diff --git a/build.gradle b/build.gradle
index 8836c081..8f0e3e0c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -54,7 +54,7 @@ subprojects {
 		implementation 'io.jsonwebtoken:jjwt:0.9.1'
 		implementation 'javax.xml.bind:jaxb-api:2.3.1'
 
-		implementation 'net.coobird:thumbnailator:0.4.20'
+		implementation 'net.coobird:thumbnailator:0.4.21'
 
 		testFixturesImplementation 'org.springframework.boot:spring-boot-starter-test'
 		testFixturesRuntimeOnly 'org.junit.platform:junit-platform-launcher'