diff --git a/0001-Don-t-use-JAXB-for-converting-bytes-to-hex-string.patch b/0001-Don-t-use-JAXB-for-converting-bytes-to-hex-string.patch
new file mode 100644
index 0000000..415ee9a
--- /dev/null
+++ b/0001-Don-t-use-JAXB-for-converting-bytes-to-hex-string.patch
@@ -0,0 +1,58 @@
+From 336cbdc97f3c7055ebdf858141bfc160fd4d412b Mon Sep 17 00:00:00 2001
+From: Mikolaj Izdebski <mizdebsk@redhat.com>
+Date: Fri, 8 Dec 2017 18:00:54 +0100
+Subject: [PATCH] Don't use JAXB for converting bytes to hex string
+
+---
+ .../java/org/fedoraproject/xmvn/resolver/impl/CacheManager.java   | 8 ++------
+ 1 file changed, 2 insertions(+), 6 deletions(-)
+
+diff --git a/xmvn-core/src/main/java/org/fedoraproject/xmvn/resolver/impl/CacheManager.java b/xmvn-core/src/main/java/org/fedoraproject/xmvn/resolver/impl/CacheManager.java
+index 1d6c193b..0902aa88 100644
+--- a/xmvn-core/src/main/java/org/fedoraproject/xmvn/resolver/impl/CacheManager.java
++++ b/xmvn-core/src/main/java/org/fedoraproject/xmvn/resolver/impl/CacheManager.java
+@@ -16,14 +16,13 @@
+ package org.fedoraproject.xmvn.resolver.impl;
+ 
+ import java.io.IOException;
++import java.math.BigInteger;
+ import java.nio.file.Files;
+ import java.nio.file.Path;
+ import java.nio.file.Paths;
+ import java.security.MessageDigest;
+ import java.security.NoSuchAlgorithmException;
+ 
+-import javax.xml.bind.annotation.adapters.HexBinaryAdapter;
+-
+ /**
+  * @author Mikolaj Izdebski
+  */
+@@ -31,8 +30,6 @@ class CacheManager
+ {
+     private static final String DIGEST_ALGORITHM = "SHA-1";
+ 
+-    private final HexBinaryAdapter hexAdapter;
+-
+     private final MessageDigest digest;
+ 
+     private static volatile Path cacheHome;
+@@ -41,7 +38,6 @@ class CacheManager
+     {
+         try
+         {
+-            hexAdapter = new HexBinaryAdapter();
+             digest = MessageDigest.getInstance( DIGEST_ALGORITHM );
+         }
+         catch ( NoSuchAlgorithmException e )
+@@ -53,7 +49,7 @@ class CacheManager
+     private String hash( Path path )
+         throws IOException
+     {
+-        return hexAdapter.marshal( digest.digest( Files.readAllBytes( path ) ) );
++        return new BigInteger( 1, digest.digest( Files.readAllBytes( path ) ) ).setBit( 160 ).toString( 16 ).substring( 1 ).toUpperCase();
+     }
+ 
+     private static Path getPathDefault( String key, Object defaultValue )
+-- 
+2.14.3
+
diff --git a/xmvn.spec b/xmvn.spec
index 26657c7..753c555 100644
--- a/xmvn.spec
+++ b/xmvn.spec
@@ -10,7 +10,7 @@
 
 Name:           xmvn
 Version:        3.0.0
-Release:        15%{?dist}
+Release:        16%{?dist}
 Summary:        Local Extensions for Apache Maven
 License:        ASL 2.0
 URL:            https://fedora-java.github.io/xmvn/
@@ -23,6 +23,7 @@ Patch1:         0001-Port-to-Gradle-4.2.patch
 Patch2:         0001-Port-to-Gradle-4.3.1.patch
 Patch3:         0001-Support-setting-Xdoclint-none-in-m-javadoc-p-3.0.0.patch
 Patch4:         0001-Fix-configuration-of-aliased-plugins.patch
+Patch5:         0001-Don-t-use-JAXB-for-converting-bytes-to-hex-string.patch
 
 BuildRequires:  maven >= 3.5.0
 BuildRequires:  maven-local
@@ -197,6 +198,7 @@ This package provides %{summary}.
 %patch2 -p1
 %patch3 -p1
 %patch4 -p1
+%patch5 -p1
 
 # Bisect IT has no chances of working in local, offline mode, without
 # network access - it needs to access remote repositories.
@@ -346,6 +348,9 @@ cp -P ${maven_home}/bin/m2.conf %{buildroot}%{_datadir}/%{name}/bin/
 %doc LICENSE NOTICE
 
 %changelog
+* Fri Apr 27 2018 Mikolaj Izdebski <mizdebsk@redhat.com> - 3.0.0-16
+- Remove use of JAXB from xmvn-core to make it work with Java 9
+
 * Thu Apr 19 2018 Michael Simacek <msimacek@redhat.com> - 3.0.0-15
 - Fix maven home lookup and layout to match current maven