diff --git a/calendarviewpager/build.gradle b/calendarviewpager/build.gradle
index 1019da7..1707042 100644
--- a/calendarviewpager/build.gradle
+++ b/calendarviewpager/build.gradle
@@ -35,7 +35,7 @@ dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
     implementation 'androidx.recyclerview:recyclerview:1.1.0'
     implementation 'androidx.viewpager2:viewpager2:1.0.0'
-    implementation 'org.apache.commons:commons-lang3:3.10'
+    implementation 'org.apache.commons:commons-lang3:3.12.0'
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test:runner:1.3.0'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'