diff --git a/var/spack/repos/builtin/packages/lammps/package.py b/var/spack/repos/builtin/packages/lammps/package.py
index a69efe7bb8..80faba0045 100644
--- a/var/spack/repos/builtin/packages/lammps/package.py
+++ b/var/spack/repos/builtin/packages/lammps/package.py
@@ -28,6 +28,8 @@ class Lammps(CMakePackage, CudaPackage, ROCmPackage):
     #   marked deprecated=True
     # * patch releases older than a stable release should be marked deprecated=True
     version("develop", branch="develop")
+    version("20230615", sha256="8470ed7b26ccd3728f4b44a7f1c520f1af23a648af685fd30b42b840fdfae2ff")
+    version("20230328", sha256="14f5a5c37e4b46466e90d8b35476800e66acee74999f7358f4c12dfe662bfd99")
     version("20230208", sha256="60221242145da4479e5b207d9a0eed90af4168d7a297b4dc8c0e7f2b3215602e")
     version("20221222", sha256="75372ee7ef982767fc4ed4dc95e20ddca8247419adeb0c1276c40e43d1eab955")
     version("20221103", sha256="d28517b84b157d4e46a1a64ed787b4662d8f2f5ade3f5a04bb0caed068f32f7e")
@@ -385,7 +387,7 @@ def url_for_version(self, version):
         "kokkos": {},
         "kspace": {"default": True},
         "latboltz": {"when": "@20210702:"},
-        "latte": {"when": "@20170922:"},
+        "latte": {"when": "@20170922:20230328"},
         "lepton": {"when": "@20230208:"},
         "machdyn": {"when": "@20210702:"},
         "manifold": {"when": "@20210702:"},
@@ -545,7 +547,7 @@ def url_for_version(self, version):
     depends_on("latte@1.0.1", when="@:20180222+latte")
     depends_on("latte@1.1.1:", when="@20180316:20180628+latte")
     depends_on("latte@1.2.1:", when="@20180629:20200505+latte")
-    depends_on("latte@1.2.2:", when="@20200602:+latte")
+    depends_on("latte@1.2.2:", when="@20200602:20230328+latte")
     depends_on("blas", when="+latte")
     depends_on("lapack", when="+latte")
     depends_on("python", when="+python")
@@ -653,8 +655,8 @@ def url_for_version(self, version):
     # Older LAMMPS does not compile with Kokkos 4.x
     conflicts(
         "^kokkos @4:",
-        when="@:20221222",
-        msg="LAMMPS is incompatible with Kokkos 4.x until @20230208",
+        when="@:20230615",
+        msg="LAMMPS is incompatible with Kokkos 4.x until @20230615",
     )
 
     patch("lib.patch", when="@20170901")