diff --git a/xCAT-test/autotest/testcase/go_xcat/case3 b/xCAT-test/autotest/testcase/go_xcat/case3
index a50aa9f8a..7b6afd7bd 100644
--- a/xCAT-test/autotest/testcase/go_xcat/case3
+++ b/xCAT-test/autotest/testcase/go_xcat/case3
@@ -22,6 +22,9 @@ check:rc==0
 #Install additional packages on Red Hat
 cmd:if xdsh $$CN "grep \"Red Hat\" /etc/*release >/dev/null"; then xdsh $$CN "yum install -y yum-utils dnf-utils bzip2"; fi
 
+#Install additional packages on Ubuntu
+cmd:if xdsh $$CN "grep \"Ubuntu\" /etc/*release >/dev/null"; then xdsh $$CN "DEBIAN_FRONTEND=noninteractive apt-get install -y gnupg"; fi
+
 #Install devel version of xCAT
 cmd:xdsh $$CN "cd /; ./go-xcat --xcat-version=devel -y install"
 check:rc==0
@@ -58,6 +61,9 @@ check:rc==0
 #Install additional packages on Red Hat
 cmd:if xdsh $$CN "grep \"Red Hat\" /etc/*release >/dev/null"; then xdsh $$CN "yum install -y yum-utils dnf-utils bzip2"; fi
 
+#Install additional packages on Ubuntu
+cmd:if xdsh $$CN "grep \"Ubuntu\" /etc/*release >/dev/null"; then xdsh $$CN "DEBIAN_FRONTEND=noninteractive apt-get install -y gnupg"; fi
+
 #Install GA version of xCAT
 cmd:xdsh $$CN "cd /; ./go-xcat -y install"
 check:rc==0
@@ -94,6 +100,9 @@ check:rc==0
 #Install additional packages on Red Hat
 cmd:if xdsh $$CN "grep \"Red Hat\" /etc/*release >/dev/null"; then xdsh $$CN "yum install -y yum-utils dnf-utils bzip2"; fi
 
+#Install additional packages on Ubuntu
+cmd:if xdsh $$CN "grep \"Ubuntu\" /etc/*release >/dev/null"; then xdsh $$CN "DEBIAN_FRONTEND=noninteractive apt-get install -y gnupg"; fi
+
 #Install GA version of xCAT
 cmd:xdsh $$CN "cd /; ./go-xcat -y install"
 check:rc==0
@@ -140,6 +149,9 @@ check:rc==0
 #Install additional packages on Red Hat
 cmd:if xdsh $$CN "grep \"Red Hat\" /etc/*release >/dev/null"; then xdsh $$CN "yum install -y yum-utils dnf-utils bzip2"; fi
 
+#Install additional packages on Ubuntu
+cmd:if xdsh $$CN "grep \"Ubuntu\" /etc/*release >/dev/null"; then xdsh $$CN "DEBIAN_FRONTEND=noninteractive apt-get install -y gnupg"; fi
+
 #Install GA version of xCAT
 cmd:xdsh $$CN "cd /; ./go-xcat -y install"
 check:rc==0