diff --git a/requirements.txt b/requirements.txt
index 641c04a62..47dc54da6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,5 @@
 # Our libraries
+spacy-legacy>=3.0.0.dev0,<3.1.0
 cymem>=2.0.2,<2.1.0
 preshed>=3.0.2,<3.1.0
 thinc>=8.0.0rc3,<8.1.0
diff --git a/setup.cfg b/setup.cfg
index ac4ab21c9..588155308 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -37,6 +37,7 @@ setup_requires =
     thinc>=8.0.0rc3,<8.1.0
 install_requires =
     # Our libraries
+    spacy-legacy>=3.0.0.dev0,<3.1.0
     murmurhash>=0.28.0,<1.1.0
     cymem>=2.0.2,<2.1.0
     preshed>=3.0.2,<3.1.0