diff --git a/build.gradle.kts b/build.gradle.kts
index 7c4ff08..ba4f9fa 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -13,7 +13,7 @@ buildscript {
             force(
                 "com.google.protobuf:protobuf-java:3.25.9",
                 "com.google.protobuf:protobuf-kotlin:3.25.9",
-                "org.bouncycastle:bcpg-jdk18on:1.84",
+                "org.bouncycastle:bcpg-jdk18on:1.85",
                 "org.bitbucket.b_c:jose4j:0.9.6",
                 "org.jdom:jdom2:2.0.6.1",
             )