diff --git a/pyproject.toml b/pyproject.toml
index e610e603e..a413a099c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ requires = [
     "cymem>=2.0.2,<2.1.0",
     "preshed>=3.0.2,<3.1.0",
     "murmurhash>=0.28.0,<1.1.0",
-    "thinc>=8.0.0a31,<8.0.0a40",
+    "thinc>=8.0.0a33,<8.0.0a40",
     "blis>=0.4.0,<0.5.0",
     "pytokenizations",
     "pathy"
diff --git a/requirements.txt b/requirements.txt
index a67ade640..69477c2d3 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>=8.0.0a31,<8.0.0a40
+thinc>=8.0.0a33,<8.0.0a40
 blis>=0.4.0,<0.5.0
 ml_datasets>=0.2.0
 murmurhash>=0.28.0,<1.1.0
diff --git a/setup.cfg b/setup.cfg
index 10a8972b0..359e63172 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -34,13 +34,13 @@ setup_requires =
     cymem>=2.0.2,<2.1.0
     preshed>=3.0.2,<3.1.0
     murmurhash>=0.28.0,<1.1.0
-    thinc>=8.0.0a31,<8.0.0a40
+    thinc>=8.0.0a33,<8.0.0a40
 install_requires =
     # Our libraries
     murmurhash>=0.28.0,<1.1.0
     cymem>=2.0.2,<2.1.0
     preshed>=3.0.2,<3.1.0
-    thinc>=8.0.0a31,<8.0.0a40
+    thinc>=8.0.0a33,<8.0.0a40
     blis>=0.4.0,<0.5.0
     wasabi>=0.8.0,<1.1.0
     srsly>=2.1.0,<3.0.0