diff --git a/laszip-src-3.2.9.tar.gz b/laszip-src-3.2.9.tar.gz
deleted file mode 100644
index 8413188..0000000
--- a/laszip-src-3.2.9.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:a1cc9ea5adfcad43b9c8afbaff20bcd573a85c90dd83d5c8e17e4ff8d8d4548e
-size 218578
diff --git a/laszip-src-3.2.9.tar.gz.md5 b/laszip-src-3.2.9.tar.gz.md5
deleted file mode 100644
index fce3bbe..0000000
--- a/laszip-src-3.2.9.tar.gz.md5
+++ /dev/null
@@ -1 +0,0 @@
-MD5 (laszip-src-3.2.9.tar.gz) = 178a79737788e099b70a70c10c61b01e
diff --git a/laszip-src-3.4.1.tar.gz b/laszip-src-3.4.1.tar.gz
new file mode 100644
index 0000000..ae77ec1
--- /dev/null
+++ b/laszip-src-3.4.1.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5d9b0ffaf8b7319c2fa216da3f3f878bb8f4e5b4b14d2c154d441a351da2be37
+size 219421
diff --git a/laszip-src-3.4.1.tar.gz.sha256sum b/laszip-src-3.4.1.tar.gz.sha256sum
new file mode 100644
index 0000000..f6230e0
--- /dev/null
+++ b/laszip-src-3.4.1.tar.gz.sha256sum
@@ -0,0 +1 @@
+5d9b0ffaf8b7319c2fa216da3f3f878bb8f4e5b4b14d2c154d441a351da2be37  laszip-src-3.4.1.tar.gz
diff --git a/laszip.changes b/laszip.changes
index 1b7d44b..6d51b0b 100644
--- a/laszip.changes
+++ b/laszip.changes
@@ -1,3 +1,18 @@
+-------------------------------------------------------------------
+Wed Jul 10 18:51:45 UTC 2019 - Dirk Stoecker <opensuse@dstoecker.de>
+
+- update to version 3.4.1
+  * 1024 AC_BUFFER_SIZE to 4096 for propagate_carry() overflow
+  * Fix two small memory leaks
+  * FastAC now properly BSD-licensed.
+  * writer: sanity check for consistent legacy and extended classification
+  * reader: zero the legacy classification whenever extended classification
+    is larger than 31
+  * bug fix when writing 4,294,967,296 or more points uncompressed to LAS
+  * fix for LASzip v4 decompression of WavePacket part of PRDF 9 and 10
+  * upped to 3.2 r9 for bug fix in multi-channel NIR decompression
+  * fix for v4 decompression of WavePacket part of PRDF 9 and 10
+
 -------------------------------------------------------------------
 Tue Feb 19 06:51:01 UTC 2019 - Bruno Friedmann <bruno@ioda-net.ch>
 
diff --git a/laszip.spec b/laszip.spec
index 757d5e1..7fe48d1 100644
--- a/laszip.spec
+++ b/laszip.spec
@@ -21,14 +21,14 @@
 %define         sover 8
 
 Name:           laszip
-Version:        3.2.9
+Version:        3.4.1
 Release:        0
 Summary:        Compression library supporting ASPRS LAS format data
 License:        LGPL-2.1-or-later
 Group:          Development/Libraries/C and C++
 Url:            https://laszip.org/
 Source0:        https://github.com/LASzip/LASzip/releases/download/%{version}/laszip-src-%{version}.tar.gz
-Source1:        https://github.com/LASzip/LASzip/releases/download/%{version}/laszip-src-%{version}.tar.gz.md5
+Source1:        https://github.com/LASzip/LASzip/releases/download/%{version}/laszip-src-%{version}.tar.gz.sha256sum
 BuildRequires:  cmake
 BuildRequires:  gcc-c++
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build