diff --git a/samples/app/build.gradle b/samples/app/build.gradle
index 219d67a..1fe5363 100644
--- a/samples/app/build.gradle
+++ b/samples/app/build.gradle
@@ -39,7 +39,7 @@ dependencies {
     implementation project(':samples:cart')
     implementation project(':samples:product')
 
-    implementation('androidx.appcompat:appcompat:1.3.1')
+    implementation('androidx.appcompat:appcompat:1.4.1')
 
     /* UI Test */
     final espressoVersion = '3.4.0'
diff --git a/samples/approuter/build.gradle b/samples/approuter/build.gradle
index 1777a63..3c63490 100644
--- a/samples/approuter/build.gradle
+++ b/samples/approuter/build.gradle
@@ -26,7 +26,7 @@ android {
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    implementation 'androidx.appcompat:appcompat:1.3.1'
+    implementation 'androidx.appcompat:appcompat:1.4.1'
     implementation 'androidx.core:core-ktx:1.6.0'
 
     // Router deps
diff --git a/samples/cart/build.gradle b/samples/cart/build.gradle
index 035c67c..fc724b1 100644
--- a/samples/cart/build.gradle
+++ b/samples/cart/build.gradle
@@ -26,7 +26,7 @@ android {
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    implementation 'androidx.appcompat:appcompat:1.3.1'
+    implementation 'androidx.appcompat:appcompat:1.4.1'
     implementation 'androidx.core:core-ktx:1.6.0'
     implementation project(':samples:approuter')
 
diff --git a/samples/product/build.gradle b/samples/product/build.gradle
index 6ad3d1b..83ca591 100644
--- a/samples/product/build.gradle
+++ b/samples/product/build.gradle
@@ -33,7 +33,7 @@ android {
     dependencies {
         implementation fileTree(dir: 'libs', include: ['*.jar'])
         implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-        implementation 'androidx.appcompat:appcompat:1.3.1'
+        implementation 'androidx.appcompat:appcompat:1.4.1'
         implementation 'androidx.core:core-ktx:1.6.0'
         implementation project(':samples:approuter')