diff --git a/build.gradle b/build.gradle
index 8696c16c..a9e1e44f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -21,7 +21,7 @@ dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-thymeleaf'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 	implementation 'org.apache.pdfbox:pdfbox:2.0.27'
-	implementation 'org.apache.logging.log4j:log4j-core:2.19.0'
+	implementation 'org.apache.logging.log4j:log4j-core:2.20.0'
 	implementation 'e-iceblue:spire.pdf.free:5.1.0'
 	
 	implementation 'org.apache.poi:poi:5.2.0'