diff --git a/var/spack/repos/builtin/packages/acts/package.py b/var/spack/repos/builtin/packages/acts/package.py
index a32e9447139877655aa5803e9eec593cd09e4d6f..8f85569d5f12b2cb38f451a80957b98e8dcc90c3 100644
--- a/var/spack/repos/builtin/packages/acts/package.py
+++ b/var/spack/repos/builtin/packages/acts/package.py
@@ -35,6 +35,7 @@ class Acts(CMakePackage, CudaPackage):
 
     # Supported Acts versions
     version('master', branch='master')
+    version('1.00.0', commit='ec9ce0bcdc837f568d42a12ddf3fc9c80db62f5d')
     version('0.32.0', commit='a4cedab7e727e1327f2835db29d147cc86b21054')
     version('0.31.0', commit='cfbd901555579a2f32f4efe2b76a7048442b42c3')
     version('0.30.0', commit='a71ef0a9c742731611645214079884585a92b15e')