diff --git a/appengine-java8/firebase-tictactoe/pom.xml b/appengine-java8/firebase-tictactoe/pom.xml
index fe1ea920240..ffb6e022c68 100644
--- a/appengine-java8/firebase-tictactoe/pom.xml
+++ b/appengine-java8/firebase-tictactoe/pom.xml
@@ -52,7 +52,7 @@
     <dependency>
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-oauth2-http</artifactId>
-      <version>1.8.1</version>
+      <version>1.15.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.code.gson</groupId>
diff --git a/auth/pom.xml b/auth/pom.xml
index b7ec0bddcdb..752fc23ad5f 100644
--- a/auth/pom.xml
+++ b/auth/pom.xml
@@ -65,7 +65,7 @@ limitations under the License.
     <dependency>
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-oauth2-http</artifactId>
-      <version>1.8.1</version>
+      <version>1.15.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.cloud</groupId>
diff --git a/compute/cmdline/pom.xml b/compute/cmdline/pom.xml
index e972247fd8b..061514bc361 100644
--- a/compute/cmdline/pom.xml
+++ b/compute/cmdline/pom.xml
@@ -40,7 +40,7 @@ limitations under the License.
     <dependency>
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-oauth2-http</artifactId>
-      <version>1.8.1</version>
+      <version>1.15.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.apis</groupId>
diff --git a/endpoints/getting-started/clients/pom.xml b/endpoints/getting-started/clients/pom.xml
index d8cb60b8085..aabb84dd05d 100644
--- a/endpoints/getting-started/clients/pom.xml
+++ b/endpoints/getting-started/clients/pom.xml
@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-oauth2-http</artifactId>
-      <version>1.8.1</version>
+      <version>1.15.0</version>
     </dependency>
     <dependency>
       <groupId>com.auth0</groupId>
diff --git a/healthcare/v1/pom.xml b/healthcare/v1/pom.xml
index 6d0d24cfa18..99686ff4eb1 100644
--- a/healthcare/v1/pom.xml
+++ b/healthcare/v1/pom.xml
@@ -90,7 +90,7 @@
     <dependency>
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-oauth2-http</artifactId>
-      <version>1.8.1</version>
+      <version>1.15.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.cloud</groupId>
diff --git a/iam/api-client/pom.xml b/iam/api-client/pom.xml
index 7faf6ec363b..a09a1ed9809 100644
--- a/iam/api-client/pom.xml
+++ b/iam/api-client/pom.xml
@@ -45,7 +45,7 @@
     <dependency>
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-oauth2-http</artifactId>
-      <version>1.8.1</version>
+      <version>1.15.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.http-client</groupId>
diff --git a/iam/snippets/pom.xml b/iam/snippets/pom.xml
index b5d479265a4..0b1fd6eedb3 100644
--- a/iam/snippets/pom.xml
+++ b/iam/snippets/pom.xml
@@ -31,7 +31,7 @@
     <dependency>
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-oauth2-http</artifactId>
-      <version>1.12.1</version>
+      <version>1.15.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.http-client</groupId>
diff --git a/iap/pom.xml b/iap/pom.xml
index ec56c939aef..517dc28a7e9 100644
--- a/iap/pom.xml
+++ b/iap/pom.xml
@@ -58,7 +58,7 @@
     <dependency>
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-oauth2-http</artifactId>
-      <version>1.8.1</version>
+      <version>1.15.0</version>
     </dependency>
     <!-- [END dependencies] -->
 
