diff --git a/pom.xml b/pom.xml
index 1b624585..e64313c1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -187,7 +187,7 @@
         <dependency>
             <groupId>net.coobird</groupId>
             <artifactId>thumbnailator</artifactId>
-            <version>0.4.20</version>
+            <version>0.4.21</version>
         </dependency>
         <dependency>
             <groupId>com.drewnoakes</groupId>