diff --git a/.travis.yml b/.travis.yml
index c876016..fc08776 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,7 +11,7 @@ php:
 
 env:
   global:
-    - ARMA_VERSION="9.800.3"
+    - ARMA_VERSION="9.850.1"
     - ARMA_SRC="http://sourceforge.net/projects/arma/files/armadillo-${ARMA_VERSION}.tar.xz"
 
 before_install: