diff --git a/var/spack/repos/builtin/packages/arborx/package.py b/var/spack/repos/builtin/packages/arborx/package.py
index e766d8897b..4058eefada 100644
--- a/var/spack/repos/builtin/packages/arborx/package.py
+++ b/var/spack/repos/builtin/packages/arborx/package.py
@@ -21,6 +21,7 @@ class Arborx(CMakePackage, CudaPackage, ROCmPackage):
     test_requires_compiler = True
 
     version("master", branch="master")
+    version("1.5", sha256="c26f23c17e749ccf3e2d353a68969aa54d31b8e720dbfdbc2cef16c5d8477e9e")
     version("1.4.1", sha256="2ca828ef6615859654b233a7df17017e7cfd904982b80026ec7409eb46b77a95")
     version("1.4", sha256="803a1018a6305cf3fea161172b3ada49537f59261279d91c2abbcce9492ee7af")
     version("1.3", sha256="3f1e17f029a460ab99f8396e2772cec908eefc4bf3868c8828907624a2d0ce5d")
@@ -68,6 +69,7 @@ class Arborx(CMakePackage, CudaPackage, ROCmPackage):
     depends_on("kokkos@3.4.00:", when="@1.2~trilinos")
     depends_on("kokkos@3.6.00:", when="@1.3~trilinos")
     depends_on("kokkos@3.7.01:", when="@1.4:~trilinos")
+    depends_on("kokkos@4.0.00:", when="@1.5:~trilinos")
     for backend in kokkos_backends:
         depends_on("kokkos+%s" % backend.lower(), when="~trilinos+%s" % backend.lower())