diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 16e39476e..e04f2c0f8 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -29,7 +29,7 @@ jobs:
       uses: actions/setup-java@v1
       with:
         java-version: 1.8
-    # Install node 14+ for running maven-semantic-release.
+    # Install node 18+ for running maven-semantic-release.
     - name: Use Node.js 18.X
       uses: actions/setup-node@v1
       with:
diff --git a/pom.xml b/pom.xml
index 256ab3ab2..a2b50bf6c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -331,7 +331,7 @@
     <dependency>
       <groupId>com.graphql-java</groupId>
       <artifactId>graphql-java</artifactId>
-      <version>11.0</version>
+      <version>17.4</version>
     </dependency>
     <!--  Contains special utils for things like converting escaped strings to unescaped strings for logging.  -->
     <dependency>
diff --git a/src/main/java/com/conveyal/gtfs/graphql/GraphQLGtfsSchema.java b/src/main/java/com/conveyal/gtfs/graphql/GraphQLGtfsSchema.java
index fe5d901ce..6c4032dc2 100644
--- a/src/main/java/com/conveyal/gtfs/graphql/GraphQLGtfsSchema.java
+++ b/src/main/java/com/conveyal/gtfs/graphql/GraphQLGtfsSchema.java
@@ -90,7 +90,12 @@ public class GraphQLGtfsSchema {
             .field(MapFetcher.field("description"))
             .build();
 
-    private static final GraphQLScalarType stringList = new GraphQLScalarType("StringList", "List of Strings", new StringCoercing());
+    private static final GraphQLScalarType stringList = GraphQLScalarType
+        .newScalar()
+        .name("StringList")
+        .description("List of Strings")
+        .coercing(new StringCoercing())
+        .build();
 
     // Represents GTFS Editor service exceptions.
     public static final GraphQLObjectType scheduleExceptionType = newObject().name("scheduleException")