diff --git a/.nupic_modules b/.nupic_modules
index ce4a20611d..9d3547a24c 100644
--- a/.nupic_modules
+++ b/.nupic_modules
@@ -1,3 +1,3 @@
 # Default nupic.core dependencies (override in optional .nupic_config)
 NUPIC_CORE_REMOTE = 'git://github.com/numenta/nupic.core.git'
-NUPIC_CORE_COMMITISH = '957ebe5329defc9b78323aba66e1e0f65cbf1335'
+NUPIC_CORE_COMMITISH = '2deb61f1fadabc6ef96318effceace8bbfbc691f'