diff --git a/pom.xml b/pom.xml
index 62c3008..cd5a009 100644
--- a/pom.xml
+++ b/pom.xml
@@ -42,7 +42,7 @@
             <dependency>
                 <groupId>org.apache.calcite</groupId>
                 <artifactId>calcite-core</artifactId>
-                <version>1.18.0</version>
+                <version>1.26.0</version>
             </dependency>
             <dependency>
                 <groupId>org.apache.calcite.avatica</groupId>