diff --git a/.gitignore b/.gitignore
index 8ab3063..4488815 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /php-phpunitgoodpractices-polyfill-1.0.0-3968a1f.tgz
 /php-phpunitgoodpractices-polyfill-1.1.0-f7c9b77.tgz
+/php-phpunitgoodpractices-traits-1.5.1-10d22ad.tgz
diff --git a/makesrc.sh b/makesrc.sh
index dfd5c2a..62e19db 100755
--- a/makesrc.sh
+++ b/makesrc.sh
@@ -15,7 +15,7 @@ git clone https://github.com/$OWNER/$PROJECT.git $PROJECT-$COMMIT
 echo "Getting commit..."
 pushd $PROJECT-$COMMIT
 git checkout $COMMIT
-cp composer.json ../composer.json
+cp composer.json ../composer-polyfill.json
 popd
 
 echo "Archiving..."
@@ -24,4 +24,28 @@ tar czf $NAME-$VERSION-$SHORT.tgz --exclude .git $PROJECT-$COMMIT
 echo "Cleaning..."
 rm -rf $PROJECT-$COMMIT
 
+PROJECT=Traits
+VERSION=$(sed -n '/^%global tr_version/{s/.* //;p}' $NAME.spec)
+COMMIT=$(sed  -n '/^%global tr_commit/{s/.* //;p}'  $NAME.spec)
+SHORT=${COMMIT:0:7}
+NAME=php-phpunitgoodpractices-traits
+
+echo -e "\nCreate git snapshot\nName=$NAME, Owner=$OWNER, Project=$PROJECT, Version=$VERSION\n"
+
+echo "Cloning..."
+git clone https://github.com/$OWNER/$PROJECT.git $PROJECT-$COMMIT
+
+echo "Getting commit..."
+pushd $PROJECT-$COMMIT
+git checkout $COMMIT
+cp composer.json ../composer-traits.json
+popd
+
+echo "Archiving..."
+tar czf $NAME-$VERSION-$SHORT.tgz --exclude .git $PROJECT-$COMMIT
+
+echo "Cleaning..."
+rm -rf $PROJECT-$COMMIT
+
+
 echo "Done."
diff --git a/php-phpunitgoodpractices-polyfill.spec b/php-phpunitgoodpractices-polyfill.spec
index 3eb9c65..baa8711 100644
--- a/php-phpunitgoodpractices-polyfill.spec
+++ b/php-phpunitgoodpractices-polyfill.spec
@@ -20,10 +20,14 @@
 %global ns_project   Polyfill
 %global php_home     %{_datadir}/php
 %global with_tests   0%{!?_without_tests:1}
+# Traits
+%global tr_commit    10d22ad5e222b5e5eae6941aac91c068397b5127
+%global tr_short     %(c=%{tr_commit}; echo ${c:0:7})
+%global tr_version   1.5.1
 
 Name:           php-%{pk_vendor}-%{pk_project}
 Version:        1.1.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Lacking future-compat polyfills for PHPUnit
 
 Group:          Development/Tools
@@ -31,7 +35,8 @@ License:        MIT
 URL:            https://github.com/%{gh_owner}/%{gh_project}
 # git snapshot to get upstream test suite (none for now)
 Source0:        %{name}-%{version}-%{gh_short}.tgz
-Source1:        makesrc.sh
+Source1:        php-%{pk_vendor}-traits-%{tr_version}-%{tr_short}.tgz
+Source2:        makesrc.sh
 
 BuildArch:      noarch
 %if %{with_tests}
@@ -48,13 +53,15 @@ BuildRequires:  php-fedora-autoloader-devel
 #        "php": "^5.5 || ^7.0",
 #        "phpunit/phpunit": "^4.0 || ^5.3 || ^6.0 || ^7.0"
 Requires:       php(language) >= 5.5
-# ignore phpunit dep, package using it will run the proper phpunit command (and autoloader)
+Requires:      (phpunit7 or phpunit6 or php-phpunit-PHPUnit)
 # From phpcompatinfo report for version 1.0.0
 # nothing
 # Autoloader
 Requires:       php-composer(fedora/autoloader)
 
 Provides:       php-composer(%{pk_vendor}/%{pk_project}) = %{version}
+Provides:       php-%{pk_vendor}-traits = %{tr_version}
+Provides:       php-composer(%{pk_vendor}/traits) = %{tr_version}
 
 
 %description
@@ -64,16 +71,31 @@ Autoloader: %{php_home}/%{ns_vendor}/%{ns_project}/autoload.php
 
