diff --git a/.gitignore b/.gitignore
index c873485..e735abf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /foundation-0.0.13.tar.gz
 /foundation-0.0.17.tar.gz
 /basement-0.0.4.tar.gz
+/foundation-0.0.20.tar.gz
diff --git a/ghc-foundation.spec b/ghc-foundation.spec
index 26b5675..64c225d 100644
--- a/ghc-foundation.spec
+++ b/ghc-foundation.spec
@@ -7,8 +7,8 @@
 %bcond_with tests
 
 Name:           ghc-%{pkg_name}
-Version:        0.0.17
-Release:        3%{?dist}
+Version:        0.0.20
+Release:        1%{?dist}
 Summary:        Alternative prelude with batteries and no dependencies
 
 License:        BSD
@@ -105,6 +105,9 @@ grep "%{_docdir}/ghc/html/libraries/%{pkgver}" %{name}-devel.files > %{name}-dev
 
 
 %changelog
+* Mon Jul 09 2018 Elliott Sales de Andrade <quantum.analyst@gmail.com> - 0.0.20-1
+- update to 0.0.20
+
 * Fri Feb 23 2018 Jens Petersen <petersen@redhat.com> - 0.0.17-3
 - unbundle basement
 
diff --git a/sources b/sources
index 23a6118..c080cd8 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (foundation-0.0.17.tar.gz) = 121ebf38d3879fb16226a45a09dabadfff1760b390262c8e56a686ec1ea6d759a8149086f53396321ae32919fabf6d70d3e8222e3b0a4fe1b396782490113e42
+SHA512 (foundation-0.0.20.tar.gz) = 283a0e2ce0165d531d17f0c0f14e72b843c67a809d5c7bde4280b23103b30d919c5ddf0cd09918129171ea79d34ad83abfcd3aac9e24d9803595d08cea6aba22