diff --git a/integration/pom.xml b/integration/pom.xml
index b0cf21a2..7fcf33c7 100644
--- a/integration/pom.xml
+++ b/integration/pom.xml
@@ -31,7 +31,7 @@
       <properties>
         <jetty-maven-plugin.group>org.eclipse.jetty.ee8</jetty-maven-plugin.group>
         <jetty-maven-plugin.artifact>jetty-ee8-maven-plugin</jetty-maven-plugin.artifact>
-        <jetty-maven-plugin.version>12.1.13</jetty-maven-plugin.version>
+        <jetty-maven-plugin.version>12.1.14</jetty-maven-plugin.version>
       </properties>
     </profile>
     <profile>
@@ -42,7 +42,7 @@
       <properties>
         <jetty-maven-plugin.group>org.eclipse.jetty.ee11</jetty-maven-plugin.group>
         <jetty-maven-plugin.artifact>jetty-ee11-maven-plugin</jetty-maven-plugin.artifact>
-        <jetty-maven-plugin.version>12.1.13</jetty-maven-plugin.version>
+        <jetty-maven-plugin.version>12.1.14</jetty-maven-plugin.version>
       </properties>
     </profile>
   </profiles>
diff --git a/integration/simple_rack_test/pom.xml b/integration/simple_rack_test/pom.xml
index 6b6a0de6..b7c5938f 100644
--- a/integration/simple_rack_test/pom.xml
+++ b/integration/simple_rack_test/pom.xml
@@ -18,6 +18,16 @@
         <groupId>org.jruby.maven</groupId>
         <artifactId>jruby-maven-plugin</artifactId>
         <executions>
+          <!-- config/warble.rb packages rack, but jruby-rack 1.2 (unlike 1.3+) does not depend on it,
+               and we must not rely on another integration project having installed it into the shared gem home -->
+          <execution>
+            <id>install-rack</id>
+            <phase>initialize</phase>
+            <goals><goal>jruby</goal></goals>
+            <configuration>
+              <args>-S gem install --no-document --conservative rack:~&gt;2.2.0</args>
+            </configuration>
+          </execution>
           <execution>
             <id>warble</id>
             <phase>pre-integration-test</phase>