diff --git a/var/spack/repos/builtin/packages/parallelio/package.py b/var/spack/repos/builtin/packages/parallelio/package.py
index 862835dd081085..0e5f0a3444a7f9 100644
--- a/var/spack/repos/builtin/packages/parallelio/package.py
+++ b/var/spack/repos/builtin/packages/parallelio/package.py
@@ -19,6 +19,11 @@ class Parallelio(CMakePackage):
 
     license("Apache-2.0")
 
+    version("2.6.8", sha256="ed6c92129b8a5e2d77587fd9656abc0aa7cf82a26a5ad21f8c6a9a79afa2c301")
+    version("2.6.6", sha256="e32e018a521d38c9424940c7cfa7e9b1931b605f3511ee7ab3a718b69faeeb04")
+    version("2.6.5", sha256="6ae51aa3f76e597a3a840a292ae14eca21359b1a4ea75e476a93aa2088c0677a")
+    version("2.6.4", sha256="cba53e4ca62ff76195b6f76374fbd1530fba18649c975ae2628ddec7fe55fb31")
+    version("2.6.3", sha256="a483eb1cfa88ace8c6266e02741771c984e846dd732e86c72c3fdeae942b4299")
     version("2.6.2", sha256="c318894f0230197458917e932ec66301b4407a744df481e9c6a6d9d85f7e5ab1")
     version("2.6.1", sha256="83d3108d2b9db8219aa6b6ee333cfc12b2a588bcfc781587df5f8b24a716a6eb")
     version("2.6.0", sha256="e56a980c71c7f57f396a88beae08f1670d4adf59be6411cd573fe85868ef98c0")