diff --git a/Packages/Optimisation_basic/version b/Packages/Optimisation_basic/version
index 86fc59f2e43..ff58ff61987 100644
--- a/Packages/Optimisation_basic/version
+++ b/Packages/Optimisation_basic/version
@@ -1 +1 @@
-3.8.4 (21 Mar 2001)
+3.8.5 (21 Mar 2001)