diff --git a/config/packages/arpack.py b/config/packages/arpack.py
index c17eb3f8a..8e87ff2d9 100644
--- a/config/packages/arpack.py
+++ b/config/packages/arpack.py
@@ -18,8 +18,8 @@ def __init__(self,argdb,log):
     self.packagetype    = 'cmake'
     self.installable    = True
     self.downloadable   = True
-    #self.version        = '3.8.0'
-    self.gitcommit      = '5131f792f289c4e63b4cb1f56003e59507910132'
+    self.version        = '3.9.0'
+    #self.gitcommit      = '5131f792f289c4e63b4cb1f56003e59507910132'
     obj = self.version if hasattr(self,'version') else self.gitcommit
     self.url            = 'https://github.com/opencollab/arpack-ng/archive/'+obj+'.tar.gz'
     self.archive        = 'arpack-ng-'+obj+'.tar.gz'