diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 2e4af02..16538a9 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -4,7 +4,7 @@ springBoot = "3.5.16"
 springCloud = "2025.0.0"   # release train aligned with Boot 3.5.x
 java = "21"
 
-bouncycastle = "1.82"
+bouncycastle = "1.85"
 springdoc = "2.8.17"
 resilience4j = "2.4.0"
 kotlinLogging = "7.0.3"