diff --git a/tycho.spec b/tycho.spec
index 4de5997..2e6e311 100644
--- a/tycho.spec
+++ b/tycho.spec
@@ -27,7 +27,7 @@
 
 Name:           %{?scl_prefix}tycho
 Version:        0.25.0
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Plugins and extensions for building Eclipse plugins and OSGI bundles with Maven
 
 # license file is missing but all files having some licensing information are ASL 2.0
@@ -84,6 +84,9 @@ BuildRequires:  easymock
 BuildRequires:  ecj >= 1:4.5.2-2
 BuildRequires:  maven-plugin-testing-harness
 BuildRequires:  xmvn-parent-pom
+BuildRequires:  maven-plugin-bundle
+BuildRequires:  maven-plugin-plugin
+BuildRequires:  maven-source-plugin
 %if %{tycho_bootstrap}
 BuildRequires:  maven-deploy-plugin
 BuildRequires:  maven-site-plugin
@@ -131,6 +134,10 @@ Requires:       maven-deploy-plugin
 Requires:       maven-install-plugin
 Requires:       maven-site-plugin
 
+# Required by tycho-source-plugin, but XMvn fails to generate
+# auto-requires due to uncommon dependency <type>maven-plugin</type>
+Requires:       maven-source-plugin
+
 %description
 Tycho is a set of Maven plugins and extensions for building Eclipse
 plugins and OSGI bundles with Maven. Eclipse plugins and OSGI bundles
@@ -424,6 +431,9 @@ ln -s %{_javadir}/tycho/org.fedoraproject.p2.jar %{buildroot}%{_datadir}/xmvn/li
 %{_javadocdir}/tycho
 
 %changelog
+* Wed Jun 15 2016 Mikolaj Izdebski <mizdebsk@redhat.com> - 0.25.0-4
+- Add missing requires on maven-source-plugin
+
 * Fri Apr 22 2016 Mat Booth <mat.booth@redhat.com> - 0.25.0-3
 - Require newer ECJ with correct aliases