diff --git a/build.gradle b/build.gradle
index 30b21b247..a52f6f1b6 100644
--- a/build.gradle
+++ b/build.gradle
@@ -129,7 +129,7 @@ allprojects  {
             dependency 'com.github.librepdf:openpdf:1.3.27'
             dependency 'org.mnode.ical4j:ical4j:3.1.1'
             dependency 'org.quartz-scheduler:quartz:2.3.2'
-            dependency 'com.amazonaws:aws-java-sdk-s3:1.12.100'
+            dependency 'com.amazonaws:aws-java-sdk-s3:1.12.172'
             dependency 'org.ehcache:ehcache:3.9.7'
             dependency 'com.github.spullara.mustache.java:compiler:0.9.10'
             dependency 'com.jayway.jsonpath:json-path:2.7.0'