diff --git a/extra-1.4.1.tar.gz b/extra-1.4.1.tar.gz
deleted file mode 100644
index 6498ecf..0000000
--- a/extra-1.4.1.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:e02ca751533eb44b221a8e6250c70a125627be8fc1c9711092dc3d2668f2d001
-size 31235
diff --git a/extra-1.4.2.tar.gz b/extra-1.4.2.tar.gz
new file mode 100644
index 0000000..8c3dd91
--- /dev/null
+++ b/extra-1.4.2.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0ea699d56bb08ad6e70ee6aaa2069326c2bc76ac347c0f04e94ce38cf3ec30c1
+size 31311
diff --git a/ghc-extra.changes b/ghc-extra.changes
index d11bd95..e0e062b 100644
--- a/ghc-extra.changes
+++ b/ghc-extra.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Sun Sep 20 19:14:27 UTC 2015 - mimi.vx@gmail.com
+
+- update to 1.4.2
+ * Make concatMapM/mapMaybeM faster
+
 -------------------------------------------------------------------
 Fri Aug  7 07:01:42 UTC 2015 - mimi.vx@gmail.com
 
diff --git a/ghc-extra.spec b/ghc-extra.spec
index 71bfc32..419f9ff 100644
--- a/ghc-extra.spec
+++ b/ghc-extra.spec
@@ -21,7 +21,7 @@
 %global debug_package %{nil}
 %bcond_with tests
 Name:           ghc-extra
-Version:        1.4.1
+Version:        1.4.2
 Release:        0
 Summary:        Extra functions I use
 License:        BSD-3-Clause