diff --git a/.github/workflows/pull-request-ci.yml b/.github/workflows/pull-request-ci.yml
index d390446..8a64e57 100644
--- a/.github/workflows/pull-request-ci.yml
+++ b/.github/workflows/pull-request-ci.yml
@@ -35,7 +35,7 @@ jobs:
       - name: Build debug APK
         run: bash ./gradlew :line-sdk:assembleDebug --stacktrace
       - name: Upload APK
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: line-sdk
           path: line-sdk/build/outputs/aar/line-sdk-*-debug.aar
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 4bb17b3..dd6cae3 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -51,7 +51,7 @@ android {
 }
 
 dependencies {
-    implementation("com.linecorp.linesdk:linesdk:5.11.0")
+    implementation("com.linecorp.linesdk:linesdk:5.11.1")
     implementation("androidx.core:core-ktx:1.9.0")
     implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.5.1")
     implementation("androidx.lifecycle:lifecycle-viewmodel-compose:2.5.1")
diff --git a/line-sdk/build.gradle b/line-sdk/build.gradle
index e0e53ef..5a83d9d 100644
--- a/line-sdk/build.gradle
+++ b/line-sdk/build.gradle
@@ -7,7 +7,7 @@ apply plugin: 'maven-publish'
 apply plugin: 'signing'
 
 group = "com.linecorp.linesdk"
-version = "5.11.0"
+version = "5.11.1"
 
 android {
     compileSdk 33
@@ -15,7 +15,7 @@ android {
     defaultConfig {
         minSdkVersion 24
         targetSdkVersion 33
-        versionCode 5_11_00
+        versionCode 5_11_01
         versionName version
 
         consumerProguardFiles 'consumer-proguard-rules.pro'
diff --git a/line-sdk/consumer-proguard-rules.pro b/line-sdk/consumer-proguard-rules.pro
index eaedc2c..e94df91 100644
--- a/line-sdk/consumer-proguard-rules.pro
+++ b/line-sdk/consumer-proguard-rules.pro
@@ -27,6 +27,11 @@
 -dontwarn org.spongycastle.jce.provider.X509LDAPCertStoreSpi
 -dontwarn org.spongycastle.x509.util.LDAPStoreHelper
 
+# Ignore warnings about the missing BR class from the LINE SDK.
+# The BR class is generated by Android Data Binding and is only present during the library's own build process.
+# It is not included in the published AAR, so references to com.linecorp.linesdk.BR are safe to ignore.
+-dontwarn com.linecorp.linesdk.BR
+
 # start for jjwt library
 -keep class io.jsonwebtoken.** { *; }