diff --git a/build.gradle b/build.gradle
index 72ee18e87..56573866f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -112,7 +112,7 @@ allprojects  {
             dependency 'org.apache.commons:commons-email:1.5'
             dependency 'commons-io:commons-io:2.8.0'
             dependency 'org.drizzle.jdbc:drizzle-jdbc:1.4'
-            dependency 'com.github.librepdf:openpdf:1.3.22'
+            dependency 'com.github.librepdf:openpdf:1.3.23'
             dependency 'org.mnode.ical4j:ical4j:3.0.20'
             dependency 'org.quartz-scheduler:quartz:2.3.2'
             dependency 'com.amazonaws:aws-java-sdk-s3:1.11.874'