412bf4177bddebc779ca3ddafe23da83b2f593d530b41be6a726e971404fabb20ff22c94
+  languageName: node
+  linkType: hard
+
 "querystring-es3@npm:^0.2.1":
   version: 0.2.1
   resolution: "querystring-es3@npm:0.2.1"
@@ -22529,6 +22637,18 @@ __metadata:
   languageName: node
   linkType: hard
 
+"raw-body@npm:^3.0.2":
+  version: 3.0.2
+  resolution: "raw-body@npm:3.0.2"
+  dependencies:
+    bytes: "npm:~3.1.2"
+    http-errors: "npm:~2.0.1"
+    iconv-lite: "npm:~0.7.0"
+    unpipe: "npm:~1.0.0"
+  checksum: 10c0/d266678d08e1e7abea62c0ce5864344e980fa81c64f6b481e9842c5beaed2cdcf975f658a3ccd67ad35fc919c1f6664ccc106067801850286a6cbe101de89f29
+  languageName: node
+  linkType: hard
+
 "raw-loader@npm:^4.0.2":
   version: 4.0.2
   resolution: "raw-loader@npm:4.0.2"
@@ -23800,6 +23920,19 @@ __metadata:
   languageName: node
   linkType: hard
 
+"router@npm:^2.2.0":
+  version: 2.2.0
+  resolution: "router@npm:2.2.0"
+  dependencies:
+    debug: "npm:^4.4.0"
+    depd: "npm:^2.0.0"
+    is-promise: "npm:^4.0.0"
+    parseurl: "npm:^1.3.3"
+    path-to-regexp: "npm:^8.0.0"
+  checksum: 10c0/3279de7450c8eae2f6e095e9edacbdeec0abb5cb7249c6e719faa0db2dba43574b4fff5892d9220631c9abaff52dd3cad648cfea2aaace845e1a071915ac8867
+  languageName: node
+  linkType: hard
+
 "rtl-css-js@npm:^1.16.1":
   version: 1.16.1
   resolution: "rtl-css-js@npm:1.16.1"
@@ -24075,6 +24208,25 @@ __metadata:
   languageName: node
   linkType: hard
 
+"send@npm:^1.1.0, send@npm:^1.2.0":
+  version: 1.2.1
+  resolution: "send@npm:1.2.1"
+  dependencies:
+    debug: "npm:^4.4.3"
+    encodeurl: "npm:^2.0.0"
+    escape-html: "npm:^1.0.3"
+    etag: "npm:^1.8.1"
+    fresh: "npm:^2.0.0"
+    http-errors: "npm:^2.0.1"
+    mime-types: "npm:^3.0.2"
+    ms: "npm:^2.1.3"
+    on-finished: "npm:^2.4.1"
+    range-parser: "npm:^1.2.1"
+    statuses: "npm:^2.0.2"
+  checksum: 10c0/fbbbbdc902a913d65605274be23f3d604065cfc3ee3d78bf9fc8af1dc9fc82667c50d3d657f5e601ac657bac9b396b50ee97bd29cd55436320cf1cddebdcec72
+  languageName: node
+  linkType: hard
+
 "send@npm:~0.19.0, send@npm:~0.19.1":
   version: 0.19.2
   resolution: "send@npm:0.19.2"
@@ -24120,6 +24272,18 @@ __metadata:
   languageName: node
   linkType: hard
 
+"serve-static@npm:^2.2.0":
+  version: 2.2.1
+  resolution: "serve-static@npm:2.2.1"
+  dependencies:
+    encodeurl: "npm:^2.0.0"
+    escape-html: "npm:^1.0.3"
+    parseurl: "npm:^1.3.3"
+    send: "npm:^1.2.0"
+  checksum: 10c0/37986096e8572e2dfaad35a3925fa8da0c0969f8814fd7788e84d4d388bc068cf0c06d1658509788e55bed942a6b6d040a8a267fa92bb9ffb1179f8bacde5fd7
+  languageName: node
+  linkType: hard
+
 "serve-static@npm:~1.16.2":
   version: 1.16.3
   resolution: "serve-static@npm:1.16.3"
@@ -24662,7 +24826,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"statuses@npm:~2.0.1, statuses@npm:~2.0.2":
+"statuses@npm:^2.0.1, statuses@npm:^2.0.2, statuses@npm:~2.0.1, statuses@npm:~2.0.2":
   version: 2.0.2
   resolution: "statuses@npm:2.0.2"
   checksum: 10c0/a9947d98ad60d01f6b26727570f3bcceb6c8fa789da64fe6889908fe2e294d57503b14bf2b5af7605c2d36647259e856635cd4c49eab41667658ec9d0080ec3f
@@ -25913,6 +26077,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"type-is@npm:^2.1.0":
+  version: 2.1.0
+  resolution: "type-is@npm:2.1.0"
+  dependencies:
+    content-type: "npm:^2.0.0"
+    media-typer: "npm:^1.1.0"
+    mime-types: "npm:^3.0.0"
+  checksum: 10c0/a6018f8f509de48f2c7429305e3a920e73b374fa93127dd0877ae1c2df65a5d33907caac8afb0c37a9b9fc7c49f29e3f55d668963dc845d966930b667c07f50e
+  languageName: node
+  linkType: hard
+
 "typed-array-buffer@npm:^1.0.3":
   version: 1.0.3
   resolution: "typed-array-buffer@npm:1.0.3"
@@ -26555,7 +26730,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"vary@npm:^1, vary@npm:~1.1.2":
+"vary@npm:^1, vary@npm:^1.1.2, vary@npm:~1.1.2":
   version: 1.1.2
   resolution: "vary@npm:1.1.2"
   checksum: 10c0/f15d588d79f3675135ba783c91a4083dcd290a2a5be9fcb6514220a1634e23df116847b1cc51f66bfb0644cf9353b2abb7815ae499bab06e46dd33c1a6bf1f4f