diff --git a/armadillo-4.550.2.tar.gz b/armadillo-4.550.2.tar.gz
deleted file mode 100644
index d21ef16..0000000
--- a/armadillo-4.550.2.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:0f7c45f1af9220016f02b12288bc8b05b5afcf5eb5518f8b864a52c0acae2493
-size 5344797
diff --git a/armadillo-4.550.4.tar.gz b/armadillo-4.550.4.tar.gz
new file mode 100644
index 0000000..f4b4f20
--- /dev/null
+++ b/armadillo-4.550.4.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:779e6477bd3dedf568b13638a24d5ea97a0adecad9d1f457b119912ed7ada19c
+size 5344710
diff --git a/armadillo.changes b/armadillo.changes
index 6ebf60c..e91377d 100644
--- a/armadillo.changes
+++ b/armadillo.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Sat Dec 27 01:44:31 UTC 2014 - badshah400@gmail.com
+
+- Update to version 4.550.4: 
+  + List of changes not documented upstream.
+- Update to version 4.550.3: 
+  + List of changes not documented upstream.
+
 -------------------------------------------------------------------
 Tue Dec  2 00:55:41 UTC 2014 - badshah400@gmail.com
 
diff --git a/armadillo.spec b/armadillo.spec
index 121637a..bda9edb 100644
--- a/armadillo.spec
+++ b/armadillo.spec
@@ -19,7 +19,7 @@
 %define soname libarmadillo4
 
 Name:           armadillo
-Version:        4.550.2
+Version:        4.550.4
 Release:        0
 Summary:        Fast C++ matrix library with interfaces to LAPACK and ATLAS
 License:        MPL-2.0