diff --git a/var/spack/repos/builtin/packages/cdo/package.py b/var/spack/repos/builtin/packages/cdo/package.py
index bbc232c0bd8..85f208861a9 100644
--- a/var/spack/repos/builtin/packages/cdo/package.py
+++ b/var/spack/repos/builtin/packages/cdo/package.py
@@ -20,6 +20,11 @@ class Cdo(AutotoolsPackage):
 
     maintainers = ["skosukhin", "Try2Code"]
 
+    version(
+        "2.1.0",
+        sha256="b871346c944b05566ab21893827c74616575deaad0b20eacb472b80b1fa528cc",
+        url="https://code.mpimet.mpg.de/attachments/download/27481/cdo-2.1.0.tar.gz",
+    )
     version(
         "2.0.6",
         sha256="ef120dea9032b1be80a4cfa201958c3b910107205beb6674195675f1ee8ed402",