diff --git a/app/build.gradle b/app/build.gradle
index 79fc83d37..eb6f5c36b 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -149,15 +149,15 @@ dependencies {
     if (findProject(':sdk') != null) {
         implementation project(path: ':sdk')
     } else {
-        implementation 'com.tencent.iot.explorer:explorer-link-android:+'
+        implementation 'com.tencent.iot.explorer:explorer-link-android:1.0.0'
     }
 
-    implementation 'com.google.firebase:firebase-analytics-ktx:17.4.3'
+    implementation 'com.google.firebase:firebase-analytics-ktx:17.5.0'
 
     // Add the Firebase Crashlytics SDK.
-    implementation 'com.google.firebase:firebase-crashlytics:17.0.1'
+    implementation 'com.google.firebase:firebase-crashlytics:17.2.1'
 
-    implementation 'com.google.firebase:firebase-perf:19.0.7'
+    implementation 'com.google.firebase:firebase-perf:19.0.8'
 
     implementation 'com.squareup.picasso:picasso:2.71828'
 
diff --git a/build.gradle b/build.gradle
index f9ddd9017..f857e53f2 100644
--- a/build.gradle
+++ b/build.gradle
@@ -14,7 +14,7 @@ buildscript {
         classpath 'com.android.tools.build:gradle:3.5.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         classpath 'com.google.gms:google-services:4.3.3'
-        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.1.1'
+        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.2.1'
         classpath 'com.google.firebase:perf-plugin:1.3.1'  // Performance Monitoring plugin
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files