diff --git a/armadillo-3.810.0.tar.gz b/armadillo-3.810.0.tar.gz
deleted file mode 100644
index 15e084c..0000000
--- a/armadillo-3.810.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:588f17fcfce2604f2bbe0d7e259ddcb5eb00585b8af23a0842c448a3b57b8a0b
-size 3207649
diff --git a/armadillo-3.820.0.tar.gz b/armadillo-3.820.0.tar.gz
new file mode 100644
index 0000000..2775d89
--- /dev/null
+++ b/armadillo-3.820.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:495f19dc5421708ed3951d81090ce1bfa46a7f42a5a911b32eec8048e8081802
+size 3210507
diff --git a/armadillo.changes b/armadillo.changes
index 87c977d..a6f7b2b 100644
--- a/armadillo.changes
+++ b/armadillo.changes
@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Sun May 12 21:07:19 UTC 2013 - badshah400@gmail.com
+
+- Update to version 3.820.0 (Mt Cootha):
+  + Faster as_scalar() for compound expressions
+  + Faster transpose of small vectors
+  + Faster matrix-vector product for small vectors
+  + Faster multiplication of small fixed size matrices.
+
 -------------------------------------------------------------------
 Fri Apr 19 13:43:45 UTC 2013 - badshah400@gmail.com
 
diff --git a/armadillo.spec b/armadillo.spec
index bba940b..2a16cad 100644
--- a/armadillo.spec
+++ b/armadillo.spec
@@ -17,7 +17,7 @@
 
 
 Name:           armadillo
-Version:        3.810.0
+Version:        3.820.0
 Release:        0
 Summary:        Fast C++ matrix library with interfaces to LAPACK and ATLAS
 License:        MPL-2.0