diff --git a/var/spack/repos/builtin/packages/blt/package.py b/var/spack/repos/builtin/packages/blt/package.py
index 37ac915424..7601e7e393 100644
--- a/var/spack/repos/builtin/packages/blt/package.py
+++ b/var/spack/repos/builtin/packages/blt/package.py
@@ -11,13 +11,14 @@ class Blt(Package):
        Testing large-scale high performance computing (HPC) applications."""
 
     homepage = "https://github.com/LLNL/blt"
-    url      = "https://github.com/LLNL/blt/archive/v0.3.6.tar.gz"
+    url      = "https://github.com/LLNL/blt/archive/v0.4.0.tar.gz"
     git      = "https://github.com/LLNL/blt.git"
 
-    maintainers = ['davidbeckingsale']
+    maintainers = ['white238', 'davidbeckingsale']
 
     version('develop', branch='develop')
     version('main', branch='main')
+    version('0.4.0', sha256='f3bc45d28b9b2eb6df43b75d4f6f89a1557d73d012da7b75bac1be0574767193')
     version('0.3.6', sha256='6276317c29e7ff8524fbea47d9288ddb40ac06e9f9da5e878bf9011e2c99bf71')
     version('0.3.5', sha256='68a1c224bb9203461ae6f5ab0ff3c50b4a58dcce6c2d2799489a1811f425fb84')
     version('0.3.0', sha256='bb917a67cb7335d6721c997ba9c5dca70506006d7bba5e0e50033dd0836481a5')