diff --git a/python/mozboot/mozboot/centosfedora.py b/python/mozboot/mozboot/centosfedora.py
index 37aa0e8eaa..7e7cf84481 100644
--- a/python/mozboot/mozboot/centosfedora.py
+++ b/python/mozboot/mozboot/centosfedora.py
@@ -21,9 +21,8 @@ class CentOSFedoraBootstrapper(LinuxBootstrapper, BaseBootstrapper):
     def install_packages(self, packages):
         if self.version >= 33 and "perl" in packages:
             packages.append("perl-FindBin")
-        # watchman is not available on centos/rocky
-        if self.distro in ("centos", "rocky", "oracle"):
-            packages = [p for p in packages if p != "watchman"]
+        # watchman is not available on centos/rocky/f42
+        packages = [p for p in packages if p != "watchman"]
         self.dnf_install(*packages)
 
     def upgrade_mercurial(self, current):
@@ -33,7 +32,41 @@ class CentOSFedoraBootstrapper(LinuxBootstrapper, BaseBootstrapper):
             self.dnf_update("mercurial")
 
     def dnf_install(self, *packages):
-        if which("dnf"):
+        if which("rpm-ostree"):
+
+            def not_installed(package):
+                is_installed = subprocess.run(
+                    ["rpm", "-q", package],
+                    stdout=subprocess.DEVNULL,
+                    stderr=subprocess.DEVNULL,
+                )
+                return is_installed.returncode !=0
+
+            packages = list(filter(not_installed, packages))
+            if len(packages) == 0:
+                return
+
+            command = ["rpm-ostree", "install"]
+            command.extend(packages)
+            subprocess.run(command, check=True)
+
+            reboot_confirmation = (
+                input(
+                "Packages installed successfully. "
+                "A system reboot is required. "
+                "Do you want to reboot now? (y/n): "
+                ).strip().lower()
+            )
+
+            if reboot_confirmation == 'y':
+                print("Rebooting...")
+                subprocess.run(["systemctl", "reboot"])
+            else:
+                raise Exception(
+                    f'Reboot deferred. Please reboot to continue mozboot.'
+                )
+
+        elif which("dnf"):
 
             def not_installed(package):
                 # We could check for "Error: No matching Packages to list", but
@@ -68,7 +101,39 @@ class CentOSFedoraBootstrapper(LinuxBootstrapper, BaseBootstrapper):
         self.run_as_root(command)
 
     def dnf_update(self, *packages):
-        if which("dnf"):
+        if which("rpm-ostree"):
+            command = ["rpm-ostree", "upgrade"]
+
+            result = subprocess.run(
+                command,
+                stdout=subprocess.PIPE,
+                stderr=subprocess.PIPE,
+                text=True,
+                check=True
+            )
+
+            output = result.stdout + result.stderr
+
+            if "No upgrade available" in output:
+                return
+            else:
+                reboot_confirmation = (
+                    input(
+                    "System upgraded successfully. "
+                    "A system reboot is required to continue. "
+                    "Do you want to reboot now? (y/n): "
+                    ).strip().lower()
+                )
+
+                if reboot_confirmation == 'y':
+                    print("Rebooting...")
+                    subprocess.run(["systemctl", "reboot"])
+                else:
+                    raise Exception(
+                        f'Reboot deferred. Please reboot to continue mozboot.'
+                    )
+
+        elif which("dnf"):
             command = ["dnf", "update"]
         else:
             command = ["yum", "update"]