diff --git a/app/build.gradle b/app/build.gradle
index 3f8ad65e5..7b79b20f5 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -116,7 +116,7 @@ dependencies {
     implementation fileTree(dir: 'libs', include: ['*.aar', '*.jar'])
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     implementation 'androidx.appcompat:appcompat:1.1.0'
-    implementation 'androidx.core:core-ktx:1.6.0'
+    implementation 'androidx.core:core-ktx:1.1.0'
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
     implementation 'com.google.android.material:material:1.2.1'
     implementation 'com.airbnb.android:lottie:3.6.1'
diff --git a/sdk/explorer-link-android/build.gradle b/sdk/explorer-link-android/build.gradle
index e65b417ed..1d9985184 100644
--- a/sdk/explorer-link-android/build.gradle
+++ b/sdk/explorer-link-android/build.gradle
@@ -33,7 +33,7 @@ android {
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     implementation 'androidx.appcompat:appcompat:1.1.0'
-    implementation 'androidx.core:core-ktx:1.6.0'
+    implementation 'androidx.core:core-ktx:1.2.0'
     implementation 'com.alibaba:fastjson:1.2.73'
     implementation "com.tencent.iot.thirdparty.android:esptouch:0.3.7.2"
     testImplementation 'junit:junit:4.12'