diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index bfb5caa1ce4..0c70ef4c2e4
--- a/pom.xml
+++ b/pom.xml
@@ -41,7 +41,7 @@
         <logback.version>1.2.3</logback.version>
         <mockito.version>1.9.5</mockito.version>
         <rat.version>0.10</rat.version>
-        <cassandra.version>3.5.0</cassandra.version>
+        <cassandra.version>3.8.0</cassandra.version>
         <cassandra-unit.version>3.3.0.2</cassandra-unit.version>
         <takari-cpsuite.version>1.2.7</takari-cpsuite.version>
         <guava.version>21.0</guava.version>