diff --git a/var/spack/repos/builtin/packages/intel-tbb/package.py b/var/spack/repos/builtin/packages/intel-tbb/package.py
index 6f86854b4b3..e6f9598c1e0 100644
--- a/var/spack/repos/builtin/packages/intel-tbb/package.py
+++ b/var/spack/repos/builtin/packages/intel-tbb/package.py
@@ -31,6 +31,8 @@ class IntelTbb(CMakePackage, MakefilePackage):
     # patches, filters and url_for_version() below as needed.
 
     version("master", branch="master")
+    version("2021.9.0", sha256="1ce48f34dada7837f510735ff1172f6e2c261b09460e3bf773b49791d247d24e")
+    version("2021.8.0", sha256="eee380323bb7ce864355ed9431f85c43955faaae9e9bce35c62b372d7ffd9f8b")
     version("2021.7.0", sha256="2cae2a80cda7d45dc7c072e4295c675fff5ad8316691f26f40539f7e7e54c0cc")
     version("2021.6.0", sha256="4897dd106d573e9dacda8509ca5af1a0e008755bf9c383ef6777ac490223031f")
     version("2021.5.0", sha256="e5b57537c741400cf6134b428fc1689a649d7d38d9bb9c1b6d64f092ea28178a")