diff --git a/iot/api-client/end-to-end-example/pom.xml b/iot/api-client/end-to-end-example/pom.xml
index 734acd4940d..d453a9585e5 100644
--- a/iot/api-client/end-to-end-example/pom.xml
+++ b/iot/api-client/end-to-end-example/pom.xml
@@ -68,7 +68,7 @@
     <dependency>
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-oauth2-http</artifactId>
-      <version>1.8.1</version>
+      <version>1.15.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.guava</groupId>
diff --git a/iot/api-client/manager/pom.xml b/iot/api-client/manager/pom.xml
index 834138dcee0..fb651363269 100644
--- a/iot/api-client/manager/pom.xml
+++ b/iot/api-client/manager/pom.xml
@@ -77,7 +77,7 @@
     <dependency>
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-oauth2-http</artifactId>
-      <version>1.8.1</version>
+      <version>1.15.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.guava</groupId>
diff --git a/jobs/v3/pom.xml b/jobs/v3/pom.xml
index 4f1f89b70f7..fe4a957c255 100644
--- a/jobs/v3/pom.xml
+++ b/jobs/v3/pom.xml
@@ -37,7 +37,7 @@
     <dependency>
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-oauth2-http</artifactId>
-      <version>1.8.1</version>
+      <version>1.15.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.http-client</groupId>
diff --git a/mlengine/online-prediction/pom.xml b/mlengine/online-prediction/pom.xml
index 66567eb0f7c..8da7857bbe2 100644
--- a/mlengine/online-prediction/pom.xml
+++ b/mlengine/online-prediction/pom.xml
@@ -66,7 +66,7 @@ limitations under the License.
     <dependency>
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-oauth2-http</artifactId>
-      <version>1.8.1</version>
+      <version>1.15.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.apis</groupId>
diff --git a/monitoring/cloud-client/pom.xml b/monitoring/cloud-client/pom.xml
index 38c6c3bfa7d..17a08244293 100644
--- a/monitoring/cloud-client/pom.xml
+++ b/monitoring/cloud-client/pom.xml
@@ -76,7 +76,7 @@
     <dependency>
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-oauth2-http</artifactId>
-      <version>1.8.1</version>
+      <version>1.15.0</version>
     </dependency>
 
     <!-- Test dependencies -->
diff --git a/run/authentication/pom.xml b/run/authentication/pom.xml
index 486aba7d504..52cacef1202 100644
--- a/run/authentication/pom.xml
+++ b/run/authentication/pom.xml
@@ -37,7 +37,7 @@ limitations under the License.
     <dependency>
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-oauth2-http</artifactId>
-      <version>1.8.1</version>
+      <version>1.15.0</version>
     </dependency>
 
     <dependency>
diff --git a/run/markdown-preview/editor/pom.xml b/run/markdown-preview/editor/pom.xml
index 89b419ea9a4..9a4639212c8 100644
--- a/run/markdown-preview/editor/pom.xml
+++ b/run/markdown-preview/editor/pom.xml
@@ -59,7 +59,7 @@
     <dependency>
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-oauth2-http</artifactId>
-      <version>1.8.1</version>
+      <version>1.15.0</version>
     </dependency>
     <dependency>
       <groupId>junit</groupId>
diff --git a/storage-transfer/pom.xml b/storage-transfer/pom.xml
index 96fe7e077a1..9aafca2a72e 100644
--- a/storage-transfer/pom.xml
+++ b/storage-transfer/pom.xml
@@ -59,7 +59,7 @@
     <dependency>
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-oauth2-http</artifactId>
-      <version>1.8.1</version>
+      <version>1.15.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.guava</groupId>
diff --git a/storage/xml-api/cmdline-sample/pom.xml b/storage/xml-api/cmdline-sample/pom.xml
index 7ed559ca37c..041232de1a5 100644
--- a/storage/xml-api/cmdline-sample/pom.xml
+++ b/storage/xml-api/cmdline-sample/pom.xml
@@ -81,7 +81,7 @@
     <dependency>
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-oauth2-http</artifactId>
-      <version>1.8.1</version>
+      <version>1.15.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.http-client</groupId>
diff --git a/vision/face-detection/pom.xml b/vision/face-detection/pom.xml
index 88d1d16c9ad..3464ca412cf 100644
--- a/vision/face-detection/pom.xml
+++ b/vision/face-detection/pom.xml
@@ -46,7 +46,7 @@
     <dependency>
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-oauth2-http</artifactId>
-      <version>1.8.1</version>
+      <version>1.15.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.guava</groupId>