diff --git a/makepanda/makepanda.py b/makepanda/makepanda.py
index b2adc446e8..23fd57afaa 100755
--- a/makepanda/makepanda.py
+++ b/makepanda/makepanda.py
@@ -442,8 +442,9 @@ if P3DSUFFIX is None:
 
 # Now determine the distutils-style platform tag for the target system.
 target = GetTarget()
+target_arch = GetTargetArch()
 if target == 'windows':
-    if GetTargetArch() == 'x64':
+    if target_arch == 'x64':
         PLATFORM = 'win-amd64'
     else:
         PLATFORM = 'win32'
@@ -460,7 +461,7 @@ elif target == 'darwin':
 
     arch_tag = None
     if not OSX_ARCHS:
-        arch_tag = GetTargetArch()
+        arch_tag = target_arch
     elif len(OSX_ARCHS) == 1:
         arch_tag = OSX_ARCHS[0]
     elif frozenset(OSX_ARCHS) == frozenset(('i386', 'ppc')):
@@ -482,45 +483,53 @@ elif target == 'darwin':
 
 elif target == 'linux' and (os.path.isfile("/lib/libc-2.5.so") or os.path.isfile("/lib64/libc-2.5.so")) and os.path.isdir("/opt/python"):
     # This is manylinux1.  A bit of a sloppy check, though.
-    if GetTargetArch() in ('x86_64', 'amd64'):
+    if target_arch in ('x86_64', 'amd64'):
         PLATFORM = 'manylinux1-x86_64'
-    elif GetTargetArch() in ('arm64', 'aarch64'):
+    elif target_arch in ('arm64', 'aarch64'):
         PLATFORM = 'manylinux1-aarch64'
     else:
         PLATFORM = 'manylinux1-i686'
 
 elif target == 'linux' and (os.path.isfile("/lib/libc-2.12.so") or os.path.isfile("/lib64/libc-2.12.so")) and os.path.isdir("/opt/python"):
     # Same sloppy check for manylinux2010.
-    if GetTargetArch() in ('x86_64', 'amd64'):
+    if target_arch in ('x86_64', 'amd64'):
         PLATFORM = 'manylinux2010-x86_64'
-    elif GetTargetArch() in ('arm64', 'aarch64'):
+    elif target_arch in ('arm64', 'aarch64'):
         PLATFORM = 'manylinux2010-aarch64'
     else:
         PLATFORM = 'manylinux2010-i686'
 
 elif target == 'linux' and (os.path.isfile("/lib/libc-2.17.so") or os.path.isfile("/lib64/libc-2.17.so")) and os.path.isdir("/opt/python"):
     # Same sloppy check for manylinux2014.
-    if GetTargetArch() in ('x86_64', 'amd64'):
+    if target_arch in ('x86_64', 'amd64'):
         PLATFORM = 'manylinux2014-x86_64'
-    elif GetTargetArch() in ('arm64', 'aarch64'):
+    elif target_arch in ('arm64', 'aarch64'):
         PLATFORM = 'manylinux2014-aarch64'
     else:
         PLATFORM = 'manylinux2014-i686'
 
 elif target == 'linux' and (os.path.isfile("/lib/i386-linux-gnu/libc-2.24.so") or os.path.isfile("/lib/x86_64-linux-gnu/libc-2.24.so")) and os.path.isdir("/opt/python"):
     # Same sloppy check for manylinux_2_24.
-    if GetTargetArch() in ('x86_64', 'amd64'):
+    if target_arch in ('x86_64', 'amd64'):
         PLATFORM = 'manylinux_2_24-x86_64'
-    elif GetTargetArch() in ('arm64', 'aarch64'):
+    elif target_arch in ('arm64', 'aarch64'):
         PLATFORM = 'manylinux_2_24-aarch64'
     else:
         PLATFORM = 'manylinux_2_24-i686'
 
+elif target == 'linux' and os.path.isfile("/lib64/libc-2.28.so") and os.path.isfile('/etc/almalinux-release') and os.path.isdir("/opt/python"):
+    # Same sloppy check for manylinux_2_28.
+    if target_arch in ('x86_64', 'amd64'):
+        PLATFORM = 'manylinux_2_28-x86_64'
+    elif target_arch in ('arm64', 'aarch64'):
+        PLATFORM = 'manylinux_2_28-aarch64'
+    else:
+        raise RuntimeError('Unhandled arch %s, please file a bug report!' % (target_arch))
+
 elif not CrossCompiling():
     if HasTargetArch():
         # Replace the architecture in the platform string.
         platform_parts = get_platform().rsplit('-', 1)
-        target_arch = GetTargetArch()
         if target_arch == 'amd64':
             target_arch = 'x86_64'
         PLATFORM = platform_parts[0] + '-' + target_arch
@@ -529,7 +538,6 @@ elif not CrossCompiling():
         PLATFORM = get_platform()
 
 else:
-    target_arch = GetTargetArch()
     if target_arch == 'amd64':
         target_arch = 'x86_64'
     PLATFORM = '{0}-{1}'.format(target, target_arch)
diff --git a/makepanda/makewheel.py b/makepanda/makewheel.py
index f7ab00a0f9..2f18789e78 100644
--- a/makepanda/makewheel.py
+++ b/makepanda/makewheel.py
@@ -560,6 +560,8 @@ def makewheel(version, output_dir, platform=None):
                     platform = platform.replace("linux", "manylinux2014")
                 elif os.path.isfile("/lib/i386-linux-gnu/libc-2.24.so") or os.path.isfile("/lib/x86_64-linux-gnu/libc-2.24.so"):
                     platform = platform.replace("linux", "manylinux_2_24")
+                elif os.path.isfile("/lib64/libc-2.28.so") and os.path.isfile('/etc/almalinux-release'):
+                    platform = platform.replace("linux", "manylinux_2_28")
 
     platform = platform.replace('-', '_').replace('.', '_')