diff --git a/README.md b/README.md
index c109ca53..1ff3fb29 100644
--- a/README.md
+++ b/README.md
@@ -24,8 +24,8 @@ You are encouraged to take a look!
 
 The microBean Helm project's version number tracks the Helm and Tiller
 release it works with, together with its own version semantics.  For
-example, a microBean Helm version of `2.12.3.0.0.1` means that the Helm
-version it tracks is `2.12.3` and the (SemVer-compatible) version of
+example, a microBean Helm version of `2.16.2.0.0.1` means that the Helm
+version it tracks is `2.16.2` and the (SemVer-compatible) version of
 the non-generated code that is part of _this_ project is `0.0.1`.
 
 # Installation
@@ -38,7 +38,7 @@ like this:
       <groupId>org.microbean</groupId>
       <artifactId>microbean-helm</artifactId>
       <!-- See http://search.maven.org/#search%7Cgav%7C1%7Cg%3A%22org.microbean%22%20AND%20a%3A%22microbean-helm%22 for available releases. -->
-      <version>2.12.3.0.0.1</version>
+      <version>2.16.2.0.0.1</version>
       <type>jar</type>
     </dependency>
     
diff --git a/pom.xml b/pom.xml
index 06adcfeb..1a6175cb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
   <groupId>org.microbean</groupId>
   <artifactId>microbean-helm</artifactId>
-  <version>2.12.3.0.0.1-SNAPSHOT</version>
+  <version>2.16.2.0.0.1-SNAPSHOT</version>
 
   <parent>
     <groupId>org.microbean</groupId>
@@ -58,42 +58,42 @@
       <dependency>
         <groupId>com.google.protobuf</groupId>
         <artifactId>protobuf-java</artifactId>
-        <version>3.8.0</version>
+        <version>3.11.4</version>
         <type>jar</type>
       </dependency>
 
       <dependency>
         <groupId>io.grpc</groupId>
         <artifactId>grpc-netty</artifactId>
-        <version>1.21.0</version>
+        <version>1.27.2</version>
         <type>jar</type>
       </dependency>
       
       <dependency>
         <groupId>io.grpc</groupId>
         <artifactId>grpc-protobuf</artifactId>
-        <version>1.21.0</version>
+        <version>1.27.2</version>
         <type>jar</type>
       </dependency>
 
       <dependency>
         <groupId>io.grpc</groupId>
         <artifactId>grpc-services</artifactId>
-        <version>1.21.0</version>
+        <version>1.27.2</version>
         <type>jar</type>
       </dependency>
       
       <dependency>
         <groupId>io.grpc</groupId>
         <artifactId>grpc-stub</artifactId>
-        <version>1.21.0</version>
+        <version>1.27.2</version>
         <type>jar</type>
       </dependency>
 
       <dependency>
         <groupId>io.fabric8</groupId>
         <artifactId>kubernetes-client</artifactId>
-        <version>4.3.0</version>
+        <version>4.8.0</version>
         <type>jar</type>
       </dependency>
 
@@ -101,7 +101,7 @@
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-tcnative-boringssl-static</artifactId>
-        <version>2.0.25.Final</version>
+        <version>2.0.29.Final</version>
         <type>jar</type>
         <classifier>${os.detected.classifier}</classifier>
       </dependency>
@@ -116,7 +116,7 @@
       <dependency>
         <groupId>org.microbean</groupId>
         <artifactId>microbean-development-annotations</artifactId>
-        <version>0.1.3</version>
+        <version>0.2.4</version>
         <type>jar</type>
       </dependency>
       
@@ -130,7 +130,7 @@
       <dependency>
         <groupId>org.yaml</groupId>
         <artifactId>snakeyaml</artifactId>
-        <version>1.24</version>
+        <version>1.26</version>
         <type>jar</type>
       </dependency>
       
@@ -334,7 +334,7 @@
               <checkoutDirectory>${project.build.directory}/generated-sources/helm</checkoutDirectory>
               <connectionUrl>scm:git:https://github.com/kubernetes/helm.git</connectionUrl>
               <includes>_proto/hapi/**</includes>
-              <scmVersion>v2.12.3</scmVersion>
+              <scmVersion>v2.16.2</scmVersion>
               <scmVersionType>tag</scmVersionType>
             </configuration>
           </execution>
@@ -382,10 +382,10 @@
             </goals>
             <configuration>
               <checkStaleness>true</checkStaleness>
-              <pluginArtifact>io.grpc:protoc-gen-grpc-java:1.21.0:exe:${os.detected.classifier}</pluginArtifact>
+              <pluginArtifact>io.grpc:protoc-gen-grpc-java:1.27.2:exe:${os.detected.classifier}</pluginArtifact>
               <pluginId>grpc-java</pluginId>
               <protoSourceRoot>${project.build.directory}/generated-sources/helm/_proto</protoSourceRoot>
-              <protocArtifact>com.google.protobuf:protoc:3.8.0:exe:${os.detected.classifier}</protocArtifact>
+              <protocArtifact>com.google.protobuf:protoc:3.11.4:exe:${os.detected.classifier}</protocArtifact>
             </configuration>
           </execution>
         </executions>
@@ -398,7 +398,7 @@
 
