diff --git a/bom/pom.xml b/bom/pom.xml
index 118c515e0..46d81ffb2 100644
--- a/bom/pom.xml
+++ b/bom/pom.xml
@@ -83,7 +83,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-javadoc-plugin</artifactId>
-        <version>3.6.0</version>
+        <version>3.6.3</version>
         <configuration>
           <skip>true</skip>
         </configuration>
diff --git a/oauth2_http/pom.xml b/oauth2_http/pom.xml
index 3f677b50e..caaebc6dd 100644
--- a/oauth2_http/pom.xml
+++ b/oauth2_http/pom.xml
@@ -152,7 +152,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-failsafe-plugin</artifactId>
-        <version>3.2.1</version>
+        <version>3.2.5</version>
         <configuration>
           <forkedProcessTimeoutInSeconds>1200</forkedProcessTimeoutInSeconds>
           <reportNameSuffix>sponge_log</reportNameSuffix>
diff --git a/pom.xml b/pom.xml
index a0079e405..d880a4315 100644
--- a/pom.xml
+++ b/pom.xml
@@ -72,10 +72,10 @@
     <project.google.http.version>1.43.3</project.google.http.version>
     <project.junit.version>4.13.2</project.junit.version>
     <project.guava.version>32.0.0-android</project.guava.version>
-    <project.appengine.version>2.0.21</project.appengine.version>
+    <project.appengine.version>2.0.26</project.appengine.version>
     <project.findbugs.version>3.0.2</project.findbugs.version>
     <deploy.autorelease>false</deploy.autorelease>
-    <project.error-prone.version>2.18.0</project.error-prone.version>
+    <project.error-prone.version>2.27.1</project.error-prone.version>
   </properties>
 
   <dependencyManagement>
@@ -176,7 +176,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-javadoc-plugin</artifactId>
-          <version>3.6.0</version>
+          <version>3.6.3</version>
           <configuration>
             <source>8</source>
             <failOnError>false</failOnError>
@@ -326,7 +326,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-javadoc-plugin</artifactId>
-        <version>3.6.0</version>
+        <version>3.6.3</version>
         <reportSets>
           <reportSet>
             <id>html</id>
@@ -394,7 +394,7 @@
           <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-javadoc-plugin</artifactId>
-            <version>3.6.0</version>
+            <version>3.6.3</version>
             <executions>
               <execution>
                 <id>attach-javadocs</id>
diff --git a/samples/snippets/pom.xml b/samples/snippets/pom.xml
index 3fb1fac2e..a148926d4 100644
--- a/samples/snippets/pom.xml
+++ b/samples/snippets/pom.xml
@@ -30,7 +30,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>libraries-bom</artifactId>
-        <version>26.26.0</version>
+        <version>26.38.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
@@ -50,7 +50,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-iam-admin</artifactId>
-      <version>3.24.0</version>
+      <version>3.37.0</version>
     </dependency>
 
 <!--    GCloud dependency-->