diff --git a/library/build.gradle b/library/build.gradle
index 8d59fee1..41ffcb3d 100644
--- a/library/build.gradle
+++ b/library/build.gradle
@@ -97,9 +97,9 @@ tasks.withType(Test) {
 }
 
 dependencies {
-    api "org.bouncycastle:bcprov-jdk15to18:1.83"
-    api "org.bouncycastle:bcpkix-jdk15to18:1.83"
-    api "org.bouncycastle:bcutil-jdk15to18:1.83"
+    api "org.bouncycastle:bcprov-jdk15to18:1.84"
+    api "org.bouncycastle:bcpkix-jdk15to18:1.84"
+    api "org.bouncycastle:bcutil-jdk15to18:1.84"
     // for jpeg2000 decode/encode
     implementation 'com.github.ainceborn:JP2ForAndroid:1.0.3.1'