diff --git a/pom.xml b/pom.xml
index f10afe1..1c058ad 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,7 +21,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <slf4j.version>1.7.12</slf4j.version>
-        <kotlin.version>1.2.71</kotlin.version>
+        <kotlin.version>1.6.0</kotlin.version>
         <tika.version>1.11</tika.version>
         <log4j.version>1.2.17</log4j.version>
         <guava.version>19.0</guava.version>