diff --git a/CHANGELOG.md b/CHANGELOG.md
index 153d171..2f96e40 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## Version 2.2.2 (2020-02-28)
+
+Library change:
+
+- Fixed an incompatibility with newly-released `msgpack 1.0`.
+
 ## Version 2.2.1 (2019-02-05)
 
 Library changes:
diff --git a/setup.py b/setup.py
index 7717c64..014624f 100755
--- a/setup.py
+++ b/setup.py
@@ -35,7 +35,7 @@ if sys.version_info < (3, 4):
 
 setup(
     name="wordfreq",
-    version='2.2.1',
+    version='2.2.2',
     maintainer='Robyn Speer',
     maintainer_email='rspeer@luminoso.com',
     url='http://github.com/LuminosoInsight/wordfreq/',
diff --git a/wordfreq/chinese.py b/wordfreq/chinese.py
index c8215fc..61e931a 100644
--- a/wordfreq/chinese.py
+++ b/wordfreq/chinese.py
@@ -6,7 +6,7 @@ import gzip
 DICT_FILENAME = resource_filename('wordfreq', 'data/jieba_zh.txt')
 ORIG_DICT_FILENAME = resource_filename('wordfreq', 'data/jieba_zh_orig.txt')
 SIMP_MAP_FILENAME = resource_filename('wordfreq', 'data/_chinese_mapping.msgpack.gz')
-SIMPLIFIED_MAP = msgpack.load(gzip.open(SIMP_MAP_FILENAME), raw=False)
+SIMPLIFIED_MAP = msgpack.load(gzip.open(SIMP_MAP_FILENAME), raw=False, strict_map_key=False)
 jieba_tokenizer = None
 jieba_orig_tokenizer = None