diff --git a/build.gradle b/build.gradle
index 1cc35f57..761f1591 100644
--- a/build.gradle
+++ b/build.gradle
@@ -37,7 +37,7 @@ dependencies {
     compileOnly "org.embulk:embulk-spi:0.11"
     compileOnly "org.slf4j:slf4j-api:2.0.7"
 
-    implementation "org.embulk:embulk-util-config:0.3.3"
+    implementation "org.embulk:embulk-util-config:0.3.4"
 }
 
 embulkPlugin {
diff --git a/gradle.lockfile b/gradle.lockfile
index a6fb33d9..b2b34b07 100644
--- a/gradle.lockfile
+++ b/gradle.lockfile
@@ -7,7 +7,7 @@ com.fasterxml.jackson.core:jackson-databind:2.6.7.5=compileClasspath,runtimeClas
 com.fasterxml.jackson.datatype:jackson-datatype-jdk8:2.6.7=compileClasspath,runtimeClasspath
 javax.validation:validation-api:1.1.0.Final=compileClasspath,runtimeClasspath
 org.embulk:embulk-spi:0.11=compileClasspath
-org.embulk:embulk-util-config:0.3.3=compileClasspath,runtimeClasspath
+org.embulk:embulk-util-config:0.3.4=compileClasspath,runtimeClasspath
 org.msgpack:msgpack-core:0.8.24=compileClasspath
 org.slf4j:slf4j-api:2.0.7=compileClasspath
 empty=