diff --git a/build.gradle b/build.gradle
index 3d5cc68..141959a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -47,7 +47,7 @@ dependencies {
 	//implementation group: 'com.github.ghostdogpr', name: "caliban-codegen_${scalaVersion}", version: '0.8.1'
 
 	// https://mvnrepository.com/artifact/com.github.ghostdogpr/caliban-tools
-	implementation group: 'com.github.ghostdogpr', name: "caliban-tools_${scalaVersion}", version: '0.9.5'
+	implementation group: 'com.github.ghostdogpr', name: "caliban-tools_${scalaVersion}", version: '1.4.0'
 
 	// logging
 	implementation "org.slf4j:slf4j-api:${slf4jVersion}"  // slf4j wrapper