diff --git a/core/build.gradle b/core/build.gradle
index 78b5412c2fe..37b687d9020 100644
--- a/core/build.gradle
+++ b/core/build.gradle
@@ -68,5 +68,5 @@ dependencies {
 
     testImplementation "org.testcontainers:testcontainers:1.20.4"
     testImplementation "org.testcontainers:junit-jupiter:1.20.4"
-    testImplementation "org.bouncycastle:bcpkix-jdk18on:1.78.1"
+    testImplementation "org.bouncycastle:bcpkix-jdk18on:1.80"
 }
diff --git a/platform/build.gradle b/platform/build.gradle
index b49fbf3862c..10363effc77 100644
--- a/platform/build.gradle
+++ b/platform/build.gradle
@@ -14,7 +14,7 @@ dependencies {
     // versions for libraries with multiple module but no BOM
     def slf4jVersion = "2.0.16"
     def protobufVersion = "3.25.5"
-    def bouncycastleVersion = "1.79"
+    def bouncycastleVersion = "1.80"
     def aetherVersion = "1.1.0"
     def jollydayVersion = "0.32.0"
     def jsonschemaVersion = "4.37.0"