diff --git a/backend/pom.xml b/backend/pom.xml
index ee3fd6d47..66527c9e9 100644
--- a/backend/pom.xml
+++ b/backend/pom.xml
@@ -38,7 +38,7 @@
         <checkstyle.version>14.3.0</checkstyle.version>
         <!-- External secret stores (AF-448). -->
         <spring-vault.version>4.1.0</spring-vault.version>
-        <awssdk.version>2.55.14</awssdk.version>
+        <awssdk.version>2.56.0</awssdk.version>
         <azure-sdk-bom.version>1.3.9</azure-sdk-bom.version>
         <!-- Repo-root connector catalog (issue #334), bundled onto the classpath as connectors/**.
              Local/CI builds run from backend/ so the default resolves to the sibling folder; the