diff --git a/shadow-google-ads-helper/build.gradle b/shadow-google-ads-helper/build.gradle
index 85120ac..f37c097 100644
--- a/shadow-google-ads-helper/build.gradle
+++ b/shadow-google-ads-helper/build.gradle
@@ -30,7 +30,7 @@ configurations {
 }
 
 dependencies {
-    compile("com.google.api-ads:google-ads:25.0.0") {
+    compile("com.google.api-ads:google-ads:26.1.0") {
         exclude group: "commons-logging", module: "commons-logging"
     }
 
diff --git a/src/main/java/org/embulk/input/google_ads/GoogleAdsInputPlugin.java b/src/main/java/org/embulk/input/google_ads/GoogleAdsInputPlugin.java
index e2da5a7..53f038a 100644
--- a/src/main/java/org/embulk/input/google_ads/GoogleAdsInputPlugin.java
+++ b/src/main/java/org/embulk/input/google_ads/GoogleAdsInputPlugin.java
@@ -1,7 +1,7 @@
 package org.embulk.input.google_ads;
 
-import com.google.ads.googleads.v13.services.GoogleAdsRow;
-import com.google.ads.googleads.v13.services.GoogleAdsServiceClient;
+import com.google.ads.googleads.v14.services.GoogleAdsRow;
+import com.google.ads.googleads.v14.services.GoogleAdsServiceClient;
 import com.google.common.collect.ImmutableList;
 
 import org.embulk.config.ConfigDiff;
diff --git a/src/main/java/org/embulk/input/google_ads/GoogleAdsReporter.java b/src/main/java/org/embulk/input/google_ads/GoogleAdsReporter.java
index bbc0e25..bee630c 100644
--- a/src/main/java/org/embulk/input/google_ads/GoogleAdsReporter.java
+++ b/src/main/java/org/embulk/input/google_ads/GoogleAdsReporter.java
@@ -7,9 +7,9 @@
 import com.fasterxml.jackson.databind.node.JsonNodeType;
 import com.fasterxml.jackson.databind.node.ObjectNode;
 import com.google.ads.googleads.lib.GoogleAdsClient;
-import com.google.ads.googleads.v13.services.GoogleAdsRow;
-import com.google.ads.googleads.v13.services.GoogleAdsServiceClient;
-import com.google.ads.googleads.v13.services.SearchGoogleAdsRequest;
+import com.google.ads.googleads.v14.services.GoogleAdsRow;
+import com.google.ads.googleads.v14.services.GoogleAdsServiceClient;
+import com.google.ads.googleads.v14.services.SearchGoogleAdsRequest;
 import com.google.auth.oauth2.UserCredentials;
 import com.google.common.base.CaseFormat;
 import com.google.protobuf.Descriptors;
@@ -62,7 +62,7 @@ public Iterable<GoogleAdsServiceClient.SearchPage> getReportPage()
             String query = buildQuery(task, startDateTime);
             logger.info(query);
             SearchGoogleAdsRequest request = buildRequest(task, query);
-            GoogleAdsServiceClient googleAdsService = client.getVersion13().createGoogleAdsServiceClient();
+            GoogleAdsServiceClient googleAdsService = client.getVersion14().createGoogleAdsServiceClient();
             GoogleAdsServiceClient.SearchPagedResponse response = googleAdsService.search(request);
 
             if (response.getPage().getResponse().getResultsCount() == 0) {