diff --git a/giles-eco/pom.xml b/giles-eco/pom.xml
index 2d4aaf3..5221f1e 100644
--- a/giles-eco/pom.xml
+++ b/giles-eco/pom.xml
@@ -446,7 +446,7 @@
         <dependency>
             <groupId>org.apache.tika</groupId>
             <artifactId>tika-parsers</artifactId>
-            <version>1.18</version>
+            <version>1.22</version>
         </dependency>
 
         <!-- testing -->