diff --git a/utilities/tcp_android_client/build.gradle b/utilities/tcp_android_client/build.gradle
index 12c1648..de92ac5 100644
--- a/utilities/tcp_android_client/build.gradle
+++ b/utilities/tcp_android_client/build.gradle
@@ -56,7 +56,7 @@ android {
 }
 
 dependencies {
-    implementation "androidx.appcompat:appcompat:1.4.1"
+    implementation "androidx.appcompat:appcompat:1.5.1"
     implementation "com.google.android.material:material:${materialVersion}"
     implementation "androidx.constraintlayout:constraintlayout:${constraintLayoutVersion}"
     implementation project(path: ':utilities:tcp_binary_echo_server')