diff --git a/var/spack/repos/builtin/packages/cray-libsci/package.py b/var/spack/repos/builtin/packages/cray-libsci/package.py
index bb21ecdfefc..b5e00e70716 100755
--- a/var/spack/repos/builtin/packages/cray-libsci/package.py
+++ b/var/spack/repos/builtin/packages/cray-libsci/package.py
@@ -12,6 +12,7 @@ class CrayLibsci(Package):
     homepage = "https://docs.nersc.gov/development/libraries/libsci/"
     has_code = False    # Skip attempts to fetch source that is not available
 
+    version("21.08.1.2")
     version("20.06.1")
     version("20.03.1")
     version("19.06.1")