 
 %prep
-%setup -q -n %{gh_project}-%{gh_commit}
+%setup -q -n %{gh_project}-%{gh_commit} -a 1
+mv composer.json composer-polyfill.json
+mv LICENSE LICENSE-polyfill
+
+mv Traits-%{tr_commit}/src           src2
+mv Traits-%{tr_commit}/composer.json composer-traits.json
+mv Traits-%{tr_commit}/LICENSE       LICENSE-traits
 
 cat << 'EOF' | tee src/autoload.php
 <?php
 /* autoloader for %{name} */
 
-\Fedora\Autoloader\Autoload::addPsr4('PhpCsFixer\\AccessibleObject\\', __DIR__);
-\Fedora\Autoloader\Dependencies::required([
-    __DIR__ . '/aliases.php',
-]);
+require_once '%{php_home}/Fedora/Autoloader/autoload.php';
+if (!class_exists('PHPUnit\\Framework\\TestCase')) { // Call outside of phpunit command
+    \Fedora\Autoloader\Dependencies::required([
+        [
+            '%{php_home}/PHPUnit7/autoload.php',
+            '%{php_home}/PHPUnit6/autoload.php',
+            '%{php_home}/PHPUnit/Autoload.php',
+        ],
+    ]);
+}
+\Fedora\Autoloader\Autoload::addPsr4('PHPUnitGoodPractices\\Polyfill\\', __DIR__);
+\Fedora\Autoloader\Autoload::addPsr4('PHPUnitGoodPractices\\Traits\\', dirname(__DIR__) . '/Traits');
+require_once __DIR__ . '/aliases.php';
 EOF
 
 
@@ -83,17 +105,25 @@ EOF
 
 %install
 : Library
-mkdir -p   %{buildroot}%{php_home}/%{ns_vendor}
-cp -pr src %{buildroot}%{php_home}/%{ns_vendor}/%{ns_project}
+mkdir -p    %{buildroot}%{php_home}/%{ns_vendor}
+cp -pr src  %{buildroot}%{php_home}/%{ns_vendor}/%{ns_project}
+cp -pr src2 %{buildroot}%{php_home}/%{ns_vendor}/Traits
 
 
 %check
 %if %{with_tests}
 : Minimal check for our autoloader
 php -r '
-require "%{php_home}/PHPUnit/Autoload.php";
 require "%{buildroot}%{php_home}/%{ns_vendor}/%{ns_project}/autoload.php";
 var_dump(PHPUnit\Runner\Version::id());
+if (!trait_exists("PHPUnitGoodPractices\\Polyfill\\PolyfillTrait")) {
+   echo("PolyfillTrait missing\n");
+   exit(1);
+}
+if (!class_exists("PHPUnitGoodPractices\\Traits\\PHPUnitVersionRetriever")) {
+   echo("PHPUnitVersionRetriever missing\n");
+   exit(1);
+}
 '
 %else
 : Test suite disabled
@@ -102,13 +132,19 @@ var_dump(PHPUnit\Runner\Version::id());
 
 %files
 %{!?_licensedir:%global license %%doc}
-%license LICENSE
-%doc composer.json
+%license LICENSE-*
+%doc composer-*.json
 %dir %{php_home}/%{ns_vendor}
      %{php_home}/%{ns_vendor}/%{ns_project}
+     %{php_home}/%{ns_vendor}/Traits
 
 
 %changelog
+* Mon Jun 25 2018 Remi Collet <remi@remirepo.net> - 1.1.0-2
+- add mandatory dependency on one PHPUnit version
+- add phpunitgoodpractices/traits 1.5.1
+- fix autoloader #1594663
+
 * Mon Jun 11 2018 Remi Collet <remi@remirepo.net> - 1.1.0-1
 - update to 1.1.0 (no change)
 - add LICENSE file
diff --git a/sources b/sources
index e314865..67490d9 100644
--- a/sources
+++ b/sources
@@ -1 +1,2 @@
-SHA512 (php-phpunitgoodpractices-polyfill-1.1.0-f7c9b77.tgz) = c1bfff8f110ef65e5d0913db38f36a812a096e6f1bf38741e195ee1c9fa4a3e5359a4090d9ac4976950c8e4563dd591741deac67c34c7d5ca7e8cd7e578ca453
+SHA512 (php-phpunitgoodpractices-polyfill-1.1.0-f7c9b77.tgz) = f6d536bbace9762d3a20129854caef4cddca450f7f07a767989f1d39a5df7a7faa9b08acdf4554882ed9748ce419327451ff6fa244da6e3855d8a9a7a1a5d64a
+SHA512 (php-phpunitgoodpractices-traits-1.5.1-10d22ad.tgz) = 155778546bc78cdc416a882c672ab1a827623e2534fbb7e7d6ff67552ec40ee04b7fb397ca35c54457bd82a0b0785b304e9d9b872f09326cfd4a8b57fa0166ad