diff --git a/pkgs/development/python-modules/thinc/default.nix b/pkgs/development/python-modules/thinc/default.nix
index b32b996ffd6..9272e25a1ba 100644
--- a/pkgs/development/python-modules/thinc/default.nix
+++ b/pkgs/development/python-modules/thinc/default.nix
@@ -60,6 +60,7 @@ buildPythonPackage rec {
 
   postPatch = ''
     substituteInPlace setup.py \
+      --replace "blis>=0.4.0,<0.5.0" "blis>=0.4.0,<1.0" \
       --replace "catalogue>=0.0.7,<1.1.0" "catalogue>=0.0.7,<3.0" \
       --replace "plac>=0.9.6,<1.2.0" "plac>=0.9.6,<2.0" \
       --replace "srsly>=0.0.6,<1.1.0" "srsly>=0.0.6,<3.0"