diff --git a/build.gradle.kts b/build.gradle.kts
index 677b9e35d..da1ee70b1 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -67,6 +67,7 @@ tasks {
         from({
             configurations.runtimeClasspath.get().filter { it.name.endsWith("jar") }.map { zipTree(it) }
         })
+        exclude("META-INF/*.SF", "META-INF/*.DSA", "META-INF/*.RSA") // exclude signature files in org.bouncycastle:bcprov-jdk18on
     }
 
     javadoc {