diff --git a/build.gradle b/build.gradle
index 38adb023..399825c3 100644
--- a/build.gradle
+++ b/build.gradle
@@ -19,7 +19,7 @@ ext {
     logbackVersion = "1.5.7"
     imageioVersion = "3.12.0"
     lombokVersion = "1.18.36"
-    bouncycastleVersion = "1.79"
+    bouncycastleVersion = "1.80"
     springSecuritySamlVersion = "6.4.2"
     openSamlVersion = "4.3.2"
 }