diff --git a/.travis.yml b/.travis.yml
index 5de87b9d..44d535e0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,10 +5,21 @@ secure: "H4tUL1Greyj588Kb1/FnRapFT/57KaApQYAZx2KRORkddYSzPq2tovI1S8AnqzCHpVtfjin
 
 language: java
 
-jdk:
-  - oraclejdk8
-  - oraclejdk7
-  - openjdk7
+
+matrix:
+  include:
+    - os: linux
+      dist: trusty
+      jdk: oraclejdk8
+    - os: linux
+      dist: trusty
+      jdk: oraclejdk9
+    - os: linux
+      dist: precise
+      jdk: oraclejdk7
+    - os: linux
+      dist: precise
+      jdk: openjdk7
 
 install:
   - mvn install -DskipTests=true -Dgpg.skip=true
diff --git a/pom.xml b/pom.xml
index 1706db31..21e17c1c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -102,9 +102,9 @@
 
     <!-- Tests -->
     <dependency>
-      <artifactId>mockito-all</artifactId>
+      <artifactId>mockito-core</artifactId>
       <groupId>org.mockito</groupId>
-      <version>1.9.5</version>
+      <version>2.8.47</version>
       <scope>test</scope>
     </dependency>
     <dependency>
@@ -197,39 +197,6 @@
           </execution>
         </executions>
       </plugin>
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-checkstyle-plugin</artifactId>
-        <version>2.13</version>
-        <configuration>
-          <configLocation>checkstyle.xml</configLocation>
-          <consoleOutput>true</consoleOutput>
-          <failOnViolation>true</failOnViolation>
-          <failsOnError>true</failsOnError>
-          <includeTestSourceDirectory>true</includeTestSourceDirectory>
-          <maxAllowedViolations>0</maxAllowedViolations>
-        </configuration>
-        <executions>
-          <execution>
-            <id>checkstyle</id>
-            <phase>process-sources</phase>
-            <goals>
-              <goal>check</goal>
-            </goals>
-            <configuration>
-              <failOnViolation>true</failOnViolation>
-              <failsOnError>true</failsOnError>
-            </configuration>
-          </execution>
-        </executions>
-        <dependencies>
-          <dependency>
-            <groupId>com.puppycrawl.tools</groupId>
-            <artifactId>checkstyle</artifactId>
-            <version>5.9</version>
-          </dependency>
-        </dependencies>
-      </plugin>
       <plugin>
         <groupId>org.eluder.coveralls</groupId>
         <artifactId>coveralls-maven-plugin</artifactId>
@@ -251,5 +218,50 @@
       </plugin>
     </plugins>
   </build>
+  <profiles>
+    <profile>
+      <id>java8</id>
+      <activation>
+        <jdk>[,1.9)</jdk>
+      </activation>
+      <build>
+        <plugins>
+          <plugin>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-checkstyle-plugin</artifactId>
+            <version>2.13</version>
+            <configuration>
+              <configLocation>checkstyle.xml</configLocation>
+              <consoleOutput>true</consoleOutput>
+              <failOnViolation>true</failOnViolation>
+              <failsOnError>true</failsOnError>
+              <includeTestSourceDirectory>true</includeTestSourceDirectory>
+              <maxAllowedViolations>0</maxAllowedViolations>
+            </configuration>
+            <executions>
+              <execution>
+                <id>checkstyle</id>
+                <phase>process-sources</phase>
+                <goals>
+                  <goal>check</goal>
+                </goals>
+                <configuration>
+                  <failOnViolation>true</failOnViolation>
+                  <failsOnError>true</failsOnError>
+                </configuration>
+              </execution>
+            </executions>
+            <dependencies>
+              <dependency>
+                <groupId>com.puppycrawl.tools</groupId>
+                <artifactId>checkstyle</artifactId>
+                <version>5.9</version>
+              </dependency>
+            </dependencies>
+          </plugin>
+        </plugins>
+      </build>
+    </profile>
+  </profiles>
 </project>
 
diff --git a/src/test/java/com/spotify/folsom/RecoveryTest.java b/src/test/java/com/spotify/folsom/RecoveryTest.java
index d1668422..5b01c68a 100644
--- a/src/test/java/com/spotify/folsom/RecoveryTest.java
+++ b/src/test/java/com/spotify/folsom/RecoveryTest.java
@@ -92,7 +92,7 @@ public void testOverloadAndTimeoutRecovery() throws Exception {
 
     // Have memcached block indefinitely on all GET requests
     final GetAnswer answer = new GetAnswer();
-    when(cache.get(any(Key[].class))).then(answer);
+    when(cache.get((Key[]) any())).then(answer);
 
     // Overload the client
     final int overload = 10;