diff --git a/ghc-bootstrap-helpers.changes b/ghc-bootstrap-helpers.changes
index cf2d938..82d81d1 100644
--- a/ghc-bootstrap-helpers.changes
+++ b/ghc-bootstrap-helpers.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Sep  8 09:28:13 UTC 2020 - Ondřej Súkup <mimi.vx@gmail.com>
+
+- update to 1.1 - update happy to 1.9.20 
+
 -------------------------------------------------------------------
 Tue Jun  2 08:11:28 UTC 2020 - Ondřej Súkup <mimi.vx@gmail.com>
 
diff --git a/ghc-bootstrap-helpers.spec b/ghc-bootstrap-helpers.spec
index c7ed55a..0bd2b64 100644
--- a/ghc-bootstrap-helpers.spec
+++ b/ghc-bootstrap-helpers.spec
@@ -15,15 +15,17 @@
 # Please submit bugfixes or comments via https://bugs.opensuse.org/
 #
 
+%define         alex_ver 3.2.5
+%define         happy_ver 1.20.0
 
 Name:           ghc-bootstrap-helpers
-Version:        1
+Version:        1.1
 Release:        0
 Summary:        Dependencies to build ghc
 License:        BSD-3-Clause AND BSD-2-Clause
 URL:            https://build.opensuse.org/project/show/devel:languages:haskell
-Source:         alex-3.2.5.tar.gz
-Source1:        happy-1.19.12.tar.gz
+Source:         alex-%{alex_ver}.tar.gz
+Source1:        happy-%{happy_ver}.tar.gz
 BuildRequires:  ghc-bootstrap
 # This package is not meant to be used outside OBS
 Requires:       this-is-only-for-build-envs
@@ -35,30 +37,30 @@ Conflicts:      happy
 Prebuild alex and happy for ghc-8.8+ build
 
 Don't use outside GHC-8.8+ build
-% ' Help EMACS syntax highlighting
+
 
 %prep
 %setup -q -c -a0 -a1
 
 %build
-pushd alex-3.2.5
+pushd alex-%{alex_ver}
 /opt/bin/ghc Setup.hs -o cabal
 ./cabal configure --prefix=%{_prefix}
 ./cabal build
 popd
 
-pushd happy-1.19.12
+pushd happy-%{happy_ver}
 /opt/bin/ghc Setup.hs -o cabal
 ./cabal configure --prefix=%{_prefix}
 ./cabal build
 popd
 
 %install
-pushd alex-3.2.5
+pushd alex-%{alex_ver}
 ./cabal copy --destdir=%{buildroot}
 popd
 
-pushd happy-1.19.12
+pushd happy-%{happy_ver}
 ./cabal copy --destdir=%{buildroot}
 popd
 
diff --git a/happy-1.19.12.tar.gz b/happy-1.19.12.tar.gz
deleted file mode 100644
index 3ec8655..0000000
--- a/happy-1.19.12.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:fb9a23e41401711a3b288f93cf0a66db9f97da1ce32ec4fffea4b78a0daeb40f
-size 183254
diff --git a/happy-1.20.0.tar.gz b/happy-1.20.0.tar.gz
new file mode 100644
index 0000000..2845308
--- /dev/null
+++ b/happy-1.20.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3b1d3a8f93a2723b554d9f07b2cd136be1a7b2fcab1855b12b7aab5cbac8868c
+size 184515