diff --git a/gcc13-fix.patch b/gcc13-fix.patch
deleted file mode 100644
index 02d42fc..0000000
--- a/gcc13-fix.patch
+++ /dev/null
@@ -1,36 +0,0 @@
-diff --git a/src/bin/exrcheck/main.cpp b/src/bin/exrcheck/main.cpp
-index d9812e4..ac995af 100644
---- a/src/bin/exrcheck/main.cpp
-+++ b/src/bin/exrcheck/main.cpp
-@@ -4,6 +4,7 @@
- #include <ImfCheckFile.h>
- #include <ImathConfig.h>
- 
-+#include <cstdint>
- #include <iostream>
- #include <fstream>
- #include <string.h>
-diff --git a/src/lib/OpenEXR/ImfDeepTiledInputFile.h b/src/lib/OpenEXR/ImfDeepTiledInputFile.h
-index b01330f..109bd65 100644
---- a/src/lib/OpenEXR/ImfDeepTiledInputFile.h
-+++ b/src/lib/OpenEXR/ImfDeepTiledInputFile.h
-@@ -19,6 +19,7 @@
- 
- #include "ImfTileDescription.h"
- 
-+#include <cstdint>
- #include <ImathBox.h>
- 
- OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER
-diff --git a/src/lib/OpenEXR/ImfDeepTiledInputPart.h b/src/lib/OpenEXR/ImfDeepTiledInputPart.h
-index e5f950a..130153a 100644
---- a/src/lib/OpenEXR/ImfDeepTiledInputPart.h
-+++ b/src/lib/OpenEXR/ImfDeepTiledInputPart.h
-@@ -10,6 +10,7 @@
- 
- #include "ImfTileDescription.h"
- 
-+#include <cstdint>
- #include <ImathBox.h>
- 
- OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER
diff --git a/openexr.changes b/openexr.changes
index 6118d6e..d28ee3b 100644
--- a/openexr.changes
+++ b/openexr.changes
@@ -1,3 +1,15 @@
+-------------------------------------------------------------------
+Tue Mar 14 09:13:04 UTC 2023 - Paolo Stivanin <info@paolostivanin.com>
+
+- update to 3.1.6:
+  * NEON optimizations for ZIP reading
+  * Enable fast Huffman & Huffman zig-zag transform for Arm Neon
+  * Support relative and absolute libdir/includedir in pkg-config generation
+  * Fix for reading memory mapped files with DWA compression
+  * Enable SSE4 support on Windows
+  * Fast huf decoder
+- Drop gcc13-fix.patch
+
 -------------------------------------------------------------------
 Mon Mar  6 12:23:38 UTC 2023 - Martin Liška <mliska@suse.cz>
 
diff --git a/openexr.spec b/openexr.spec
index 3be63c4..c2a774d 100644
--- a/openexr.spec
+++ b/openexr.spec
@@ -22,7 +22,7 @@
 %define sonum 30
 %global so_suffix -3_1
 Name:           openexr
-Version:        3.1.5
+Version:        3.1.6
 Release:        0
 Summary:        Utilities for working with HDR images in OpenEXR format
 License:        BSD-3-Clause
@@ -30,7 +30,6 @@ Group:          Development/Libraries/C and C++
 URL:            https://www.openexr.com/
 Source0:        https://github.com/openexr/openexr/archive/v%{version}.tar.gz
 Source2:        baselibs.conf
-Patch0:         gcc13-fix.patch
 BuildRequires:  cmake >= 3.12
 BuildRequires:  freeglut-devel
 BuildRequires:  gcc-c++
diff --git a/v3.1.5.tar.gz b/v3.1.5.tar.gz
deleted file mode 100644
index 259f37e..0000000
--- a/v3.1.5.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:93925805c1fc4f8162b35f0ae109c4a75344e6decae5a240afdfce25f8a433ec
-size 20327926
diff --git a/v3.1.6.tar.gz b/v3.1.6.tar.gz
new file mode 100644
index 0000000..61d49c0
--- /dev/null
+++ b/v3.1.6.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:daa33d93a7b706e27368a162060df0246a7750c39a01a122d33b13f5c45d2029
+size 20494002