diff --git a/pom.xml b/pom.xml
index 9583b54b..db6d891f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -97,7 +97,7 @@
         <dependency>
             <groupId>org.bouncycastle</groupId>
             <artifactId>bcprov-jdk18on</artifactId>
-            <version>1.77</version>
+            <version>1.81</version>
         </dependency>
         <dependency>
             <groupId>com.google.protobuf</groupId>