diff --git a/calendarviewpager/build.gradle b/calendarviewpager/build.gradle
index 1019da7..d034342 100644
--- a/calendarviewpager/build.gradle
+++ b/calendarviewpager/build.gradle
@@ -38,7 +38,7 @@ dependencies {
     implementation 'org.apache.commons:commons-lang3:3.10'
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test:runner:1.3.0'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
 }
 
 bintray {
diff --git a/sample/build.gradle b/sample/build.gradle
index 4a32f99..4adbcfa 100644
--- a/sample/build.gradle
+++ b/sample/build.gradle
@@ -31,5 +31,5 @@ dependencies {
     implementation 'androidx.appcompat:appcompat:1.2.0'
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test:runner:1.3.0'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
 }