diff --git a/BASHO_RELEASES b/BASHO_RELEASES
index 17583c61..3fb9ab7f 100644
--- a/BASHO_RELEASES
+++ b/BASHO_RELEASES
@@ -1,5 +1,11 @@
+github.com tag 2.0.33 - November 21, 2016
+-----------------------------------------
+mv-bucket-expiry:  - partial branch to enable X-Riak-Meta-Expiry-Base-Seconds
+                     property within enterprise edition
+
 github.com tag 2.0.32 - November 8, 2016
 ----------------------------------------
+ - version shipped with Riak 2.2
 ** additional race condition hardening when faced with two threads on same iterator
 **  (one iterating async_iterator_move() and one closing async_iterator_close())
  - wrap async_iterator_move operations with locked CloseMutex
@@ -8,7 +14,6 @@ github.com tag 2.0.32 - November 8, 2016
 
 github.com tag 2.0.31 - November 1, 2016
 ----------------------------------------
- - version shipped with Riak 2.2
  - includes leveldb 2.0.31 (mv-no-md-expiry & mv-tuning8)
 mv-ref-hardening:   - series of thread hardening changes
                       related to AAE use of iterators. Biggest
diff --git a/c_src/build_deps.sh b/c_src/build_deps.sh
index d9d6bb43..14ad33b4 100755
--- a/c_src/build_deps.sh
+++ b/c_src/build_deps.sh
@@ -8,7 +8,7 @@ if [ `uname -s` = 'SunOS' -a "${POSIX_SHELL}" != "true" ]; then
 fi
 unset POSIX_SHELL # clear it so if we invoke other scripts, they run as ksh as well
 
-LEVELDB_VSN="2.0.31"
+LEVELDB_VSN="2.0.33"
 
 SNAPPY_VSN="1.0.4"
 
diff --git a/c_src/eleveldb.cc b/c_src/eleveldb.cc
index 5b79cbf1..f8ae599f 100644
--- a/c_src/eleveldb.cc
+++ b/c_src/eleveldb.cc
@@ -43,7 +43,7 @@
 #include "leveldb/perf_count.h"
 #define LEVELDB_PLATFORM_POSIX
 #include "util/hot_threads.h"
-#include "leveldb_os/expiry_os.h"
+#include "util/expiry_os.h"
 
 #ifndef INCL_WORKITEMS_H
     #include "workitems.h"
@@ -488,7 +488,7 @@ ERL_NIF_TERM parse_open_option(ErlNifEnv* env, ERL_NIF_TERM item, leveldb::Optio
             if (option[1] == eleveldb::ATOM_TRUE)
             {
                 if (NULL==opts.expiry_module.get())
-                    opts.expiry_module.assign(new leveldb::ExpiryModuleOS);
+                    opts.expiry_module.assign(leveldb::ExpiryModule::CreateExpiryModule());
                 ((leveldb::ExpiryModuleOS *)opts.expiry_module.get())->expiry_enabled = true;
             }   // if
             else
@@ -503,7 +503,7 @@ ERL_NIF_TERM parse_open_option(ErlNifEnv* env, ERL_NIF_TERM item, leveldb::Optio
             if (enif_get_ulong(env, option[1], &minutes))
             {
                 if (NULL==opts.expiry_module.get())
-                    opts.expiry_module.assign(new leveldb::ExpiryModuleOS);
+                    opts.expiry_module.assign(leveldb::ExpiryModule::CreateExpiryModule());
                 ((leveldb::ExpiryModuleOS *)opts.expiry_module.get())->expiry_minutes = minutes;
             }   // if
         }   // else if
@@ -512,7 +512,7 @@ ERL_NIF_TERM parse_open_option(ErlNifEnv* env, ERL_NIF_TERM item, leveldb::Optio
             if (option[1] == eleveldb::ATOM_TRUE)
             {
                 if (NULL==opts.expiry_module.get())
-                    opts.expiry_module.assign(new leveldb::ExpiryModuleOS);
+                    opts.expiry_module.assign(leveldb::ExpiryModule::CreateExpiryModule());
                 ((leveldb::ExpiryModuleOS *)opts.expiry_module.get())->whole_file_expiry = true;
             }   // if
             else