diff --git a/a2d2-api/pom.xml b/a2d2-api/pom.xml
index 52dcf5c..6e3ed70 100644
--- a/a2d2-api/pom.xml
+++ b/a2d2-api/pom.xml
@@ -299,7 +299,7 @@
 		<dependency>
 			<groupId>org.bouncycastle</groupId>
 			<artifactId>bcprov-jdk18on</artifactId>
-			<version>1.74</version>
+			<version>1.78</version>
 		</dependency>
 		<dependency>
 			<groupId>junit</groupId>