diff --git a/lib/build.gradle b/lib/build.gradle
index d260f3eb..66c204cc 100644
--- a/lib/build.gradle
+++ b/lib/build.gradle
@@ -128,8 +128,8 @@ javadoc {
 }
 
 dependencies {
-    implementation 'com.fasterxml.jackson.core:jackson-core:2.21.2'
-    implementation 'com.fasterxml.jackson.core:jackson-databind:2.21.2'
+    implementation 'com.fasterxml.jackson.core:jackson-core:2.21.3'
+    implementation 'com.fasterxml.jackson.core:jackson-databind:2.21.3'
 
     testImplementation 'org.bouncycastle:bcprov-jdk15on:1.70'
     testImplementation 'junit:junit:4.13.2'