diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index e26e6de..abbd71c 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -88,4 +88,7 @@ dependencies {
     // コルーチン関連の追加
     implementation(libs.kotlinx.coroutines.core)
     implementation(libs.kotlinx.coroutines.android)
+
+    //パーミッションチェック関連
+    implementation (libs.accompanist.permissions)
 }
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index d625210..bca1546 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -12,6 +12,8 @@
 
     <uses-permission android:name="android.permission.VIBRATE" />
 
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+
     <application
         android:name=".TrainAlertApplication"
         android:allowBackup="true"
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index edea1c9..b6d51f6 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,4 +1,5 @@
 [versions]
+accompanistPermissions = "0.36.0"
 agp = "8.5.2"
 kotlin = "2.0.20"
 coreKtx = "1.13.1"
@@ -21,6 +22,7 @@ secretsGradlePlugin = "2.0.1"
 runtimeLivedata = "1.7.4"
 
 [libraries]
+accompanist-permissions = { module = "com.google.accompanist:accompanist-permissions", version.ref = "accompanistPermissions" }
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
 androidx-lifecycle-viewmodel-compose = { module = "androidx.lifecycle:lifecycle-viewmodel-compose", version.ref = "lifecycleRuntimeKtx" }
 androidx-material-icons-extended = { module = "androidx.compose.material:material-icons-extended", version.ref = "materialIconsExtended" }