diff --git a/generator/pom.xml b/generator/pom.xml
index 9d99909c9..1653176dd 100644
--- a/generator/pom.xml
+++ b/generator/pom.xml
@@ -144,7 +144,7 @@
         <dependency>
           <groupId>io.pebbletemplates</groupId>
           <artifactId>pebble</artifactId>
-          <version>4.0.0</version>
+          <version>4.1.0</version>
         </dependency>
     </dependencies>
     <properties>
diff --git a/generator/src/main/java/com/linecorp/bot/codegen/pebble/PebbleTemplateAdapter.java b/generator/src/main/java/com/linecorp/bot/codegen/pebble/PebbleTemplateAdapter.java
index e8994a446..1e1522dca 100644
--- a/generator/src/main/java/com/linecorp/bot/codegen/pebble/PebbleTemplateAdapter.java
+++ b/generator/src/main/java/com/linecorp/bot/codegen/pebble/PebbleTemplateAdapter.java
@@ -4,7 +4,6 @@
 import io.pebbletemplates.pebble.PebbleEngine;
 import io.pebbletemplates.pebble.loader.ClasspathLoader;
 import io.pebbletemplates.pebble.loader.DelegatingLoader;
-import io.pebbletemplates.pebble.loader.FileLoader;
 import org.openapitools.codegen.api.AbstractTemplatingEngineAdapter;
 import org.openapitools.codegen.api.TemplatingExecutor;
 
@@ -19,7 +18,6 @@ public class PebbleTemplateAdapter extends AbstractTemplatingEngineAdapter {
             .cacheActive(false)
             .newLineTrimming(false)
             .loader(new DelegatingLoader(Arrays.asList(
-                    new FileLoader(),
                     new ClasspathLoader()
             )))
             .autoEscaping(false)