diff --git a/openstudiocore/CMakeLists.txt b/openstudiocore/CMakeLists.txt
index c69bf150659..c12c87dc077 100644
--- a/openstudiocore/CMakeLists.txt
+++ b/openstudiocore/CMakeLists.txt
@@ -681,8 +681,8 @@ endif()
 # to update the openstudio gems, you must first update the gems specified in the \dependencies\ruby\Gemfile file
 # next, build the openstudio-gems target of the OpenStudio super-build project (CMakeLists.txt one directory above this)
 # upload the openstudio-gems-DATE.tar.gz to the dependencies location on s3, then update the MD5sum and url below
-set(OPENSTUDIO_GEMS_ZIP_FILENAME "openstudio3-gems-20190225.tar.gz")
-set(OPENSTUDIO_GEMS_ZIP_EXPECTED_MD5 "f0ba400bf6bfce3990cc56c2388b515c")
+set(OPENSTUDIO_GEMS_ZIP_FILENAME "openstudio3-gems-20190307.tar.gz")
+set(OPENSTUDIO_GEMS_ZIP_EXPECTED_MD5 "3dcc9690c1a9969e0824d6e2780df56c")
 
 
 set(OPENSTUDIO_GEMS_ZIP_LOCAL_PATH "${CMAKE_BINARY_DIR}/${OPENSTUDIO_GEMS_ZIP_FILENAME}")