diff --git a/pom.xml b/pom.xml
index cbe0ee2fa49..d9fd5b078e7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -33,7 +33,7 @@
         <netcdf4.version>5.5.2</netcdf4.version>
         <netty.version>4.1.74.Final</netty.version>
         <lucene.version>9.1.0</lucene.version>
-        <graphql.version>18.1</graphql.version>
+        <graphql.version>18.3</graphql.version>
         <!-- Other properties -->
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <GITHUB_REPOSITORY>opentripplanner/OpenTripPlanner</GITHUB_REPOSITORY>
@@ -788,7 +788,7 @@
         <dependency>
             <groupId>com.graphql-java</groupId>
             <artifactId>graphql-java-extended-scalars</artifactId>
-            <version>${graphql.version}</version>
+            <version>18.1</version>
         </dependency>
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>