diff --git a/0001-Disable-tests-requiring-network-access.patch b/0001-Disable-tests-requiring-network-access.patch
new file mode 100644
index 0000000..62cb1b6
--- /dev/null
+++ b/0001-Disable-tests-requiring-network-access.patch
@@ -0,0 +1,146 @@
+From 72b14aa3c437984f15e026aeb3976de978e19436 Mon Sep 17 00:00:00 2001
+From: Marian Koncek <mkoncek@redhat.com>
+Date: Mon, 4 Mar 2019 14:52:59 +0100
+Subject: [PATCH] Disable tests requiring network access
+
+---
+ .../assertj/XmlAssertNodesByXPathTest.java    |  8 ---
+ .../assertj/XmlAssertValidationTest.java      | 51 -------------------
+ .../assertj/XmlAssertValueByXPathTest.java    |  8 ---
+ .../matchers/ValidationMatcherTest.java       | 13 -----
+ 4 files changed, 80 deletions(-)
+
+diff --git a/xmlunit-assertj/src/test/java/org/xmlunit/assertj/XmlAssertNodesByXPathTest.java b/xmlunit-assertj/src/test/java/org/xmlunit/assertj/XmlAssertNodesByXPathTest.java
+index 6499f67..71267c3 100644
+--- a/xmlunit-assertj/src/test/java/org/xmlunit/assertj/XmlAssertNodesByXPathTest.java
++++ b/xmlunit-assertj/src/test/java/org/xmlunit/assertj/XmlAssertNodesByXPathTest.java
+@@ -42,14 +42,6 @@ public class XmlAssertNodesByXPathTest {
+         assertThat(null).nodesByXPath("//foo");
+     }
+ 
+-    @Test
+-    public void testNodesByXPath_withNull_shouldFailed() {
+-
+-        thrown.expectAssertionError(format("%nExpecting not blank but was:<null>"));
+-
+-        assertThat("<a><b></b><c/></a>").nodesByXPath(null);
+-    }
+-
+     @Test
+     public void testNodesByXPath_withWhitespacesOnly_shouldFailed() {
+ 
+diff --git a/xmlunit-assertj/src/test/java/org/xmlunit/assertj/XmlAssertValidationTest.java b/xmlunit-assertj/src/test/java/org/xmlunit/assertj/XmlAssertValidationTest.java
+index cfa46ce..8031ede 100644
+--- a/xmlunit-assertj/src/test/java/org/xmlunit/assertj/XmlAssertValidationTest.java
++++ b/xmlunit-assertj/src/test/java/org/xmlunit/assertj/XmlAssertValidationTest.java
+@@ -82,47 +82,6 @@ public class XmlAssertValidationTest {
+         assertThat(xml).isValidAgainst(xsd);
+     }
+ 
+-    @Test
+-    public void testIsValidAgainst_withEmptySourcesArray_shouldPass() {
+-
+-        StreamSource xml = new StreamSource(new File("../test-resources/BookXsdGenerated.xml"));
+-
+-        assertThat(xml).isValidAgainst();
+-        assertThat(xml).isValidAgainst(new Object[0]);
+-    }
+-
+-    @Test
+-    public void testIsValidAgainst_withBrokenXmlAndEmptySourcesArray_shouldFailed() {
+-
+-        thrown.expectAssertionError("1. line=9; column=8; type=ERROR;" +
+-                " message=cvc-complex-type.2.4.b: The content of element 'Book' is not complete." +
+-                " One of '{\"https://www.xmlunit.org/publishing\":Publisher}' is expected.");
+-
+-        StreamSource xml = new StreamSource(new File("../test-resources/invalidBook.xml"));
+-
+-        assertThat(xml).isValidAgainst();
+-    }
+-
+-    @Test
+-    public void testIsValid_shouldPass() {
+-
+-        StreamSource xml = new StreamSource(new File("../test-resources/BookXsdGenerated.xml"));
+-
+-        assertThat(xml).isValid();
+-    }
+-
+-    @Test
+-    public void testIsValid_withBrokenXml_shouldPass() {
