diff --git a/requirements.txt b/requirements.txt
index 4a75f6be3..e0217f858 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ cython<0.24
 pathlib
 numpy>=1.7
 cymem>=1.30,<1.32
-preshed>=0.46.4,<0.47.0
+preshed>=1.0.0,<2.0.0
 thinc>=6.2.0,<6.3.0
 murmurhash>=0.26,<0.27
 plac<0.9.3
diff --git a/setup.py b/setup.py
index 569b27716..0cbcfb806 100644
--- a/setup.py
+++ b/setup.py
@@ -235,7 +235,7 @@ def setup_package():
                 'numpy>=1.7',
                 'murmurhash>=0.26,<0.27',
                 'cymem>=1.30,<1.32',
-                'preshed>=0.46.0,<0.47.0',
+                'preshed>=1.0.0,<2.0.0',
                 'thinc>=6.2.0,<6.3.0',
                 'plac<0.9.3',
                 'six',