diff --git a/var/spack/repos/builtin/packages/yosys/package.py b/var/spack/repos/builtin/packages/yosys/package.py
index 5e5c8618b9f..d9927974332 100644
--- a/var/spack/repos/builtin/packages/yosys/package.py
+++ b/var/spack/repos/builtin/packages/yosys/package.py
@@ -28,6 +28,7 @@ class Yosys(MakefilePackage):
 
     version("master", branch="master")
 
+    version("0.49", commit="427b5a251bfb511528a177bfa92567b4b3ada3dd", submodules=True)
     version("0.48", commit="aaa5347494801e9e3870b31387da59da24233f76", submodules=True)
     version("0.47", commit="647d61dd9212365a3cd44db219660b8f90b95cbd", submodules=True)
     version("0.46", commit="e97731b9dda91fa5fa53ed87df7c34163ba59a41", submodules=True)