diff --git a/requirements.txt b/requirements.txt
index 42910d1be..b6b31d591 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ pathlib
 numpy>=1.7
 cymem>=1.30,<1.32
 preshed>=1.0.0,<2.0.0
-thinc>=6.5.0,<6.6.0
+thinc>=6.6.0,<6.7.0
 murmurhash>=0.26,<0.27
 plac<1.0.0,>=0.9.6
 six
diff --git a/setup.py b/setup.py
index e26579ec1..39f35902f 100755
--- a/setup.py
+++ b/setup.py
@@ -30,6 +30,7 @@ MOD_NAMES = [
     'spacy.syntax._state',
     'spacy.tokenizer',
     'spacy.syntax.parser',
+    'spacy.syntax.nn_parser',
     'spacy.syntax.beam_parser',
     'spacy.syntax.nonproj',
     'spacy.syntax.transition_system',
@@ -190,7 +191,7 @@ def setup_package():
                 'murmurhash>=0.26,<0.27',
                 'cymem>=1.30,<1.32',
                 'preshed>=1.0.0,<2.0.0',
-                'thinc>=6.5.0,<6.6.0',
+                'thinc>=6.6.0,<6.7.0',
                 'plac<1.0.0,>=0.9.6',
                 'six',
                 'pathlib',