diff --git a/common.py b/common.py
index 5967828..fa2a5e6 100644
--- a/common.py
+++ b/common.py
@@ -67,7 +67,7 @@ def __exit__(self, exc_type, exc_value, traceback):
         subprocess.call(['umount', self.proc_dir])
 
 
-VALID_DVERS        = ["el6", "el7", "el8", "el9"]
+VALID_DVERS        = ["el8", "el9", "el10"]
 VALID_BASEARCHES   = ["x86_64"]
 DEFAULT_BASEARCH   = "x86_64"
 
diff --git a/envsetup.py b/envsetup.py
index 5d52504..8ab4fab 100644
--- a/envsetup.py
+++ b/envsetup.py
@@ -57,7 +57,7 @@ def write_setup_in_files(dest_dir, dver, basearch):
     else:
         raise Exception("Unknown basearch %r" % basearch)
 
-    if dver in ['el6', 'el7', 'el8', 'el9']:
+    if dver in ['el6', 'el7', 'el8', 'el9', 'el10']:
         osg_perl5lib = ":".join([
             "$OSG_LOCATION/usr/share/perl5/vendor_perl",
             "$OSG_LOCATION/usr/share/perl5"])
@@ -84,6 +84,10 @@ def write_setup_in_files(dest_dir, dver, basearch):
         osg_pythonpath = "$OSG_LOCATION/usr/lib/python3.9/site-packages"
         if basearch == 'x86_64':
             osg_pythonpath += ":$OSG_LOCATION/usr/lib64/python3.9/site-packages"
+    elif dver == 'el10':
+        osg_pythonpath = "$OSG_LOCATION/usr/lib/python3.12/site-packages"
+        if basearch == 'x86_64':
+            osg_pythonpath += ":$OSG_LOCATION/usr/lib64/python3.12/site-packages"
     else:
         raise Exception("Unknown dver %r" % dver)
 
diff --git a/osg-stage1-el10.lst b/osg-stage1-el10.lst
new file mode 100644
index 0000000..13c8521
--- /dev/null
+++ b/osg-stage1-el10.lst
@@ -0,0 +1,33 @@
+# Stage 1 packages
+# These packages will be installed into the tarball staging directory but their
+# files will be excluded from the tarball itself.
+# Packages may be separated by newline or whitespace.  Actual whitespace must
+# be quoted.
+@core
+python3
+setroubleshoot-server
+setroubleshoot-plugins
+sudo
+# X libraries/GUI stuff
+cairo
+fontconfig
+gsettings-desktop-schemas
+libX11
+libXau
+libXcursor
+libXdmcp
+libXext
+libXfixes
+libXft
+libXi
+libXinerama
+libXrandr
+libXrender
+libXtst
+# New in el9
+gcc
+gcc-c++
+libstdc++-devel
+lua-srpm-macros
+llvm-libs
+pkgconf