diff --git a/opencv-4.5.2.tar.gz b/opencv-4.5.2.tar.gz
deleted file mode 100644
index 6a167e4..0000000
--- a/opencv-4.5.2.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:ae258ed50aa039279c3d36afdea5c6ecf762515836b27871a8957c610d0424f8
-size 88925795
diff --git a/opencv-4.5.4.tar.gz b/opencv-4.5.4.tar.gz
new file mode 100644
index 0000000..f48a286
--- /dev/null
+++ b/opencv-4.5.4.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c20bb83dd790fc69df9f105477e24267706715a9d3c705ca1e7f613c7b3bad3d
+size 89724634
diff --git a/opencv.changes b/opencv.changes
index eb3acb8..c3d142a 100644
--- a/opencv.changes
+++ b/opencv.changes
@@ -1,3 +1,18 @@
+-------------------------------------------------------------------
+Wed Nov 24 21:53:53 UTC 2021 - Dirk Müller <dmueller@suse.com>
+
+- update to 4.5.4:
+  * 8-bit quantization in the dnn module
+  * Improved Julia bindings
+  * Speech recognition sample
+  * dnn module optimizations for RISC-V
+  * Tutorial about universal intrinsics and parallel_for usage
+  * Improvements in the dnn module:
+    - New layers and models support
+    - Some existing layers have been fixed
+    - Soft-NMS implementation
+    - Supported OpenVINO 2021.4.1 LTS release 
+
 -------------------------------------------------------------------
 Mon Aug 30 09:20:06 UTC 2021 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/opencv.spec b/opencv.spec
index 2b6e911..627156f 100644
--- a/opencv.spec
+++ b/opencv.spec
@@ -35,7 +35,7 @@
 %bcond_without python3
 %bcond_without openblas
 Name:           opencv
-Version:        4.5.2
+Version:        4.5.4
 Release:        0
 Summary:        Collection of algorithms for computer vision
 # GPL-2.0 AND Apache-2.0 files are in 3rdparty/ittnotify which is not build
diff --git a/opencv_contrib-4.5.2.tar.gz b/opencv_contrib-4.5.2.tar.gz
deleted file mode 100644
index 148e75e..0000000
--- a/opencv_contrib-4.5.2.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:9f52fd3114ac464cb4c9a2a6a485c729a223afb57b9c24848484e55cef0b5c2a
-size 60800680
diff --git a/opencv_contrib-4.5.4.tar.gz b/opencv_contrib-4.5.4.tar.gz
new file mode 100644
index 0000000..eae4783
--- /dev/null
+++ b/opencv_contrib-4.5.4.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ad74b440b4539619dc9b587995a16b691246023d45e34097c73e259f72de9f81
+size 61054226