diff --git a/setup.py b/setup.py
index d0dac8f2d..443cbb648 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@
     install_requires=['aiorpcX[ws]>=0.18.5,<0.19', 'attrs',
                       'plyvel', 'pylru', 'aiohttp>=3.3,<4'],
     extras_require={
-        'rapidjson': ['python-rapidjson>=1.10,<1.11.0'],
+        'rapidjson': ['python-rapidjson>=1.20,<1.21'],
         'rocksdb': ['python-rocksdb>=0.6.9'],
         'ujson': ['ujson>=2.0.0,<4.0.0'],
         'uvloop': ['uvloop>=0.14'],