diff --git a/.gitignore b/.gitignore
index 8b1544d..9ba39f8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /php-paragonie-constant-time-encoding-d96e63b.tar.gz
 /php-paragonie-constant-time-encoding-6111a38.tar.gz
 /php-paragonie-constant-time-encoding-75e54b9.tar.gz
+/php-paragonie-constant-time-encoding-eccf915.tar.gz
diff --git a/php-paragonie-constant-time-encoding.spec b/php-paragonie-constant-time-encoding.spec
index de57149..f5ca156 100644
--- a/php-paragonie-constant-time-encoding.spec
+++ b/php-paragonie-constant-time-encoding.spec
@@ -5,14 +5,14 @@
 %global github_owner            paragonie
 %global github_name             constant_time_encoding
 
-%global commit0 75e54b9bc1d8eddc59bca721cd0f3d263c70503c
+%global commit0 eccf915f45f911bfb189d1d1638d940ec6ee6e33
 %global shortcommit0 %(c=%{commit0}; echo ${c:0:7})
 
 
 Name:       php-%{composer_vendor}-constant-time-encoding
-Version:    1.0.3
+Version:    2.2.2
 Release:    1%{?dist}
-Summary:    Constant-Time Character Encoding in PHP Projects
+Summary:    Constant-time Implementations of RFC 4648 Encoding
 
 Group:      System Environment/Libraries
 License:    MIT
@@ -22,50 +22,41 @@ Source0:    %{url}/archive/%{commit0}.tar.gz#/%{name}-%{shortcommit0}.tar.gz
 
 BuildArch:  noarch
 
-BuildRequires:  php(language) >= 5.3.0
+BuildRequires:  php(language) >= 7.0
 BuildRequires:  php-mbstring
 BuildRequires:  php-spl
-BuildRequires:  php-pcre
-BuildRequires:  php-composer(fedora/autoloader)
-BuildRequires:  php-composer(paragonie/random_compat)
+BuildRequires:  %{_bindir}/phpab
 BuildRequires:  %{_bindir}/phpunit
 
-Requires:   php(language) >= 5.3.0
+Requires:   php(language) >= 7.0
 Requires:   php-mbstring
 Requires:   php-spl
-Requires:   php-composer(fedora/autoloader)
 
 Provides:   php-composer(%{composer_vendor}/%{composer_project}) = %{version}
 
 %description
 Based on the constant-time base64 implementation made by Steve "Sc00bz" 
-Thomas, this library aims to offer character encoding functions that do not 
-leak information about what you are encoding/decoding via processor cache 
-misses.
+Thomas, this library aims to offer character encoding functions that do 
+not leak information about what you are encoding/decoding via processor 
+cache misses.
 
 %prep
 %setup -n %{github_name}-%{commit0}
 
 %build
-cat <<'AUTOLOAD' | tee src/autoload.php
-<?php
-require_once '%{_datadir}/php/Fedora/Autoloader/autoload.php';
-
-\Fedora\Autoloader\Autoload::addPsr4('ParagonIE\\ConstantTime\\', __DIR__);
-AUTOLOAD
+%{_bindir}/phpab -o src/autoload.php src
 
 %install
 mkdir -p %{buildroot}%{_datadir}/php/%{composer_namespace}
 cp -pr src/* %{buildroot}%{_datadir}/php/%{composer_namespace}
 
 %check
-mkdir vendor
-cat << 'EOF' | tee vendor/autoload.php
-<?php
-require_once '%{buildroot}%{_datadir}/php/%{composer_namespace}/autoload.php';
-require_once '%{_datadir}/php/random_compat/autoload.php';
-EOF
-phpunit --no-coverage --verbose
+%{_bindir}/phpab -o tests/autoload.php tests
+cat <<'AUTOLOAD' | tee -a tests/autoload.php
+require_once 'src/autoload.php';
+AUTOLOAD
+
+%{_bindir}/phpunit tests --verbose --bootstrap=tests/autoload.php
 
 %files
 %dir %{_datadir}/php/ParagonIE
@@ -74,6 +65,11 @@ phpunit --no-coverage --verbose
 %license LICENSE.txt
 
 %changelog
+* Tue May 01 2018 François Kooman <fkooman@tuxed.net> - 2.2.2-1
+- update to 2.2.2 for PHP >= 7
+- update dependencies
+- switch to phpab autoload generator
+
 * Mon Apr 30 2018 François Kooman <fkooman@tuxed.net> - 1.0.3-1
 - update to 1.0.3
 
diff --git a/sources b/sources
index af11804..7a46c42 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (php-paragonie-constant-time-encoding-75e54b9.tar.gz) = f13e4168dfaf1e34ae9d7c560f0814d0f4b6233ba49e9b3d714e55761340ce0c3e5a85d197bf67eb4b6edbd763a4f4f37f48ba6615609fca19236f1f95c98418
+SHA512 (php-paragonie-constant-time-encoding-eccf915.tar.gz) = b982517a163ff2e9f342be2a30759d008668c2e2cd34ad2faa9b88e5baa4d918bbdcdce41f76c738e734a331dc36e14f122fd4746136749f105838aa2268798e