diff --git a/vars/pulp.groovy b/vars/pulp.groovy
index 98c65ad..663490b 100644
--- a/vars/pulp.groovy
+++ b/vars/pulp.groovy
@@ -41,7 +41,7 @@ def exportPackages(
 ) {
     def exportTasks = []
     packages.each {
-        def response = httpRequest authentication: credentials, url: "https://${pulpHost}/pulp/api/v3/content/deb/packages/", httpMode: 'POST', ignoreSslErrors: true, multipartName: "file", timeout: 900, uploadFile: "${it}"
+        def response = httpRequest authentication: credentials, url: "https://${pulpHost}/pulp/api/v3/content/deb/packages/", httpMode: 'POST', ignoreSslErrors: true, multipartName: "file", customHeaders: [[name: 'Transfer-Encoding', value: 'chunked']] timeout: 900, uploadFile: "${it}"
         def jsonResponse = readJSON text: response.content
         exportTasks << jsonResponse['task']
     }