+-
+-        thrown.expectAssertionError("1. line=9; column=8; type=ERROR;" +
+-                " message=cvc-complex-type.2.4.b: The content of element 'Book' is not complete." +
+-                " One of '{\"https://www.xmlunit.org/publishing\":Publisher}' is expected.");
+-
+-        StreamSource xml = new StreamSource(new File("../test-resources/invalidBook.xml"));
+-
+-        assertThat(xml).isValid();
+-    }
+-
+     @Test
+     public void testIsInvalid_withBrokenXml_shouldPass() {
+ 
+@@ -131,16 +90,6 @@ public class XmlAssertValidationTest {
+         assertThat(xml).isInvalid();
+     }
+ 
+-    @Test
+-    public void testIsInvalid_shouldField() {
+-
+-        thrown.expectAssertionErrorPattern("^\\nExpecting:\\n <.*\\.\\.\\/test-resources\\/BookXsdGenerated.xml>\\nto be invalid");
+-
+-        StreamSource xml = new StreamSource(new File("../test-resources/BookXsdGenerated.xml"));
+-
+-        assertThat(xml).isInvalid();
+-    }
+-
+     @Test
+     public void testIsValidAgainst_withNullSchemaSources_shouldFailed() {
+ 
+diff --git a/xmlunit-assertj/src/test/java/org/xmlunit/assertj/XmlAssertValueByXPathTest.java b/xmlunit-assertj/src/test/java/org/xmlunit/assertj/XmlAssertValueByXPathTest.java
+index 4aaf96b..d3a9cdd 100644
+--- a/xmlunit-assertj/src/test/java/org/xmlunit/assertj/XmlAssertValueByXPathTest.java
++++ b/xmlunit-assertj/src/test/java/org/xmlunit/assertj/XmlAssertValueByXPathTest.java
+@@ -25,14 +25,6 @@ public class XmlAssertValueByXPathTest {
+     @Rule
+     public ExpectedException thrown = none();
+ 
+-    @Test
+-    public void testValueByXPath_withNull_shouldFailed() {
+-
+-        thrown.expectAssertionError(format("%nExpecting not blank but was:<null>"));
+-
+-        assertThat("<a><b></b><c/></a>").valueByXPath(null);
+-    }
+-
+     @Test
+     public void testValueByXPath_withWhitespacesOnly_shouldFailed() {
+ 
+diff --git a/xmlunit-matchers/src/test/java/org/xmlunit/matchers/ValidationMatcherTest.java b/xmlunit-matchers/src/test/java/org/xmlunit/matchers/ValidationMatcherTest.java
+index 793e26a..eb4e9fa 100644
+--- a/xmlunit-matchers/src/test/java/org/xmlunit/matchers/ValidationMatcherTest.java
++++ b/xmlunit-matchers/src/test/java/org/xmlunit/matchers/ValidationMatcherTest.java
+@@ -76,19 +76,6 @@ public class ValidationMatcherTest {
+                    is(valid(new StreamSource(new File("../test-resources/Book.xsd")))));
+     }
+ 
+-    @Test
+-    public void shouldSuccessfullyValidateInstanceWithoutExplicitSchemaSource() {
+-        try {
+-            Class.forName("java.nio.file.FileSystem");
+-        } catch (Throwable t) {
+-            assumeTrue("Skipping on Java6 as it doesn't like xmlunit.org's certificate",
+-                       false);
+-        }
+-        assertThat(new StreamSource(new File("../test-resources/BookXsdGenerated.xml")),
+-                   is(new ValidationMatcher()));
+-
+-    }
+-
+     @Test(expected = AssertionError.class)
+     public void shouldThrowOnBrokenInstanceWithoutExplicitSchemaSource() {
+         assertThat(new StreamSource(new File("../test-resources/invalidBook.xml")),
+-- 
+2.20.1
+