diff --git a/pom.xml b/pom.xml
index 0f31b323..b506e273 100644
--- a/pom.xml
+++ b/pom.xml
@@ -30,7 +30,7 @@
     <properties>
         <grpc.version>1.61.1</grpc.version>
         <protobuf.version>3.25.3</protobuf.version> <!-- Must match version used by grpc-protobuf -->
-        <bouncycastle.version>1.77</bouncycastle.version>
+        <bouncycastle.version>1.78</bouncycastle.version>
         <httpclient.version>4.5.14</httpclient.version>
         <javadoc.version>3.6.3</javadoc.version>
         <skipITs>true</skipITs>