diff --git a/pom.xml b/pom.xml
index 737e452782a9c263f9e08273b73465b67fe7c310..f43453c2322857d9b7981ba3d85d683f483f1732 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>