diff --git a/.github/workflows/wheels.yml b/.github/workflows/wheels.yml
index adbf9b5..60ce925 100644
--- a/.github/workflows/wheels.yml
+++ b/.github/workflows/wheels.yml
@@ -21,6 +21,7 @@ jobs:
         #
 
         package:
+        - cffi
         - Cython
         - debugpy
         - numpy
diff --git a/packages.toml b/packages.toml
index cb0dcb2..497ac15 100644
--- a/packages.toml
+++ b/packages.toml
@@ -1,3 +1,5 @@
+[packages.cffi]
+version = "1.16.0"
 
 [packages.Cython]
 version = "3.0.8"