diff --git a/support/cas-server-support-radius-core/build.gradle b/support/cas-server-support-radius-core/build.gradle
index ed3b1c67a501..6a0869836fc7 100644
--- a/support/cas-server-support-radius-core/build.gradle
+++ b/support/cas-server-support-radius-core/build.gradle
@@ -9,7 +9,7 @@ def dependencyUpdates = gradle.startParameter.taskNames.any {task -> task.equals
 if (!dependencyUpdates) {
     ["runtimeClasspath", "testRuntimeClasspath"].forEach(name -> {
         def cfg = configurations.findByName(name)
-        cfg.resolutionStrategy.force "org.bouncycastle:bcprov-jdk15on:1.63"
+        cfg.resolutionStrategy.force "org.bouncycastle:bcprov-jdk15on:1.70"
     })
 }
 
diff --git a/support/cas-server-support-radius-mfa/build.gradle b/support/cas-server-support-radius-mfa/build.gradle
index 377ab4bf41e6..e33fc0e781af 100644
--- a/support/cas-server-support-radius-mfa/build.gradle
+++ b/support/cas-server-support-radius-mfa/build.gradle
@@ -7,7 +7,7 @@ def dependencyUpdates = gradle.startParameter.taskNames.any {task -> task.equals
 if (!dependencyUpdates) {
     ["runtimeClasspath", "testRuntimeClasspath"].forEach(name -> {
         def cfg = configurations.findByName(name)
-        cfg.resolutionStrategy.force "org.bouncycastle:bcprov-jdk15on:1.63"
+        cfg.resolutionStrategy.force "org.bouncycastle:bcprov-jdk15on:1.70"
     })
 }
 
diff --git a/support/cas-server-support-radius/build.gradle b/support/cas-server-support-radius/build.gradle
index 39c5127cf43c..1cc11bebb497 100644
--- a/support/cas-server-support-radius/build.gradle
+++ b/support/cas-server-support-radius/build.gradle
@@ -7,7 +7,7 @@ def dependencyUpdates = gradle.startParameter.taskNames.any {task -> task.equals
 if (!dependencyUpdates) {
     ["runtimeClasspath", "testRuntimeClasspath"].forEach(name -> {
         def cfg = configurations.findByName(name)
-        cfg.resolutionStrategy.force "org.bouncycastle:bcprov-jdk15on:1.63"
+        cfg.resolutionStrategy.force "org.bouncycastle:bcprov-jdk15on:1.70"
     })
 }