diff --git a/.gitignore b/.gitignore
index a604f1e..dd7e65b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@ clog
 /IP2Location-8.3.0.tar.gz
 /IP2Location-8.3.1.tar.gz
 /IP2Location-8.3.1-1.tar.gz
+/IP2Location-8.4.0.tar.gz
diff --git a/IP2Location.spec b/IP2Location.spec
index 4244db2..3060c18 100644
--- a/IP2Location.spec
+++ b/IP2Location.spec
@@ -1,5 +1,5 @@
-%global upstream_tag    8.3.1-1
-%global rpm_version     8.3.1+1
+%global upstream_tag    8.4.0
+%global rpm_version     8.4.0
 %global soname 3
 
 # enable the following for intermediate builds
@@ -14,7 +14,7 @@
 Name:		IP2Location
 Summary:	Tools for mapping IP address to geolocation information
 Version:	%{rpm_version}
-Release:	2%{?gittag}%{?dist}
+Release:	1%{?gittag}%{?dist}
 License:	MIT
 URL:		http://www.ip2location.com/
 %if 0%{?gitcommit:1}
@@ -73,10 +73,10 @@ Provides:	libip2location-devel = %{version}
 %description 	devel
 IP2Location C library enables the user to get the country, region, city,
 coordinates, ZIP code, time zone, ISP, domain name, connection type,
-area code, weather info, mobile carrier, elevation and usage type from any IP
-address or hostname. This library has been optimized for speed and memory
-utilization. The library contains API to query all IP2Location LITE and
-commercial binary databases.
+area code, weather info, mobile carrier, elevation, usage type, address
+type and category from any IP address or hostname.
+This library has been optimized for speed and memory utilization. The library
+contains API to query all IP2Location LITE and commercial binary databases.
 
 This package contains the development files for the IP2Location library.
 
@@ -92,10 +92,10 @@ Provides:	ip2location-country = %{version}
 %description 	data-sample
 IP2Location C library enables the user to get the country, region, city,
 coordinates, ZIP code, time zone, ISP, domain name, connection type,
-area code, weather info, mobile carrier, elevation and usage type from any IP
-address or hostname. This library has been optimized for speed and memory
-utilization. The library contains API to query all IP2Location LITE and
-commercial binary databases.
+area code, weather info, mobile carrier, elevation, usage type, address
+type and category from any IP address or hostname.
+This library has been optimized for speed and memory utilization. The library
+contains API to query all IP2Location LITE and commercial binary databases.
 
 This package contains the sample data files for testing the library.
 
@@ -125,6 +125,10 @@ autoreconf -fiv
 %configure --disable-static
 %make_build COPTS="$RPM_OPT_FLAGS"
 
+# fix reference file time
+# see https://github.com/chrislim2888/IP2Location-C-Library/issues/47
+touch -d 20200925 data/*CSV
+
 # convert CSV to BIN
 make -C data convert
 
@@ -176,6 +180,9 @@ install -p data/IPV6-COUNTRY.BIN %{buildroot}%{_datadir}/%{name}/IPV6-COUNTRY.SA
 
 
 %changelog
+* Tue May 25 2021 Remi Collet <remi@remirepo.net> - 8.4.0-1
+- update to 8.4.0
+
 * Mon Jan 25 2021 Fedora Release Engineering <releng@fedoraproject.org> - 8.3.1+1-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
 
diff --git a/sources b/sources
index ebc1f7b..12bced6 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (IP2Location-8.3.1-1.tar.gz) = 795ed437f5cf51b7841f531e7e09c0a3feafce279b479bdff4cf71ad2936ad22f8ee54da388265c0dffb2fb116ac2f5fb27a2f7258af87d6503ae782a9c0ecf5
+SHA512 (IP2Location-8.4.0.tar.gz) = 130cf0aac6051dd4253a07cac400b3134ecf9f42089ede8b753718cf560596bda7946ec8e725c67969eda85a55f7a483bc5fd4ecfcd6687b2f5296151f029836