diff --git a/spack.yaml b/spack.yaml
index d8b25eb96bcf92935fc4041c9c8d50515bfee031..99ad15221367f2add27a10360dc27dd94c2c2138 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -1,6 +1,6 @@
 spack:
   specs:
-    - acts@17.1.0 +dd4hep +digitization +identification +json +tgeo +ipo +examples +fatras +geant4
+    - acts@18.0.0 +dd4hep +digitization +identification +json +tgeo +ipo +examples +fatras +geant4
     - cairo@1.16.0 +fc+ft+X+pdf+gobject
     - clhep@2.4.4.0 cxxstd=17
     - cmake@3.21.4
diff --git a/spack/packages/acts/package.py b/spack/packages/acts/package.py
index 5cc9583a981f6ab3ffd19e30d522f63f125f0624..d010ed1dbdebd96d70e02c28ae66b0f2ab080e34 100644
--- a/spack/packages/acts/package.py
+++ b/spack/packages/acts/package.py
@@ -1,5 +1,6 @@
 from spack.pkg.builtin.acts import Acts as BuiltinActs
 class Acts(BuiltinActs):
+    version('18.0.0', commit='fe03b5af6ca2b092dec87c4cef77dd552bbbe719', submodules=True)
     version('17.1.0', commit='0d9c3a6da022da48d6401e10c273896a1f775a9e', submodules=True)
     version('17.0.0', commit='ccbf4c7d4ec3698bac4db9687fab2455a3f9c203', submodules=True)
     version('16.0.0', commit='9bd86921155e708189417b5a8019add10fd5b273', submodules=True)