diff --git a/pom.xml b/pom.xml
index 9f60b02..34412dd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -52,7 +52,7 @@
 
         <!-- Dependency versions -->
         <spring-boot.version>3.2.5</spring-boot.version>
-        <bouncycastle.version>1.84</bouncycastle.version>
+        <bouncycastle.version>1.85</bouncycastle.version>
         <azure.keyvault.keys.version>4.11.1</azure.keyvault.keys.version>
         <azure.identity.version>1.18.4</azure.identity.version>
         <aliyun.kms.version>2.0.0</aliyun.kms.version>