diff --git a/pom.xml b/pom.xml
index 47a17cc..6bfca24 100644
--- a/pom.xml
+++ b/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.jenkins-ci.plugins</groupId>
     <artifactId>plugin</artifactId>
-    <version>3.43</version>
+    <version>3.55</version>
   </parent>
 
   <!--
@@ -81,6 +81,7 @@
     <findbugs.threshold>Medium</findbugs.threshold>
     <doclint>none</doclint>
     <runSuite>**/GoogleOAuthPluginTestSuite.class</runSuite>
+    <configuration-as-code.version>1.35</configuration-as-code.version>
   </properties>
 
   <dependencyManagement>
@@ -95,6 +96,11 @@
     </dependencies>
   </dependencyManagement>
   <dependencies>
+    <dependency>
+      <groupId>org.jenkins-ci.plugins</groupId>
+      <artifactId>jackson2-api</artifactId>
+      <version>2.10.2</version>
+    </dependency>
     <!-- com.google.guava -->
     <dependency>
       <groupId>com.google.guava</groupId>
@@ -118,26 +124,27 @@
     <dependency>
       <groupId>org.hamcrest</groupId>
       <artifactId>hamcrest-library</artifactId>
-      <version>1.3</version>
+      <version>2.2</version>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>org.mockito</groupId>
-      <artifactId>mockito-all</artifactId>
-      <version>1.8.4</version>
+      <artifactId>mockito-core</artifactId>
+      <version>1.10.19</version>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>io.jenkins</groupId>
       <artifactId>configuration-as-code</artifactId>
+      <version>${configuration-as-code.version}</version>
       <scope>test</scope>
       <!--Marked as optional so hpi:run does not include it. -->
       <optional>true</optional>
     </dependency>
     <dependency>
-      <groupId>io.jenkins</groupId>
-      <artifactId>configuration-as-code</artifactId>
-      <classifier>tests</classifier>
+      <groupId>io.jenkins.configuration-as-code</groupId>
+      <artifactId>test-harness</artifactId>
+      <version>${configuration-as-code.version}</version>
       <scope>test</scope>
       <optional>true</optional>
     </dependency>