diff --git a/libpng-1.6.0beta17.tar.bz2 b/libpng-1.6.0beta17.tar.bz2
deleted file mode 100644
index 5ee06ba..0000000
--- a/libpng-1.6.0beta17.tar.bz2
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:9e42696b9d455eec0e4d4f9c8560784e0f96f786dbe7c71f4f58f66a53c3518f
-size 962185
diff --git a/libpng-1.6.0beta20.tar.bz2 b/libpng-1.6.0beta20.tar.bz2
new file mode 100644
index 0000000..37c7e52
--- /dev/null
+++ b/libpng-1.6.0beta20.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a3bf16363a59ad4fbdeabf1566f6a1dc66d24f12545fb99eabe93182911fd48a
+size 984641
diff --git a/libpng16.changes b/libpng16.changes
index f8aabf5..9ee70eb 100644
--- a/libpng16.changes
+++ b/libpng16.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Mar 29 13:15:43 UTC 2012 - pgajdos@suse.com
+
+- updated to 1.6.0beta20
+
 -------------------------------------------------------------------
 Wed Mar 14 11:28:57 UTC 2012 - pgajdos@suse.com
 
diff --git a/libpng16.spec b/libpng16.spec
index 21a15d8..471f2bd 100644
--- a/libpng16.spec
+++ b/libpng16.spec
@@ -30,7 +30,7 @@ Release:        0
 Summary:        Library for the Portable Network Graphics Format (PNG)
 License:        Zlib
 Group:          System/Libraries
-Source:         libpng-%{version}beta17.tar.bz2
+Source:         libpng-%{version}beta20.tar.bz2
 Source2:        baselibs.conf
 BuildRequires:  libtool
 BuildRequires:  pkg-config
@@ -92,7 +92,7 @@ tools necessary for compiling and linking programs that don't care
 about libpng version.
 
 %prep
-%setup -n libpng-%{version}beta17
+%setup -n libpng-%{version}beta20
 
 %build
 # We'll never use the old pgcc-2.95.1 with the buggy -O3, so having