diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index b2cc55b75b98..bdf41613e05c 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -7,7 +7,7 @@ de-mannodermaus-junit5 = "1.4.0"
 graalvm = "22.3.2"
 kotlinx-serialization = "1.6.3"
 mockserverClient = "5.15.0"
-org-bouncycastle = "1.76"
+org-bouncycastle = "1.78"
 org-conscrypt = "2.5.2"
 org-jetbrains-coroutines = "1.8.0"
 org-jetbrains-kotlin = "1.9.23"