diff --git a/requirements.txt b/requirements.txt
index 08b4c228a..e5f1ae10b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 # Our libraries
 cymem>=2.0.2,<2.1.0
 preshed>=3.0.2,<3.1.0
-thinc==8.0.0a8
+thinc==8.0.0a9
 blis>=0.4.0,<0.5.0
 ml_datasets>=0.1.1
 murmurhash>=0.28.0,<1.1.0
diff --git a/setup.cfg b/setup.cfg
index 9fe02018b..df1658fd0 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -42,7 +42,7 @@ install_requires =
     murmurhash>=0.28.0,<1.1.0
     cymem>=2.0.2,<2.1.0
     preshed>=3.0.2,<3.1.0
-    thinc==8.0.0a8
+    thinc==8.0.0a9
     blis>=0.4.0,<0.5.0
     wasabi>=0.4.0,<1.1.0
     srsly>=2.0.0,<3.0.0