diff --git a/requirements.txt b/requirements.txt
index 8f5aa15d0..cf0c0faa9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ cython>=0.24,<0.28.0
 numpy>=1.7
 cymem>=1.30,<1.32
 preshed>=1.0.0,<2.0.0
-thinc==6.10.3.dev0
+thinc==6.10.3.dev1
 murmurhash>=0.28,<0.29
 plac<1.0.0,>=0.9.6
 ujson>=1.35
diff --git a/setup.py b/setup.py
index 83d894950..ea072654f 100755
--- a/setup.py
+++ b/setup.py
@@ -190,7 +190,7 @@ def setup_package():
                 'murmurhash>=0.28,<0.29',
                 'cymem>=1.30,<1.32',
                 'preshed>=1.0.0,<2.0.0',
-                'thinc==6.10.3.dev0',
+                'thinc==6.10.3.dev1',
                 'plac<1.0.0,>=0.9.6',
                 'ujson>=1.35',
                 'dill>=0.2,<0.3',