diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 547e1f1c..3cf70b69 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -3,7 +3,7 @@ on:
   push:
     tags:
       - 'v*'
-    
+
 jobs:
   Build:
     name: Build/Sign APK
@@ -17,7 +17,12 @@ jobs:
           BUILD_TOOL_VERSION=$(ls /usr/local/lib/android/sdk/build-tools/ | tail -n 1)
           echo "BUILD_TOOL_VERSION=$BUILD_TOOL_VERSION" >> $GITHUB_ENV
           echo Last build tool version is: $BUILD_TOOL_VERSION
-        
+
+      - name: Access GOOGLE_API_KEY
+        env:
+          GOOGLE_API_KEY: $
+        run: echo GOOGLE_API_KEY=\"$GOOGLE_API_KEY\" >> ./local.properties
+
       - name: set up JDK 17
         uses: actions/setup-java@v3
         with:
@@ -65,7 +70,7 @@ jobs:
           keyPassword: ${{ secrets.KEY_PASSWORD }}
         env:
           BUILD_TOOLS_VERSION: ${{ env.BUILD_TOOL_VERSION }}
-          
+
       - name: Make artifact
         uses: actions/upload-artifact@v2
         with:
diff --git a/app/build.gradle b/app/build.gradle
index 3e9359bd..2d4f9bdf 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -8,6 +8,17 @@ plugins {
 
 apply plugin: 'com.mikepenz.aboutlibraries.plugin'
 
+String getGoogleApiKey() {
+    def propFile = rootProject.file("./local.properties")
+    def properties = new Properties()
+    if (propFile.exists()) {
+        properties.load(new FileInputStream(propFile))
+        return properties.getProperty('GOOGLE_API_KEY', "null")
+    } else {
+        return "null"
+    }
+}
+
 android {
     namespace 'com.starry.myne'
     compileSdk 34
@@ -27,6 +38,8 @@ android {
         ksp {
             arg('room.schemaLocation', "$projectDir/schemas")
         }
+
+        buildConfigField("String", "GOOGLE_API_KEY", getGoogleApiKey())
     }
 
     buildTypes {
@@ -85,7 +98,7 @@ dependencies {
     implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.7.0'
     implementation 'androidx.activity:activity-compose:1.8.2'
     implementation "androidx.lifecycle:lifecycle-viewmodel-compose:2.7.0"
-    implementation "androidx.navigation:navigation-compose:2.7.6"
+    implementation "androidx.navigation:navigation-compose:2.7.7"
     // Jetpack compose.
     implementation "androidx.compose.ui:ui"
     implementation "androidx.compose.ui:ui-tooling-preview"
diff --git a/app/src/main/java/com/starry/myne/repo/BookRepository.kt b/app/src/main/java/com/starry/myne/repo/BookRepository.kt
index 1aa88df6..43a4bb9e 100644
--- a/app/src/main/java/com/starry/myne/repo/BookRepository.kt
+++ b/app/src/main/java/com/starry/myne/repo/BookRepository.kt
@@ -17,6 +17,7 @@
 package com.starry.myne.repo
 
 import com.google.gson.Gson
+import com.starry.myne.BuildConfig
 import com.starry.myne.repo.models.BookSet
 import com.starry.myne.repo.models.ExtraInfo
 import com.starry.myne.utils.book.BookLanguage
@@ -41,7 +42,9 @@ class BookRepository {
 
     private val baseApiUrl = "https://myne.pooloftears.xyz/books"
     private val googleBooksUrl = "https://www.googleapis.com/books/v1/volumes"
-    private val googleApiKey = "AIzaSyBCaXx-U0sbEpGVPWylSggC4RaR4gCGkVE"
+    private val googleApiKey =
+        BuildConfig.GOOGLE_API_KEY ?: "AIzaSyBCaXx-U0sbEpGVPWylSggC4RaR4gCGkVE" // Backup API key
+
 
     private val okHttpClient = OkHttpClient.Builder()
         .connectTimeout(60, TimeUnit.SECONDS)