diff --git a/spring-multipart-file/pom.xml b/spring-multipart-file/pom.xml
index 7caec98b94..d5096c9f00 100644
--- a/spring-multipart-file/pom.xml
+++ b/spring-multipart-file/pom.xml
@@ -17,6 +17,7 @@
     <properties>
         <commons-io.version>2.6</commons-io.version>
         <junit.version>4.12</junit.version>
+        <org.assertj.assertj-core.version>3.15.0</org.assertj.assertj-core.version>
         <org.springframework.spring-mock.version>2.0.8</org.springframework.spring-mock.version>
     </properties>
 
@@ -26,6 +27,12 @@
             <artifactId>commons-io</artifactId>
             <version>${commons-io.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>${org.assertj.assertj-core.version}</version>
+            <scope>test</scope>
+        </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-web</artifactId>
diff --git a/spring-multipart-file/src/test/java/com/baeldung/multipart/file/ConvertMultipartFileExample.java b/spring-multipart-file/src/test/java/com/baeldung/multipart/file/ConvertMultipartFileExample.java
index 23c603a756..180193b987 100644
--- a/spring-multipart-file/src/test/java/com/baeldung/multipart/file/ConvertMultipartFileExample.java
+++ b/spring-multipart-file/src/test/java/com/baeldung/multipart/file/ConvertMultipartFileExample.java
@@ -1,5 +1,7 @@
 package com.baeldung.multipart.file;
 
+import static org.assertj.core.api.Assertions.assertThat;
+
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
@@ -7,7 +9,6 @@ import java.io.InputStream;
 import java.io.OutputStream;
 
 import org.apache.commons.io.FileUtils;
-import org.junit.Assert;
 import org.junit.Test;
 import org.springframework.mock.web.MockMultipartFile;
 import org.springframework.web.multipart.MultipartFile;
@@ -29,7 +30,7 @@ public class ConvertMultipartFileExample {
             os.write(multipartFile.getBytes());
         }
 
-        Assert.assertEquals(FileUtils.readFileToString(new File("src/main/resources/targetFile.tmp"), "UTF-8"), "Hello World");
+        assertThat(FileUtils.readFileToString(new File("src/main/resources/targetFile.tmp"), "UTF-8")).isEqualTo("Hello World");
     }
 
     /**
@@ -51,7 +52,7 @@ public class ConvertMultipartFileExample {
             outStream.write(buffer);
         }
 
-        Assert.assertEquals(FileUtils.readFileToString(new File("src/main/resources/targetFile.tmp"), "UTF-8"), "Hello World");
+        assertThat(FileUtils.readFileToString(new File("src/main/resources/targetFile.tmp"), "UTF-8")).isEqualTo("Hello World");
     }
 
     /**
@@ -67,6 +68,6 @@ public class ConvertMultipartFileExample {
 
         multipartFile.transferTo(file);
 
-        Assert.assertEquals(FileUtils.readFileToString(new File("src/main/resources/targetFile.tmp"), "UTF-8"), "Hello World");
+        assertThat(FileUtils.readFileToString(new File("src/main/resources/targetFile.tmp"), "UTF-8")).isEqualTo("Hello World");
     }
 }