diff --git a/README.rst b/README.rst
index d1856976..7d16b52c 100644
--- a/README.rst
+++ b/README.rst
@@ -209,5 +209,5 @@ Then you can update all the packages that are part of the gprMax environment by
 
 .. code-block:: none
 
-    (gprMax) $ conda update --all
+    (gprMax) $ conda env update -f conda_env.yml