diff --git a/.gitignore b/.gitignore
index 8b1544d..0420d2b 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-2132f0f.tar.gz
diff --git a/840f7d9757207c72a3836d303242a74f747bfce3.patch b/840f7d9757207c72a3836d303242a74f747bfce3.patch
new file mode 100644
index 0000000..ecd5c1b
--- /dev/null
+++ b/840f7d9757207c72a3836d303242a74f747bfce3.patch
@@ -0,0 +1,32 @@
+From 840f7d9757207c72a3836d303242a74f747bfce3 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Fran=C3=A7ois=20Kooman?= <fkooman@tuxed.net>
+Date: Fri, 11 May 2018 11:22:21 +0200
+Subject: [PATCH] fix unit tests on older PHP versions by using non-namespaced
+ bools
+
+---
+ src/Base32.php | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/src/Base32.php b/src/Base32.php
+index 4ede73a..265090f 100644
+--- a/src/Base32.php
++++ b/src/Base32.php
+@@ -76,7 +76,7 @@ public static function encode($src)
+      */
+     public static function encodeUnpadded($src)
+     {
+-        return static::doEncode($src, false, false);
++        return static::doEncode($src, \false, \false);
+     }
+ 
+     /**
+@@ -99,7 +99,7 @@ public static function encodeUpper($src)
+      */
+     public static function encodeUpperUnpadded($src)
+     {
+-        return static::doEncode($src, true, false);
++        return static::doEncode($src, \true, \false);
+     }
+ 
+     /**
diff --git a/php-paragonie-constant-time-encoding.spec b/php-paragonie-constant-time-encoding.spec
index de57149..c254a38 100644
--- a/php-paragonie-constant-time-encoding.spec
+++ b/php-paragonie-constant-time-encoding.spec
@@ -5,13 +5,13 @@
 %global github_owner            paragonie
 %global github_name             constant_time_encoding
 
-%global commit0 75e54b9bc1d8eddc59bca721cd0f3d263c70503c
+%global commit0 2132f0f293d856026d7d11bd81b9f4a23a1dc1f6
 %global shortcommit0 %(c=%{commit0}; echo ${c:0:7})
 
 
 Name:       php-%{composer_vendor}-constant-time-encoding
-Version:    1.0.3
-Release:    1%{?dist}
+Version:    1.0.4
+Release:    2%{?dist}
 Summary:    Constant-Time Character Encoding in PHP Projects
 
 Group:      System Environment/Libraries
@@ -19,7 +19,8 @@ License:    MIT
 
 URL:        https://github.com/%{github_owner}/%{github_name}
 Source0:    %{url}/archive/%{commit0}.tar.gz#/%{name}-%{shortcommit0}.tar.gz
-
+# https://github.com/paragonie/constant_time_encoding/pull/16
+Patch0:     840f7d9757207c72a3836d303242a74f747bfce3.patch
 BuildArch:  noarch
 
 BuildRequires:  php(language) >= 5.3.0
@@ -45,6 +46,7 @@ misses.
 
 %prep
 %setup -n %{github_name}-%{commit0}
+%patch0 -p1
 
 %build
 cat <<'AUTOLOAD' | tee src/autoload.php
@@ -74,6 +76,12 @@ phpunit --no-coverage --verbose
 %license LICENSE.txt
 
 %changelog
+* Mon Aug 20 2018 François Kooman <fkooman@tuxed.net> - 1.0.4-2
+- add patch to fix unit tests on EPEL
+
+* Fri May 11 2018 François Kooman <fkooman@tuxed.net> - 1.0.4-1
+- update to 1.0.4
+
 * 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..c9f21b5 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (php-paragonie-constant-time-encoding-75e54b9.tar.gz) = f13e4168dfaf1e34ae9d7c560f0814d0f4b6233ba49e9b3d714e55761340ce0c3e5a85d197bf67eb4b6edbd763a4f4f37f48ba6615609fca19236f1f95c98418
+SHA512 (php-paragonie-constant-time-encoding-2132f0f.tar.gz) = da6bf32743a02b783e5da596bdf7e78a8d2b81db89f2d9fb2cdbe5e65868134cfa2cd57464b765e3e64563f7be3322af316597c0d77fc5d129aa8dfeab2e8fa1