diff --git a/p2-maven-plugin/pom.xml b/p2-maven-plugin/pom.xml
index 6c06195fac..e285db0477 100644
--- a/p2-maven-plugin/pom.xml
+++ b/p2-maven-plugin/pom.xml
@@ -191,7 +191,7 @@
 		<dependency>
 			<groupId>org.bouncycastle</groupId>
 			<artifactId>bcpg-jdk18on</artifactId>
-			<version>1.77</version>
+			<version>1.78.1</version>
 		</dependency>
 		<dependency>
 			<groupId>org.bouncycastle</groupId>
diff --git a/tycho-p2-repository-plugin/pom.xml b/tycho-p2-repository-plugin/pom.xml
index 5a132348b9..98a69c7336 100644
--- a/tycho-p2-repository-plugin/pom.xml
+++ b/tycho-p2-repository-plugin/pom.xml
@@ -44,7 +44,7 @@
 		<dependency>
 			<groupId>org.bouncycastle</groupId>
 			<artifactId>bcpg-jdk18on</artifactId>
-			<version>1.77</version>
+			<version>1.78.1</version>
 		</dependency>
 		<dependency>
 			<groupId>org.eclipse.tycho</groupId>