diff --git a/file-sharing-consumer/build.gradle b/file-sharing-consumer/build.gradle
index d1efc13..64e52de 100644
--- a/file-sharing-consumer/build.gradle
+++ b/file-sharing-consumer/build.gradle
@@ -6,7 +6,7 @@ buildscript {
     }
     dependencies {
         classpath "com.android.tools.build:gradle:8.1.2"
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.9.20"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.9.21"
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
diff --git a/file-sharing-producer/build.gradle b/file-sharing-producer/build.gradle
index d1efc13..64e52de 100644
--- a/file-sharing-producer/build.gradle
+++ b/file-sharing-producer/build.gradle
@@ -6,7 +6,7 @@ buildscript {
     }
     dependencies {
         classpath "com.android.tools.build:gradle:8.1.2"
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.9.20"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.9.21"
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
diff --git a/lottie/build.gradle b/lottie/build.gradle
index f5588e9..c88a0b9 100644
--- a/lottie/build.gradle
+++ b/lottie/build.gradle
@@ -6,7 +6,7 @@ buildscript {
     }
     dependencies {
         classpath "com.android.tools.build:gradle:8.1.2"
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.9.20"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.9.21"
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
diff --git a/vision-qr-code-scanner/build.gradle b/vision-qr-code-scanner/build.gradle
index d1efc13..64e52de 100644
--- a/vision-qr-code-scanner/build.gradle
+++ b/vision-qr-code-scanner/build.gradle
@@ -6,7 +6,7 @@ buildscript {
     }
     dependencies {
         classpath "com.android.tools.build:gradle:8.1.2"
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.9.20"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.9.21"
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
diff --git a/work-manager/build.gradle b/work-manager/build.gradle
index 5279fa5..b30a48b 100644
--- a/work-manager/build.gradle
+++ b/work-manager/build.gradle
@@ -10,7 +10,7 @@ buildscript {
     }
     dependencies {
         classpath "com.android.tools.build:gradle:8.1.2"
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.9.20"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.9.21"
         classpath "com.google.dagger:hilt-android-gradle-plugin:$hilt_version"
     }
 }