diff --git a/hiero-dependency-versions/build.gradle.kts b/hiero-dependency-versions/build.gradle.kts
index c07bc7924ca..6ed05f9e3f2 100644
--- a/hiero-dependency-versions/build.gradle.kts
+++ b/hiero-dependency-versions/build.gradle.kts
@@ -32,7 +32,7 @@ dependencies {
 
 val autoService = "1.1.1"
 val besu = "24.3.3"
-val bouncycastle = "1.79"
+val bouncycastle = "1.80"
 val dagger = "2.55"
 val eclipseCollections = "11.1.0"
 val grpc = "1.70.0"