diff --git a/library/build.gradle b/library/build.gradle
index df132b630a..6c4075f2c4 100644
--- a/library/build.gradle
+++ b/library/build.gradle
@@ -71,7 +71,7 @@ dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
     implementation 'com.google.guava:guava:28.2-android'
 
-    implementation 'org.bouncycastle:bcpkix-jdk18on:1.75'
+    implementation 'org.bouncycastle:bcpkix-jdk18on:1.77'
 
     spotbugsPlugins 'com.h3xstream.findsecbugs:findsecbugs-plugin:1.13.0'
     spotbugsPlugins 'com.mebigfatguy.sb-contrib:sb-contrib:7.6.4'