diff --git a/src/main/java/io/github/lambdatest/gradle/LambdaTestTask.java b/src/main/java/io/github/lambdatest/gradle/LambdaTestTask.java
index 8c23636..897bd85 100644
--- a/src/main/java/io/github/lambdatest/gradle/LambdaTestTask.java
+++ b/src/main/java/io/github/lambdatest/gradle/LambdaTestTask.java
@@ -157,18 +157,30 @@ public void runLambdaTest() {
     // setter methods for the properties
 
     public void setUsername(String username) {
+        if (username == null || username.trim().isEmpty()) {
+            throw new IllegalArgumentException("Username cannot be null or empty");
+        }
         this.username = username;
     }
 
     public void setAccessKey(String accessKey) {
+        if (accessKey == null || accessKey.trim().isEmpty()) {
+            throw new IllegalArgumentException("Access key cannot be null or empty");
+        }
         this.accessKey = accessKey;
     }
 
     public void setAppFilePath(String appFilePath) {
+        if (appFilePath != null && appFilePath.trim().isEmpty()) {
+            throw new IllegalArgumentException("App file path cannot be empty");
+        }
         this.appFilePath = appFilePath;
     }
 
     public void setTestSuiteFilePath(String testSuiteFilePath) {
+        if (testSuiteFilePath != null && testSuiteFilePath.trim().isEmpty()) {
+            throw new IllegalArgumentException("Test suite file path cannot be empty");
+        }
         this.testSuiteFilePath = testSuiteFilePath;
     }
 
diff --git a/src/main/java/io/github/lambdatest/gradle/LambdaUploaderTask.java b/src/main/java/io/github/lambdatest/gradle/LambdaUploaderTask.java
index 927b779..3bb02f0 100644
--- a/src/main/java/io/github/lambdatest/gradle/LambdaUploaderTask.java
+++ b/src/main/java/io/github/lambdatest/gradle/LambdaUploaderTask.java
@@ -104,18 +104,30 @@ public void uploadApkToLambdaTest() {
 
     // Setter functions for the task
     public void setUsername(String username) {
+        if (username == null || username.trim().isEmpty()) {
+            throw new IllegalArgumentException("Username cannot be null or empty");
+        }
         this.username = username;
     }
 
     public void setAccessKey(String accessKey) {
+        if (accessKey == null || accessKey.trim().isEmpty()) {
+            throw new IllegalArgumentException("Access key cannot be null or empty");
+        }
         this.accessKey = accessKey;
     }
 
     public void setAppFilePath(String appFilePath) {
+        if (appFilePath != null && appFilePath.trim().isEmpty()) {
+            throw new IllegalArgumentException("App file path cannot be empty");
+        }
         this.appFilePath = appFilePath;
     }
 
     public void setTestSuiteFilePath(String testSuiteFilePath) {
+        if (testSuiteFilePath != null && testSuiteFilePath.trim().isEmpty()) {
+            throw new IllegalArgumentException("Test suite file path cannot be empty");
+        }
         this.testSuiteFilePath = testSuiteFilePath;
     }