diff --git a/pom.xml b/pom.xml
index 481a18f4c0a0909aac1f29afc41afb1d4138f062..a7fe8c36912832cfa3699dec36f9a10dea846018 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>