diff --git a/var/spack/repos/builtin/packages/sys-sage/package.py b/var/spack/repos/builtin/packages/sys-sage/package.py
index 9670e01aa9..0fb153bf0e 100644
--- a/var/spack/repos/builtin/packages/sys-sage/package.py
+++ b/var/spack/repos/builtin/packages/sys-sage/package.py
@@ -3,23 +3,76 @@
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
-
 from spack.package import *
 
 
 class SysSage(CMakePackage):
-    """A library for capturing hadrware topology and attributes of compute systems."""
+    """A library for capturing hardware topology and attributes of compute systems."""
 
-    homepage = "https://github.com/stepanvanecek/sys-sage"
-    url = "https://github.com/stepanvanecek/sys-sage/archive/refs/tags/v0.1.1-alpha.2.tar.gz"
-    git = "https://github.com/stepanvanecek/sys-sage.git"
+    homepage = "https://github.com/caps-tum/sys-sage"
+    url = "https://github.com/caps-tum/sys-sage/archive/refs/tags/v0.4.3.tar.gz"
+    git = "https://github.com/caps-tum/sys-sage.git"
 
     maintainers("stepanvanecek")
 
+    version("0.4.3", sha256="e24313c4274576c1511a62e1b27c86a78cea7e4c123b8a53303cfc70de978faa")
     version("master", branch="master")
-    version(
-        "0.1.1-alpha.2", sha256="991a77cf37b061a911c8566fd4486f914de4f4c8cdf39112ec8a32903450c178"
+    version("develop", branch="develop")
+
+    conflicts("%gcc@:7", msg="gcc can be used from version 8 and above")
+
+    variant(
+        "nvidia_mig",
+        default=False,
+        description="Build and install functionality regarding NVidia MIG(multi-instance GPU, "
+        "ampere or newer).",
+    )
+    variant(
+        "cpuinfo",
+        default=True,
+        description="Build and install functionality regarding Linux cpuinfo (only x86) -- "
+        "default ON.",
+    )
+    variant(
+        "build_data_sources",
+        default=False,
+        when="platform=linux",
+        description="Build all data sources (programs to collect data about the machine sys-sage "
+        "runs on).",
+    )
+    variant(
+        "ds_hwloc",
+        default=False,
+        description="Builds the hwloc data source for retrieving the CPU topology",
+    )
+    variant(
+        "ds_numa",
+        default=False,
+        when="platform=linux",
+        description="builds the caps-numa-benchmark. If turned on, includes Linux-specific "
+        "libraries.",
     )
 
-    depends_on("cmake@3.21:", type="build")
+    depends_on("cmake@3.22:", type="build")
     depends_on("libxml2@2.9.13:")
+
+    depends_on("numactl", when="+build_data_sources platform=linux")
+    depends_on("numactl", when="+ds_numa platform=linux")
+    depends_on("hwloc@2.9:", when="+build_data_sources")
+    depends_on("hwloc@2.9:", when="+ds_hwloc")
+    depends_on("cuda", when="+nvidia_mig platform=linux")
+    depends_on("cuda", when="+build_data_sources platform=linux")
+
+    def cmake_args(self):
+        spec = self.spec
+        args = []
+        args.append(self.define_from_variant("NVIDIA_MIG", "nvidia_mig"))
+        if "+cpuinfo" in spec and spec.target == "x86_64" and spec.platform == "linux":
+            args.append(self.define("CPUINFO", True))
+        else:
+            args.append(self.define("CPUINFO", False))
+        if "+ds_hwloc" in spec or "+build_data_sources" in spec:
+            args.append(self.define("DS_HWLOC", True))
+        if "+ds_numa" in spec or "+build_data_sources" in spec:
+            args.append(self.define("DS_NUMA", True))
+        return args