diff --git a/var/spack/packages/Mitos/package.py b/var/spack/packages/Mitos/package.py
index 37d3522348e6b817a0c372e3ec294f4e73fb08fa..e3c9c7a5c3648b05fb35d2f59f7555bd41fb4ce8 100644
--- a/var/spack/packages/Mitos/package.py
+++ b/var/spack/packages/Mitos/package.py
@@ -9,7 +9,7 @@ class Mitos(Package):
 
     version('0.9', '8a8f05b35e04e9f37fa15436b98d5b25', git='https://github.com/scalability-llnl/Mitos.git', tag='v0.9')
 
-    depends_on('dyninst')
+    depends_on('dyninst@8.2.1:')
     depends_on('hwloc')
 
     def install(self, spec, prefix):