diff --git a/hawkbit-sdk/pom.xml b/hawkbit-sdk/pom.xml
index 555dcd586..40eb0abbc 100644
--- a/hawkbit-sdk/pom.xml
+++ b/hawkbit-sdk/pom.xml
@@ -26,7 +26,7 @@
     <properties>
         <java.version>${java.client.version}</java.version>
 
-        <bouncycastle.version>1.83</bouncycastle.version>
+        <bouncycastle.version>1.84</bouncycastle.version>
     </properties>
 
     <modules>