diff --git a/Jenkinsfile b/Jenkinsfile
index cba0ed1..041aa24 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -34,7 +34,7 @@
       }
       agent {
         docker {
-          label 'ubuntu'
+          label 'ubuntu && !H28 && !H36 && !H40'
           image 'apachedirectory/maven-build:jdk-8'
           args '-v $HOME/.m2:/home/hnelson/.m2'
         }
@@ -57,7 +57,7 @@
           }
           agent {
             docker {
-              label 'ubuntu'
+              label 'ubuntu && !H28 && !H36 && !H40'
               image 'apachedirectory/maven-build:jdk-8'
               args '-v $HOME/.m2:/home/hnelson/.m2'
             }
@@ -79,7 +79,7 @@
           }
           agent {
             docker {
-              label 'ubuntu'
+              label 'ubuntu && !H28 && !H36 && !H40'
               image 'apachedirectory/maven-build:jdk-11'
               args '-v $HOME/.m2:/home/hnelson/.m2'
             }
@@ -100,7 +100,7 @@
           }
           agent {
             docker {
-              label 'ubuntu'
+              label 'ubuntu && !H28 && !H36 && !H40'
               image 'apachedirectory/maven-build:jdk-12'
               args '-v $HOME/.m2:/home/hnelson/.m2'
             }
@@ -143,7 +143,7 @@
         retry(2)
       }
       agent {
-        label 'ubuntu'
+        label 'ubuntu && !H28 && !H36 && !H40'
       }
       // https://cwiki.apache.org/confluence/display/INFRA/JDK+Installation+Matrix
       // https://cwiki.apache.org/confluence/display/INFRA/Maven+Installation+Matrix