diff --git a/.gitignore b/.gitignore
index e1caa32..8a5dacc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
+/results_*
+/*.src.rpm
+
 /beust-jcommander-1.17.tar.xz
 /jcommander-1.30.tar.gz
 /jcommander-1.35.tar.gz
@@ -12,3 +15,5 @@
 /1.66.tar.gz
 /1.71.tar.gz
 /beust-jcommander-1.71.tar.gz
+/beust-jcommander-1.75.tar.gz
+/beust-jcommander-1.78.tar.gz
diff --git a/beust-jcommander.pom b/beust-jcommander.pom
index f36c4ad..d34ebbe 100644
--- a/beust-jcommander.pom
+++ b/beust-jcommander.pom
@@ -74,12 +74,6 @@
     </developer>
   </developers>
 
-  <parent>
-    <groupId>org.sonatype.oss</groupId>
-    <artifactId>oss-parent</artifactId>
-    <version>3</version>
-  </parent>
-
   <build>
     <plugins>
       <!-- Compilation -->
diff --git a/beust-jcommander.spec b/beust-jcommander.spec
index 06c1da7..3c8524d 100644
--- a/beust-jcommander.spec
+++ b/beust-jcommander.spec
@@ -1,6 +1,6 @@
 Name:           beust-jcommander
-Version:        1.71
-Release:        7%{?dist}
+Version:        1.78
+Release:        1%{?dist}
 Summary:        Java framework for parsing command line parameters
 License:        ASL 2.0
 URL:            http://jcommander.org/
@@ -10,14 +10,13 @@ BuildArch:      noarch
 Source0:        %{name}-%{version}.tar.gz
 # Adapted from earlier version that still shipped poms. It uses kobalt for building now
 Source1:        %{name}.pom
-# Cleaned up bundled jars hose licensing cannot be easily verified
+# Cleaned up bundled jars whose licensing cannot be easily verified
 Source2:        generate-tarball.sh
 
-Patch0: 0001-ParseValues-NullPointerException-patch.patch 
+Patch0:         0001-ParseValues-NullPointerException-patch.patch
 
 BuildRequires:  maven-local
 BuildRequires:  mvn(org.apache.felix:maven-bundle-plugin)
-BuildRequires:  mvn(org.sonatype.oss:oss-parent:pom:)
 BuildRequires:  mvn(org.testng:testng)
 
 %description
@@ -31,7 +30,7 @@ Summary:        API documentation for %{name}
 This package contains the %{summary}.
 
 %prep
-%setup -q -n jcommander-%{version}
+%setup -q
 %patch0 -p1
 
 chmod -x license.txt
@@ -52,6 +51,10 @@ sed -i 's/@VERSION@/%{version}/g' pom.xml
 %doc license.txt notice.md
 
 %changelog
+* Sat Nov 09 2019 Fabio Valentini <decathorpe@gmail.com> - 1.78-1
+- Update to version 1.78.
+- Remove unnecessary parent from POM file.
+
 * Wed Jul 24 2019 Fedora Release Engineering <releng@fedoraproject.org> - 1.71-7
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
 
@@ -148,3 +151,4 @@ sed -i 's/@VERSION@/%{version}/g' pom.xml
 
 * Fri May 13 2011 Jaromir Capik <jcapik@redhat.com> - 1.17-1
 - Initial version of the package
+
diff --git a/generate-tarball.sh b/generate-tarball.sh
index cb89cee..034b6b3 100755
--- a/generate-tarball.sh
+++ b/generate-tarball.sh
@@ -1,20 +1,26 @@
 #!/bin/bash
+
 set -e
 
-name=beust-jcommander
+# This commit refers to the state of the sources when they were published to
+# Maven Central
+git_tag='dcf154b6d40dd3865e317de7250b7019044543a9'
 version="$(sed -n 's/Version:\s*//p' *.spec)"
 
-# RETRIEVE
-wget "https://github.com/cbeust/jcommander/archive/${version}.tar.gz" -O "${name}-${version}.orig.tar.gz"
+# Retrieve and set version
+git clone https://github.com/cbeust/jcommander.git
 
-rm -rf tarball-tmp
-mkdir tarball-tmp
-cd tarball-tmp
-tar xf "../${name}-${version}.orig.tar.gz"
+pushd jcommander
+git reset --hard "${git_tag}"
 
-# CLEAN TARBALL
-rm -r */gradle* */kobalt* */lib
+# Clean
+find -name '*.jar' -delete
+find -name '*.class' -delete
+rm -rf gradle* kobalt* lib
+rm -rf .git
+popd
 
-tar cf "../${name}-${version}.tar.gz" *
-cd ..
-rm -r tarball-tmp "${name}-${version}.orig.tar.gz"
+# Pack into tarball
+mv jcommander beust-jcommander-"${version}"
+tar -cvf beust-jcommander-"${version}".tar.gz beust-jcommander-"${version}"/
+rm -rf beust-jcommander-"${version}"
diff --git a/sources b/sources
index fc08321..0be1842 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (beust-jcommander-1.71.tar.gz) = a3f7061f3afacd57092f62b9f8540a1f1e210ad6efc7f41ae10cee725a546b4cdcecee4a4f7056224936a59be18b11f2547002ec18be36626847b79a27a081d1
+SHA512 (beust-jcommander-1.78.tar.gz) = 618367d1644bf0423c3184bd4a6be73571c1b2de243bb7dad4e72d5a3023bf30116c0e5337088e0e4d1f42f24ba94b0fddaedcd3e54613c335d068edeaddfaef