diff --git a/pzstd.1.patch b/pzstd.1.patch
index 39c163a..a805ae8 100644
--- a/pzstd.1.patch
+++ b/pzstd.1.patch
@@ -1,17 +1,17 @@
-Index: zstd-1.5.2/programs/zstd.1
+Index: zstd-1.5.4/programs/zstd.1
 ===================================================================
---- zstd-1.5.2.orig/programs/zstd.1
-+++ zstd-1.5.2/programs/zstd.1
-@@ -217,6 +217,12 @@ If input directory contains "\.\.", the
- .
- .IP "" 0
- .
+--- zstd-1.5.4.orig/programs/zstd.1
++++ zstd-1.5.4/programs/zstd.1
+@@ -171,6 +171,12 @@ do not store the original filename and t
+ .TP
+ \fB\-\-best\fR
+ alias to the option \fB\-9\fR\.
 +.SS Parallel Zstd OPTIONS
 +Additional options for the pzstd utility
 +.TP
 +\fB\-p\fR, \fB\-\-processes\fR
 + number of threads to use for (de)compression (default:4)
 +.
- .SS "Restricted usage of Environment Variables"
- Using environment variables to set parameters has security implications\. Therefore, this avenue is intentionally restricted\. Only \fBZSTD_CLEVEL\fR and \fBZSTD_NBTHREADS\fR are currently supported\. They set the compression level and number of threads to use during compression, respectively\.
- .
+ .SS "Environment Variables"
+ Employing environment variables to set parameters has security implications\. Therefore, this avenue is intentionally limited\. Only \fBZSTD_CLEVEL\fR and \fBZSTD_NBTHREADS\fR are currently supported\. They set the compression level and number of threads to use during compression, respectively\.
+ .P
diff --git a/zstd-1.5.2.tar.gz b/zstd-1.5.2.tar.gz
deleted file mode 100644
index 6b09680..0000000
--- a/zstd-1.5.2.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:7c42d56fac126929a6a85dbc73ff1db2411d04f104fae9bdea51305663a83fd0
-size 1936664
diff --git a/zstd-1.5.2.tar.gz.sig b/zstd-1.5.2.tar.gz.sig
deleted file mode 100644
index 7f9f214..0000000
--- a/zstd-1.5.2.tar.gz.sig
+++ /dev/null
@@ -1,17 +0,0 @@
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diff --git a/zstd-1.5.4.tar.gz b/zstd-1.5.4.tar.gz
new file mode 100644
index 0000000..1c74667
--- /dev/null
+++ b/zstd-1.5.4.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0f470992aedad543126d06efab344dc5f3e171893810455787d38347343a4424
+size 2161536
diff --git a/zstd-1.5.4.tar.gz.sig b/zstd-1.5.4.tar.gz.sig
new file mode 100644
index 0000000..e43da9f
--- /dev/null
+++ b/zstd-1.5.4.tar.gz.sig
@@ -0,0 +1,17 @@
+-----BEGIN PGP SIGNATURE-----
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diff --git a/zstd.changes b/zstd.changes
index 40978de..6517424 100644
--- a/zstd.changes
+++ b/zstd.changes
@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Fri Feb 10 08:22:04 UTC 2023 - Bernhard Wiedemann <bwiedemann@suse.com>
+
+- update to 1.5.4:
+  * Various Speed improvements
+  * I/O Performance improvements
+  * Support of externally-defined sequence producers
+  * rebase pzstd.1.patch
+
 -------------------------------------------------------------------
 Tue Jan  3 09:03:22 UTC 2023 - Dirk Müller <dmueller@suse.com>
 
diff --git a/zstd.spec b/zstd.spec
index 534619b..1b7871e 100644
--- a/zstd.spec
+++ b/zstd.spec
@@ -18,7 +18,7 @@
 
 %define libname libzstd1
 Name:           zstd
-Version:        1.5.2
+Version:        1.5.4
 Release:        0
 Summary:        Zstandard compression tools
 License:        BSD-3-Clause AND GPL-2.0-only