diff --git a/.gitignore b/.gitignore
index acf52a2..729ea68 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@ libmspack-0.0.20060920alpha.tar.gz
 /libmspack-0.2alpha.tar.gz
 /libmspack-0.3alpha.tar.gz
 /libmspack-0.4alpha.tar.gz
+/libmspack-0.5alpha.tar.gz
diff --git a/libmspack.spec b/libmspack.spec
index e57c8b7..001db60 100644
--- a/libmspack.spec
+++ b/libmspack.spec
@@ -1,6 +1,6 @@
 Name:           libmspack
-Version:        0.4
-Release:        0.4.alpha%{?dist}
+Version:        0.5
+Release:        0.1.alpha%{?dist}
 Summary:        Library for CAB and related files compression and decompression
 
 Group:          System Environment/Libraries
@@ -70,6 +70,9 @@ popd
 
 
 %changelog
+* Tue Mar 03 2015 Dan Horák <dan[at]danny.cz> - 0.5-0.1.alpha
+- updated to 0.5alpha
+
 * Sun Aug 17 2014 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.4-0.4.alpha
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_22_Mass_Rebuild
 
diff --git a/sources b/sources
index 8cddff0..1eaf923 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-1ab10b507259993c74b4c41a88103b59  libmspack-0.4alpha.tar.gz
+3aa3f6b9ef101463270c085478fda1da  libmspack-0.5alpha.tar.gz