diff --git a/app/build.gradle b/app/build.gradle
index ea613680a..4fba9bf48 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -85,7 +85,7 @@ dependencies {
     testImplementation "com.google.code.gson:gson:2.8.6"
 
     implementation fileTree(dir: "libs", include: ["*.jar"])
-    implementation "androidx.appcompat:appcompat:1.4.0"
+    implementation "androidx.appcompat:appcompat:1.3.1"
     implementation "androidx.preference:preference:1.1.1"
     implementation "androidx.cardview:cardview:1.0.0"
     implementation "androidx.recyclerview:recyclerview:1.2.1"