diff --git a/c/CESM/CESM-2-foss-2021b.eb b/c/CESM/CESM-2-foss-2021b.eb
new file mode 100644
index 00000000..9bcc3c7a
--- /dev/null
+++ b/c/CESM/CESM-2-foss-2021b.eb
@@ -0,0 +1,19 @@
+easyblock = 'Bundle'
+
+name = 'CESM'
+version = '2'
+
+homepage = 'http://www.cesm.ucar.edu/models/cesm2/'
+description = "Bundle of tools to perform post-processing tasks on CESM data."
+
+toolchain = {'name': 'foss', 'version': '2021b'}
+
+dependencies = [
+    ('Python', '3.9.6'),
+    ('CESM-deps', '2'),
+    ('NCO', '5.0.3'),
+    ('CDO', '2.0.5'),
+    ('ncview', '2.1.8'),
+]
+
+moduleclass = 'geo'