diff --git a/armadillo-8.400.0.tar.xz b/armadillo-8.400.0.tar.xz
deleted file mode 100644
index 76283e9..0000000
--- a/armadillo-8.400.0.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:5cb6bc2f457a9d6a0758cfb15c418d48289909daccd79d0e428452029285dd9b
-size 4596860
diff --git a/armadillo-8.500.1.tar.xz b/armadillo-8.500.1.tar.xz
new file mode 100644
index 0000000..871497f
--- /dev/null
+++ b/armadillo-8.500.1.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ace40efbe2df4b418ec713c71bbd20cedfa92a55015f810639319dec477aa12e
+size 4772340
diff --git a/armadillo.changes b/armadillo.changes
index d513ce0..94008fd 100644
--- a/armadillo.changes
+++ b/armadillo.changes
@@ -1,3 +1,20 @@
+-------------------------------------------------------------------
+Wed May 16 07:44:11 UTC 2018 - badshah400@gmail.com
+
+- Update to version 8.500.1:
+  + Faster handling of sparse matrices by kron() and repmat().
+  + Faster transpose of sparse matrices.
+  + Faster element access in sparse matrices.
+  + Faster row iterators for sparse matrices.
+  + Faster handling of compound expressions by trace().
+  + More efficient handling of aliasing in submatrix views.
+  + Expanded normalise() to handle sparse matrices.
+  + Expanded .transform() and .for_each() to handle sparse
+    matrices.
+  + Added reverse() for reversing order of elements.
+  + Added repelem() for replicating elements.
+  + Added roots() for finding the roots of a polynomial.
+
 -------------------------------------------------------------------
 Wed Feb 21 14:53:47 UTC 2018 - badshah400@gmail.com
 
diff --git a/armadillo.spec b/armadillo.spec
index 65c9c84..35650c8 100644
--- a/armadillo.spec
+++ b/armadillo.spec
@@ -18,7 +18,7 @@
 
 %define soname libarmadillo8
 Name:           armadillo
-Version:        8.400.0
+Version:        8.500.1
 Release:        0
 Summary:        C++ matrix library with interfaces to LAPACK and ATLAS
 License:        Apache-2.0