diff --git a/fakewallet/build.gradle b/fakewallet/build.gradle
index f1b3b46..f21e4f5 100644
--- a/fakewallet/build.gradle
+++ b/fakewallet/build.gradle
@@ -54,7 +54,7 @@ dependencies {
     implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.7.0'
     implementation 'androidx.recyclerview:recyclerview:1.3.2'
     implementation 'com.google.android.material:material:1.11.0'
-    implementation 'org.bouncycastle:bcprov-jdk18on:1.77'
+    implementation 'org.bouncycastle:bcprov-jdk18on:1.78'
     implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.8.0'
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.5'