diff --git a/var/spack/repos/builtin/packages/cdo/package.py b/var/spack/repos/builtin/packages/cdo/package.py
index 85f208861a9..47a93450b65 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(
+        "2.1.1",
+        sha256="c29d084ccbda931d71198409fb2d14f99930db6e7a3654b3c0243ceb304755d9",
+        url="https://code.mpimet.mpg.de/attachments/download/27654/cdo-2.1.1.tar.gz",
+    )
     version(
         "2.1.0",
         sha256="b871346c944b05566ab21893827c74616575deaad0b20eacb472b80b1fa528cc",