diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index b0a35a50f9a..822a6b06625 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -6,7 +6,7 @@ apacheCommonsPool2 = "2.11.1"
 assertj = "3.24.2"
 atomikos = "6.0.0"
 awaitility = "4.2.0"
-bouncyCastle-jdk18on = "1.75"
+bouncyCastle-jdk18on = "1.78"
 cloudEvents = "2.5.0"
 edc = "0.1.4-SNAPSHOT"
 failsafe = "3.3.2"