1 files changed, 3 insertions, 0 deletions
diff --git a/setup.py b/setup.py
index 1da40a426a..258094e3ad 100644
--- a/setup.py
+++ b/setup.py
@@ -644,6 +644,9 @@ class PyBuildExt(build_ext):
         # array objects
         exts.append( Extension('array', ['arraymodule.c']) )
 
+        # Context Variables
+        exts.append( Extension('_contextvars', ['_contextvarsmodule.c']) )
+
         shared_math = 'Modules/_math.o'
         # complex math library functions
         exts.append( Extension('cmath', ['cmathmodule.c'],