diff --git a/modello.spec b/modello.spec
index aa59b4b..d4ee335 100644
--- a/modello.spec
+++ b/modello.spec
@@ -1,8 +1,9 @@
 %bcond_without jackson
+%bcond_without snakeyaml
 
 Name:           modello
 Version:        1.9.1
-Release:        5%{?dist}
+Release:        6%{?dist}
 Epoch:          0
 Summary:        Modello Data Model toolkit
 # The majority of files are under MIT license, but some of them are
@@ -28,12 +29,14 @@ BuildRequires:  mvn(org.codehaus.plexus:plexus-container-default)
 BuildRequires:  mvn(org.codehaus.plexus:plexus-utils)
 BuildRequires:  mvn(org.jsoup:jsoup)
 BuildRequires:  mvn(org.sonatype.plexus:plexus-build-api)
-BuildRequires:  mvn(org.yaml:snakeyaml)
 %if %{with jackson}
 BuildRequires:  mvn(com.fasterxml.jackson.core:jackson-annotations)
 BuildRequires:  mvn(com.fasterxml.jackson.core:jackson-core)
 BuildRequires:  mvn(com.fasterxml.jackson.core:jackson-databind)
 %endif
+%if %{with snakeyaml}
+BuildRequires:  mvn(org.yaml:snakeyaml)
+%endif
 
 %description
 Modello is a Data Model toolkit in use by the Apache Maven Project.
@@ -66,6 +69,11 @@ sed -i s/maven-project/maven-core/ modello-maven-plugin/pom.xml
 %pom_remove_dep :modello-plugin-jsonschema modello-maven-plugin
 %endif
 
+%if %{without snakeyaml}
+%pom_disable_module modello-plugin-snakeyaml modello-plugins
+%pom_remove_dep :modello-plugin-snakeyaml modello-maven-plugin
+%endif
+
 %build
 # skip tests because we have too old xmlunit in Fedora now (1.0.8)
 %mvn_build -f -- -Dmaven.version=3.1.1
@@ -76,7 +84,6 @@ sed -i s/maven-project/maven-core/ modello-maven-plugin/pom.xml
 %jpackage_script org.codehaus.modello.ModelloCli "" "" modello:plexus-containers/plexus-container-default:plexus/classworlds:plexus/utils:plexus/plexus-build-api:xbean/xbean-reflect:guava %{name} true
 
 %files -f .mfiles
-%dir %{_javadir}/%{name}
 %doc LICENSE
 %{_bindir}/*
 
@@ -84,6 +91,9 @@ sed -i s/maven-project/maven-core/ modello-maven-plugin/pom.xml
 %doc LICENSE
 
 %changelog
+* Tue Jul 17 2018 Mikolaj Izdebski <mizdebsk@redhat.com> - 0:1.9.1-6
+- Allow conditionally building without snakeyaml
+
 * Fri Jul 13 2018 Fedora Release Engineering <releng@fedoraproject.org> - 0:1.9.1-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild