diff --git a/testideas-blockchain/pom.xml b/testideas-blockchain/pom.xml
index 4b3f3c2..433405c 100644
--- a/testideas-blockchain/pom.xml
+++ b/testideas-blockchain/pom.xml
@@ -20,7 +20,7 @@
 		<dependency>
 			<groupId>org.bouncycastle</groupId>
 			<artifactId>bcprov-jdk15to18</artifactId>
-			<version>1.78</version>
+			<version>1.84</version>
 		</dependency>
 	</dependencies>