diff --git a/pom.xml b/pom.xml
index 14485cf..0f5aa5b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -36,7 +36,7 @@
         <dependency>
             <groupId>org.apache.calcite</groupId>
             <artifactId>calcite-core</artifactId>
-            <version>1.7.0</version>
+            <version>1.26.0</version>
         </dependency>
         <dependency>
             <groupId>commons-io</groupId>