     <!-- maven-javadoc-plugin properties; see https://maven.apache.org/plugins/maven-javadoc-plugin/javadoc-mojo.html -->
     <doctitle>&lt;a href="${project.url}" target="_parent"&gt;&lt;span style="font-family:Lobster, cursive;"&gt;µb&lt;/span&gt; ${project.artifactId}&lt;/a&gt; ${project.version} &lt;a href="https://travis-ci.org/microbean/${project.artifactId}" target="_parent"&gt;&lt;img src="https://travis-ci.org/microbean/${project.artifactId}.svg?branch=master"&gt;&lt;/a&gt;</doctitle>
-    <links>https://www.grpc.io/grpc-java/javadoc/,https://developers.google.com/protocol-buffers/docs/reference/java/,https://google.github.io/guava/releases/19.0/api/docs/,https://microbean.github.io/microbean-kubernetes/apidocs/,https://microbean.github.io/microbean-development-annotations/apidocs/,http://static.javadoc.io/com.github.zafarkhaja/java-semver/0.9.0,https://static.javadoc.io/io.fabric8/kubernetes-client/4.3.0,https://static.javadoc.io/io.fabric8/kubernetes-model/4.3.0,https://static.javadoc.io/org.kamranzafar/jtar/2.3,https://static.javadoc.io/org.yaml/snakeyaml/1.24</links>
+    <links>https://www.grpc.io/grpc-java/javadoc/,https://developers.google.com/protocol-buffers/docs/reference/java/,https://google.github.io/guava/releases/19.0/api/docs/,https://microbean.github.io/microbean-kubernetes/apidocs/,https://microbean.github.io/microbean-development-annotations/apidocs/,http://static.javadoc.io/com.github.zafarkhaja/java-semver/0.9.0,https://static.javadoc.io/io.fabric8/kubernetes-client/4.8.0,https://static.javadoc.io/io.fabric8/kubernetes-model/4.8.0,https://static.javadoc.io/org.kamranzafar/jtar/2.3,https://static.javadoc.io/org.yaml/snakeyaml/1.26</links>
     <stylesheetfile>css/stylesheet.css</stylesheetfile>
     
     <!-- maven-scm-plugin properties; see http://maven.apache.org/components/scm/maven-scm-plugin/checkout-mojo.html -->
diff --git a/src/main/java/org/microbean/helm/Tiller.java b/src/main/java/org/microbean/helm/Tiller.java
index f1e05f1d..e9b92d09 100644
--- a/src/main/java/org/microbean/helm/Tiller.java
+++ b/src/main/java/org/microbean/helm/Tiller.java
@@ -87,7 +87,7 @@ public class Tiller implements ConfigAware<Config>, Closeable {
    *
    * <p>This field is never {@code null}.</p>
    */
-  public static final String VERSION = "2.12.3";
+  public static final String VERSION = "2.16.2";
 
   /**
    * The Kubernetes namespace into which Tiller server instances are
@@ -520,7 +520,7 @@ protected ManagedChannel buildChannel(final LocalPortForward portForward) {
       .idleTimeout(5L, TimeUnit.SECONDS)
       .keepAliveTime(30L, TimeUnit.SECONDS)
       .maxInboundMessageSize(MAX_MESSAGE_SIZE)
-      .usePlaintext(true)
+      .usePlaintext()
       .build();
   }
 
diff --git a/src/main/java/org/microbean/helm/TillerInstaller.java b/src/main/java/org/microbean/helm/TillerInstaller.java
index 3eb08ff8..eabf4fba 100644
--- a/src/main/java/org/microbean/helm/TillerInstaller.java
+++ b/src/main/java/org/microbean/helm/TillerInstaller.java
@@ -128,7 +128,7 @@ public class TillerInstaller {
   /**
    * The version of Tiller to install.
    */
-  public static final String VERSION = "2.12.3";
+  public static final String VERSION = "2.16.2";
 
   /*
    * Derivative static fields.
diff --git a/src/main/java/org/microbean/helm/package-info.java b/src/main/java/org/microbean/helm/package-info.java
index c0b6eaba..61180f4b 100644
--- a/src/main/java/org/microbean/helm/package-info.java
+++ b/src/main/java/org/microbean/helm/package-info.java
@@ -26,7 +26,7 @@
  *
  * @see org.microbean.helm.ReleaseManager
  */
-@Version("2.12.3.0.0.1")
+@Version("2.16.2.0.0.1")
 package org.microbean.helm;
 
 import org.microbean.development.annotation.Version;