diff --git a/huge-memory.patch b/huge-memory.patch
deleted file mode 100644
index 3434d2d..0000000
--- a/huge-memory.patch
+++ /dev/null
@@ -1,15 +0,0 @@
----
- src/dmidecode.c |    2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
---- a/src/dmidecode.c
-+++ b/src/dmidecode.c
-@@ -5378,7 +5378,7 @@ xmlNode *dmi_decode(xmlNode *prnt_n, dmi
-                 dmi_memory_device_width(sect_n, "TotalWidth", WORD(data + 0x08));
-                 dmi_memory_device_width(sect_n, "DataWidth", WORD(data + 0x0A));
-                 if (h->length >= 0x20 && WORD(data + 0x0C) == 0x7FFF) {
--                        dmi_memory_device_extended_size(sect_n, WORD(data + 0x1C));
-+                        dmi_memory_device_extended_size(sect_n, DWORD(data + 0x1C));
-                 } else {
-                         dmi_memory_device_size(sect_n, WORD(data + 0x0C));
-                 }
diff --git a/python-dmidecode-3.12.2+git.1666757106.e6ab5bc.tar.gz b/python-dmidecode-3.12.2+git.1666757106.e6ab5bc.tar.gz
deleted file mode 100644
index 5bc8dd5..0000000
--- a/python-dmidecode-3.12.2+git.1666757106.e6ab5bc.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:a9d9329d5ad3cce54bdd1db1af5877677416557b5ff19f4ac8265d65ed5d5e35
-size 160487
diff --git a/python-dmidecode-3.12.3.tar.gz b/python-dmidecode-3.12.3.tar.gz
new file mode 100644
index 0000000..33a2136
--- /dev/null
+++ b/python-dmidecode-3.12.3.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:44d45d7d8344290c259c989d3af3f614c7837cbd85052d486adfa46a1c777164
+size 156670
diff --git a/python-dmidecode.changes b/python-dmidecode.changes
index 4607dc2..eb55167 100644
--- a/python-dmidecode.changes
+++ b/python-dmidecode.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Sat Nov 19 20:37:12 UTC 2022 - Matej Cepl <mcepl@suse.com>
+
+- Update to the upstream release 3.12.3:
+  - consolidation of previous git commits
+  - support SMBIOS3.3.0
+- Remove upstreamed huge-memory.patch
+
 -------------------------------------------------------------------
 Wed Oct 26 15:51:25 UTC 2022 - Matej Cepl <mcepl@suse.com>
 
diff --git a/python-dmidecode.spec b/python-dmidecode.spec
index 972b234..3757343 100644
--- a/python-dmidecode.spec
+++ b/python-dmidecode.spec
@@ -19,17 +19,14 @@
 %{?!python_module:%define python_module() python-%{**} python3-%{**}}
 %define oldpython python
 Name:           python-dmidecode
-Version:        3.12.2+git.1666757106.e6ab5bc
+Version:        3.12.3
 Release:        0
 Summary:        Python module to access DMI data
 License:        GPL-2.0-only
 Group:          System/Libraries
 URL:            https://github.com/nima/python-dmidecode
-# Source0:        https://github.com/nima/python-dmidecode/archive/refs/tags/v%%{version}.tar.gz#/python-dmidecode-%%{version}.tar.gz
-Source0:        python-dmidecode-%{version}.tar.gz
-# PATCH-FIX-UPSTREAM huge-memory.patch gh#nima/python-dmidecode#33 mcepl@suse.com
-# use DWORD instead of WORD when calling dmi_memory_device_extended_size
-Patch0:         huge-memory.patch
+Source0:        https://github.com/nima/python-dmidecode/archive/refs/tags/v%{version}.tar.gz#/python-dmidecode-%{version}.tar.gz
+# Source0:        python-dmidecode-%{version}.tar.gz
 # PATCH-FIX-UPSTREAM gcc7-inline.patch gh#nima/python-dmidecode#35 mcepl@suse.com
 # Don't use inline keyword.
 Patch1:         gcc7-inline.patch