diff --git a/pipeline-model-definition/src/test/java/org/jenkinsci/plugins/pipeline/modeldefinition/ParallelTest.java b/pipeline-model-definition/src/test/java/org/jenkinsci/plugins/pipeline/modeldefinition/ParallelTest.java
index 94956e03a..4687881aa 100644
--- a/pipeline-model-definition/src/test/java/org/jenkinsci/plugins/pipeline/modeldefinition/ParallelTest.java
+++ b/pipeline-model-definition/src/test/java/org/jenkinsci/plugins/pipeline/modeldefinition/ParallelTest.java
@@ -444,4 +444,13 @@ public void parallelInput() throws Exception {
         j.assertLogContains("Two Continues", b);
     }
 
+    @Issue("JENKINS-73726")
+    @Test
+    public void parallelErrorPost() throws Exception {
+        expect(Result.FAILURE, "parallel/parallelErrorPost")
+            .logContains("the final failure block")
+            .hasFailureCase()
+            .go();
+    }
+
 }
diff --git a/pipeline-model-definition/src/test/resources/parallel/parallelErrorPost.groovy b/pipeline-model-definition/src/test/resources/parallel/parallelErrorPost.groovy
new file mode 100644
index 000000000..21f4c69aa
--- /dev/null
+++ b/pipeline-model-definition/src/test/resources/parallel/parallelErrorPost.groovy
@@ -0,0 +1,33 @@
+pipeline {
+    options {
+        parallelsAlwaysFailFast()
+        skipDefaultCheckout()
+    }
+    agent none
+    stages {
+        stage('fails') {
+            steps {
+                error 'some problem'
+            }
+        }
+        stage('parallels') {
+            parallel {
+                stage('branch-1') {
+                    steps {
+                        echo 'branch 1'
+                    }
+                }
+                stage('branch-2') {
+                    steps {
+                        echo 'branch 2'
+                    }
+                }
+            }
+        }
+    }
+    post {
+        failure {
+            echo 'the final failure block'
+        }
+    }
+}
diff --git a/pom.xml b/pom.xml
index 95451c8cf..4ccf836e5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -83,7 +83,7 @@
       <dependency>
         <groupId>org.jenkins-ci.plugins.workflow</groupId>
         <artifactId>workflow-cps</artifactId>
-        <version>3953.v19f11da_8d2fa_</version>
+        <version>3961.ve48ee2c44a_b_3</version>
       </dependency>
       <dependency>
         <groupId>org.jenkins-ci.main</groupId>