diff --git a/fast-logger-2.4.3.tar.gz b/fast-logger-2.4.3.tar.gz
deleted file mode 100644
index 9c65003..0000000
--- a/fast-logger-2.4.3.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:f85ff0ee8ed3177a749ca9490c703c6f1e2d87191e98096183ae75aa4b9b21d2
-size 6856
diff --git a/fast-logger-2.4.5.tar.gz b/fast-logger-2.4.5.tar.gz
new file mode 100644
index 0000000..a31cfb5
--- /dev/null
+++ b/fast-logger-2.4.5.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6ff04558b53613033b7cfa2d629ea1ea423c2004fba0ced55dd4e2f3483376e5
+size 8995
diff --git a/ghc-fast-logger.changes b/ghc-fast-logger.changes
index f1bed76..f987aa5 100644
--- a/ghc-fast-logger.changes
+++ b/ghc-fast-logger.changes
@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Tue Apr 26 08:23:17 UTC 2016 - mimi.vx@gmail.com
+
+- update to 2.4.5
+- refreshed remove-bytestring-builder.patch
+* Bringing backward compatibility back
+* New API: newFastLogger and ewTimedFastLogger.
+* LogType and date cache are transferred from wai-logger.
+
 -------------------------------------------------------------------
 Wed Apr 13 09:49:04 UTC 2016 - mimi.vx@gmail.com
 
diff --git a/ghc-fast-logger.spec b/ghc-fast-logger.spec
index d332737..f097d65 100644
--- a/ghc-fast-logger.spec
+++ b/ghc-fast-logger.spec
@@ -20,7 +20,7 @@
 %bcond_with tests
 
 Name:           ghc-fast-logger
-Version:        2.4.3
+Version:        2.4.5
 Release:        0
 Summary:        A fast logging system
 Group:          System/Libraries
@@ -39,8 +39,11 @@ BuildRequires:  ghc-array-devel
 BuildRequires:  ghc-auto-update-devel
 BuildRequires:  ghc-bytestring-devel
 BuildRequires:  ghc-directory-devel
+BuildRequires:  ghc-easy-file-devel
 BuildRequires:  ghc-filepath-devel
 BuildRequires:  ghc-text-devel
+BuildRequires:  ghc-unix-devel
+BuildRequires:  ghc-unix-time-devel
 %if %{with tests}
 BuildRequires:  ghc-hspec-devel
 %endif
@@ -95,7 +98,7 @@ This package provides the Haskell %{pkg_name} library development files.
 
 %files devel -f %{name}-devel.files
 %defattr(-,root,root,-)
-%doc README.md
+%doc README.md ChangeLog.md
 
 
 %changelog
diff --git a/remove-bytestring-builder.patch b/remove-bytestring-builder.patch
index 7b66b29..70773f5 100644
--- a/remove-bytestring-builder.patch
+++ b/remove-bytestring-builder.patch
@@ -1,10 +1,10 @@
-diff --git a/fast-logger.cabal.orig b/fast-logger.cabal
-index 25e93d5..d1762b0 100644
---- a/fast-logger.cabal.orig
-+++ b/fast-logger.cabal
-@@ -23,7 +23,6 @@ Library
-                       , array
+Index: fast-logger-2.4.5/fast-logger.cabal
+===================================================================
+--- fast-logger-2.4.5.orig/fast-logger.cabal
++++ fast-logger-2.4.5/fast-logger.cabal
+@@ -26,7 +26,6 @@ Library
                        , auto-update >= 0.1.2
+                       , easy-file >= 0.2
                        , bytestring
 -                      , bytestring-builder
                        , directory