diff --git a/armadillo-9.500.2.tar.xz b/armadillo-9.500.2.tar.xz
deleted file mode 100644
index 74905f3..0000000
--- a/armadillo-9.500.2.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:0b1a3e07a6ae4d98c69dd3a6a84262574c88e491c9215147236ee5bf957fd79e
-size 4803768
diff --git a/armadillo-9.600.4.tar.xz b/armadillo-9.600.4.tar.xz
new file mode 100644
index 0000000..a9bcedf
--- /dev/null
+++ b/armadillo-9.600.4.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7dadb6deea48c53417fd82035a8f1f25c04c925e5b3300acd198a359994af0be
+size 4803984
diff --git a/armadillo.changes b/armadillo.changes
index 7d5a798..3980319 100644
--- a/armadillo.changes
+++ b/armadillo.changes
@@ -1,3 +1,15 @@
+-------------------------------------------------------------------
+Tue Jul 16 11:39:07 UTC 2019 - Atri Bhattacharya <badshah400@gmail.com>
+
+- Update to version 9.600.4:
+  * faster handling of sparse submatrices.
+  * faster handling of sparse diagonal views.
+  * faster handling of sparse matrices by symmatu() and symmatl().
+  * faster handling of sparse matrices by join_cols().
+  * expanded clamp() to handle sparse matrices.
+  * added .clean() to replace elements below a threshold with
+    zeros; can be used to sparsify matrices.
+
 -------------------------------------------------------------------
 Tue Jun 25 09:56:07 UTC 2019 - Atri Bhattacharya <badshah400@gmail.com>
 
diff --git a/armadillo.spec b/armadillo.spec
index c73ed59..fd51686 100644
--- a/armadillo.spec
+++ b/armadillo.spec
@@ -18,7 +18,7 @@
 
 %define soname libarmadillo9
 Name:           armadillo
-Version:        9.500.2
+Version:        9.600.4
 Release:        0
 Summary:        C++ matrix library with interfaces to LAPACK and ATLAS
 License:        Apache-2.0