diff --git a/api.planx.uk/package.json b/api.planx.uk/package.json
index fbaa27e956..aeffd9b9fe 100644
--- a/api.planx.uk/package.json
+++ b/api.planx.uk/package.json
@@ -13,7 +13,7 @@
     "@airbrake/node": "^2.1.8",
     "@aws-sdk/client-s3": "^3.696.0",
     "@aws-sdk/s3-request-presigner": "^3.701.0",
-    "@opensystemslab/planx-core": "git+https://github.com/theopensystemslab/planx-core#dc2386b",
+    "@opensystemslab/planx-core": "git+https://github.com/theopensystemslab/planx-core#e126742",
     "@types/isomorphic-fetch": "^0.0.36",
     "adm-zip": "^0.5.10",
     "axios": "^1.7.4",
diff --git a/api.planx.uk/pnpm-lock.yaml b/api.planx.uk/pnpm-lock.yaml
index b93fb608a4..a067d968d3 100644
--- a/api.planx.uk/pnpm-lock.yaml
+++ b/api.planx.uk/pnpm-lock.yaml
@@ -21,8 +21,8 @@ dependencies:
     specifier: ^3.701.0
     version: 3.701.0
   '@opensystemslab/planx-core':
-    specifier: git+https://github.com/theopensystemslab/planx-core#dc2386b
-    version: github.com/theopensystemslab/planx-core/dc2386b
+    specifier: git+https://github.com/theopensystemslab/planx-core#e126742
+    version: github.com/theopensystemslab/planx-core/e126742
   '@types/isomorphic-fetch':
     specifier: ^0.0.36
     version: 0.0.36
@@ -7312,8 +7312,8 @@ packages:
     resolution: {integrity: sha512-muH7gBL9sI1nciMZV67X5fTKKBLtwpZ5VBp1vsOQzj1MhrBZ4wlVCm3gedKZWLp0Oyel8sIGfeiz54Su+OVT+A==}
     dev: false
 
-  github.com/theopensystemslab/planx-core/dc2386b:
-    resolution: {tarball: https://codeload.github.com/theopensystemslab/planx-core/tar.gz/dc2386b}
+  github.com/theopensystemslab/planx-core/e126742:
+    resolution: {tarball: https://codeload.github.com/theopensystemslab/planx-core/tar.gz/e126742}
     name: '@opensystemslab/planx-core'
     version: 1.0.0
     prepare: true
diff --git a/e2e/tests/api-driven/package.json b/e2e/tests/api-driven/package.json
index 8951917c2b..12660ecbdd 100644
--- a/e2e/tests/api-driven/package.json
+++ b/e2e/tests/api-driven/package.json
@@ -8,7 +8,7 @@
   "packageManager": "pnpm@8.6.6",
   "dependencies": {
     "@cucumber/cucumber": "^11.1.1",
-    "@opensystemslab/planx-core": "git+https://github.com/theopensystemslab/planx-core#dc2386b",
+    "@opensystemslab/planx-core": "git+https://github.com/theopensystemslab/planx-core#e126742",
     "axios": "^1.7.4",
     "dotenv": "^16.3.1",
     "dotenv-expand": "^10.0.0",
diff --git a/e2e/tests/api-driven/pnpm-lock.yaml b/e2e/tests/api-driven/pnpm-lock.yaml
index 744e199a2e..8e5f96a167 100644
--- a/e2e/tests/api-driven/pnpm-lock.yaml
+++ b/e2e/tests/api-driven/pnpm-lock.yaml
@@ -9,8 +9,8 @@ dependencies:
     specifier: ^11.1.1
     version: 11.1.1
   '@opensystemslab/planx-core':
-    specifier: git+https://github.com/theopensystemslab/planx-core#dc2386b
-    version: github.com/theopensystemslab/planx-core/dc2386b
+    specifier: git+https://github.com/theopensystemslab/planx-core#e126742
+    version: github.com/theopensystemslab/planx-core/e126742
   axios:
     specifier: ^1.7.4
     version: 1.7.4
@@ -1137,7 +1137,7 @@ packages:
     dev: false
 
   /concat-map@0.0.1:
-    resolution: {integrity: sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg==}
+    resolution: {integrity: sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=}
     dev: false
 
   /convert-source-map@1.9.0:
@@ -3047,8 +3047,8 @@ packages:
     resolution: {integrity: sha512-muH7gBL9sI1nciMZV67X5fTKKBLtwpZ5VBp1vsOQzj1MhrBZ4wlVCm3gedKZWLp0Oyel8sIGfeiz54Su+OVT+A==}
     dev: false
 
-  github.com/theopensystemslab/planx-core/dc2386b:
-    resolution: {tarball: https://codeload.github.com/theopensystemslab/planx-core/tar.gz/dc2386b}
+  github.com/theopensystemslab/planx-core/e126742:
+    resolution: {tarball: https://codeload.github.com/theopensystemslab/planx-core/tar.gz/e126742}
     name: '@opensystemslab/planx-core'
     version: 1.0.0
     prepare: true
diff --git a/e2e/tests/ui-driven/package.json b/e2e/tests/ui-driven/package.json
index 7cdbef8d36..37b0a69f82 100644
--- a/e2e/tests/ui-driven/package.json
+++ b/e2e/tests/ui-driven/package.json
@@ -9,7 +9,7 @@
   },
   "type": "module",
   "dependencies": {
-    "@opensystemslab/planx-core": "git+https://github.com/theopensystemslab/planx-core#dc2386b",
+    "@opensystemslab/planx-core": "git+https://github.com/theopensystemslab/planx-core#e126742",
     "axios": "^1.7.4",
     "dotenv": "^16.3.1",
     "eslint": "^8.56.0",
diff --git a/e2e/tests/ui-driven/pnpm-lock.yaml b/e2e/tests/ui-driven/pnpm-lock.yaml
index 5911f8eb33..dfb3f4979b 100644
--- a/e2e/tests/ui-driven/pnpm-lock.yaml
+++ b/e2e/tests/ui-driven/pnpm-lock.yaml
@@ -6,8 +6,8 @@ settings:
 
 dependencies:
   '@opensystemslab/planx-core':
-    specifier: git+https://github.com/theopensystemslab/planx-core#dc2386b
-    version: github.com/theopensystemslab/planx-core/dc2386b
+    specifier: git+https://github.com/theopensystemslab/planx-core#e126742
+    version: github.com/theopensystemslab/planx-core/e126742
   axios:
     specifier: ^1.7.4
     version: 1.7.4
@@ -2601,8 +2601,8 @@ packages:
     resolution: {integrity: sha512-muH7gBL9sI1nciMZV67X5fTKKBLtwpZ5VBp1vsOQzj1MhrBZ4wlVCm3gedKZWLp0Oyel8sIGfeiz54Su+OVT+A==}
     dev: false
 
-  github.com/theopensystemslab/planx-core/dc2386b:
-    resolution: {tarball: https://codeload.github.com/theopensystemslab/planx-core/tar.gz/dc2386b}
+  github.com/theopensystemslab/planx-core/e126742:
+    resolution: {tarball: https://codeload.github.com/theopensystemslab/planx-core/tar.gz/e126742}
     name: '@opensystemslab/planx-core'
     version: 1.0.0
     prepare: true