diff --git a/CHANGES b/CHANGES
index 67243fe..684a619 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,8 @@
+2.2.0 (3-Mar-2016)
+* Add basic Win32 support, tested via appveyor
+* Use logs library
+* Check buffers have proper lengths in `read` and `write`
+
 2.1.0 (9-Nov-2015)
 * Add `Block.resize` to resize file-backed devices
 * Unit tests now work on OSX
diff --git a/_oasis b/_oasis
index 4517825..982fa16 100644
--- a/_oasis
+++ b/_oasis
@@ -1,6 +1,6 @@
 OASISFormat: 0.4
 Name:        mirage-block-unix
-Version:     2.1.0
+Version:     2.2.0
 Synopsis:    Mirage block driver for Unix
 Authors:     David Scott
 License:     ISC
diff --git a/lib/META b/lib/META
index a97e8de..8c058c5 100644
--- a/lib/META
+++ b/lib/META
@@ -1,6 +1,6 @@
 # OASIS_START
-# DO NOT EDIT (digest: 04a3ce53b0bf0d5e9a030733f4d3403d)
-version = "2.1.0"
+# DO NOT EDIT (digest: c5bccdd293a3ad2e7f8cd0b6ecf3d5e9)
+version = "2.2.0"
 description = "Mirage block driver for Unix"
 requires = "cstruct lwt lwt.unix mirage-types logs"
 archive(byte) = "mirage_block_unix.cma"
diff --git a/setup.ml b/setup.ml
index cff6775..f7b82c8 100644
--- a/setup.ml
+++ b/setup.ml
@@ -1,7 +1,7 @@
 (* setup.ml generated for the first time by OASIS v0.3.0 *)
 
 (* OASIS_START *)
-(* DO NOT EDIT (digest: dcc355237b2bfe256a7f874b124e4540) *)
+(* DO NOT EDIT (digest: a3a85222d0ce0a404accb31a60ff1fe0) *)
 (*
    Regenerated by OASIS v0.4.5
    Visit http://oasis.forge.ocamlcore.org for more information and
@@ -6860,7 +6860,7 @@ let setup_t =
           alpha_features = [];
           beta_features = [];
           name = "mirage-block-unix";
-          version = "2.1.0";
+          version = "2.2.0";
           license =
             OASISLicense.DEP5License
               (OASISLicense.DEP5Unit
@@ -7029,7 +7029,7 @@ let setup_t =
        };
      oasis_fn = Some "_oasis";
      oasis_version = "0.4.5";
-     oasis_digest = Some "1\018\"±\014B\031ÑÑ\012räqsy\150";
+     oasis_digest = Some "Ã\030Fò \011++ª\149Zí°9\bW";
      oasis_exec = None;
      oasis_setup_args = [];
      setup_update = false