diff --git a/backend/node/package-lock.json b/backend/node/package-lock.json
index 8346b1a..f7976af 100644
--- a/backend/node/package-lock.json
+++ b/backend/node/package-lock.json
@@ -6,7 +6,7 @@
     "": {
       "name": "sumup-examples-node",
       "dependencies": {
-        "@sumup/sdk": "^0.1.6",
+        "@sumup/sdk": "^0.1.8",
         "express": "^5.2.1"
       },
       "devDependencies": {
@@ -189,9 +189,9 @@
       }
     },
     "node_modules/@sumup/sdk": {
-      "version": "0.1.6",
-      "resolved": "https://registry.npmjs.org/@sumup/sdk/-/sdk-0.1.6.tgz",
-      "integrity": "sha512-7uCcP2vTz9FOcmGl8mTXe6V83AdwbGNQiVUuK7c2Ezh7JLpuNK2vZcch/9YD7cuM7Ge6Spbb8OBMCo6LzKUtzA==",
+      "version": "0.1.8",
+      "resolved": "https://registry.npmjs.org/@sumup/sdk/-/sdk-0.1.8.tgz",
+      "integrity": "sha512-f4QjASvqExp0NicCXgkP0tzsH5Wb8Kig+/Uk2VvKfezMlq5m/Q8MIAQ2kuWAzPbk5QwO5WT66hVNvmrFzDyzbw==",
       "license": "Apache-2.0",
       "engines": {
         "node": ">=18"
diff --git a/backend/node/package.json b/backend/node/package.json
index 463c0b7..b8629e4 100644
--- a/backend/node/package.json
+++ b/backend/node/package.json
@@ -8,7 +8,7 @@
     "lint:fix": "biome check --write"
   },
   "dependencies": {
-    "@sumup/sdk": "^0.1.6",
+    "@sumup/sdk": "^0.1.8",
     "express": "^5.2.1"
   },
   "devDependencies": {