diff --git a/pom.xml b/pom.xml
index 009ec68b38e6c1c5c3ff9dba1d42c4f72c0be103..3bb81fac71beaecdf9781058bf70756409b52b20 100755
--- a/pom.xml
+++ b/pom.xml
@@ -63,7 +63,7 @@
         <dependency>
             <groupId>edu.ucar</groupId>
             <artifactId>cdm</artifactId>
-            <version>4.6.10</version>
+            <version>4.6.21</version>
         </dependency>
         <dependency>
             <groupId>org.flywaydb</groupId>