diff --git a/backend/node/package-lock.json b/backend/node/package-lock.json
index 5481d9e..0ef6202 100644
--- a/backend/node/package-lock.json
+++ b/backend/node/package-lock.json
@@ -6,7 +6,7 @@
     "": {
       "name": "sumup-examples-node",
       "dependencies": {
-        "@sumup/sdk": "^0.1.4",
+        "@sumup/sdk": "^0.1.5",
         "express": "^5.2.1"
       },
       "devDependencies": {
@@ -177,9 +177,9 @@
       }
     },
     "node_modules/@sumup/sdk": {
-      "version": "0.1.4",
-      "resolved": "https://registry.npmjs.org/@sumup/sdk/-/sdk-0.1.4.tgz",
-      "integrity": "sha512-Y1xxnnpEu7yvBhA1Rq3OGQZLpXqgonXSXKCR4W1HoHP0PjOVH/hT3b1uH4G8dI5vx2yL/dBfUrRZ0wR+0L93eA==",
+      "version": "0.1.5",
+      "resolved": "https://registry.npmjs.org/@sumup/sdk/-/sdk-0.1.5.tgz",
+      "integrity": "sha512-3Hf1evVt5/3PnCKnfkCStzlB5taFdjtFritATsZaDZLIniRHWopk/Jk9fjkk/lWblYbYHwK6OJjNq0gTMpcf8g==",
       "license": "Apache-2.0",
       "engines": {
         "node": ">=18"
diff --git a/backend/node/package.json b/backend/node/package.json
index ac7aa0e..11ff0f0 100644
--- a/backend/node/package.json
+++ b/backend/node/package.json
@@ -8,7 +8,7 @@
     "lint:fix": "biome check --write"
   },
   "dependencies": {
-    "@sumup/sdk": "^0.1.4",
+    "@sumup/sdk": "^0.1.5",
     "express": "^5.2.1"
   },
   "devDependencies": {