diff --git a/pdf/build.gradle b/pdf/build.gradle
index ccea84b7..bc1c8a6c 100644
--- a/pdf/build.gradle
+++ b/pdf/build.gradle
@@ -4,7 +4,7 @@ configurations {
 }
 
 ext {
-  FLYING_SOURCER_VERSION = '9.7.2'
+  FLYING_SOURCER_VERSION = '9.8.0'
   YAHP_VERSION = 1.3
 }