diff --git a/Imath.changes b/Imath.changes
index 9e4c934..e644d4d 100644
--- a/Imath.changes
+++ b/Imath.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Fri Jan 17 07:04:20 UTC 2025 - ming li <mli@suse.com>
+
+- update to 3.1.12:
+  * Support for compiling half.h with hip-runtime-amd
+  * Also, the v3.1.11 release had improper versioning in its cmake
+    and pkgconf configuration files. This is now fixed.
+
 -------------------------------------------------------------------
 Mon Jul  1 18:33:22 UTC 2024 - Dirk Müller <dmueller@suse.com>
 
diff --git a/Imath.spec b/Imath.spec
index 846fd43..0c7d6fe 100644
--- a/Imath.spec
+++ b/Imath.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package Imath
 #
-# Copyright (c) 2024 SUSE LLC
+# Copyright (c) 2025 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -19,7 +19,7 @@
 %global so_suffix -3_1
 %define sonum     29
 Name:           Imath
-Version:        3.1.11
+Version:        3.1.12
 Release:        0
 Summary:        C++ and Python Library of 2D and 3D Vector, Matrix, and Math Operations
 License:        BSD-3-Clause
diff --git a/v3.1.11.tar.gz b/v3.1.11.tar.gz
deleted file mode 100644
index 57ee63e..0000000
--- a/v3.1.11.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:9057849585e49b8b85abe7cc1e76e22963b01bfdc3b6d83eac90c499cd760063
-size 596585
diff --git a/v3.1.12.tar.gz b/v3.1.12.tar.gz
new file mode 100644
index 0000000..dd20de0
--- /dev/null
+++ b/v3.1.12.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8a1bc258f3149b5729c2f4f8ffd337c0e57f09096e4ba9784329f40c4a9035da
+size 604232