diff --git a/calendarviewpager/build.gradle b/calendarviewpager/build.gradle
index 1019da7..f954c1f 100644
--- a/calendarviewpager/build.gradle
+++ b/calendarviewpager/build.gradle
@@ -37,7 +37,7 @@ dependencies {
     implementation 'androidx.viewpager2:viewpager2:1.0.0'
     implementation 'org.apache.commons:commons-lang3:3.10'
     testImplementation 'junit:junit:4.13.2'
-    androidTestImplementation 'androidx.test:runner:1.3.0'
+    androidTestImplementation 'androidx.test:runner:1.4.0'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
 }
 
diff --git a/sample/build.gradle b/sample/build.gradle
index 4a32f99..a380216 100644
--- a/sample/build.gradle
+++ b/sample/build.gradle
@@ -30,6 +30,6 @@ dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     implementation 'androidx.appcompat:appcompat:1.2.0'
     testImplementation 'junit:junit:4.13.2'
-    androidTestImplementation 'androidx.test:runner:1.3.0'
+    androidTestImplementation 'androidx.test:runner:1.4.0'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
 }