diff --git a/.gitignore b/.gitignore
index fea481e..186aa7f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -48,3 +48,4 @@
 /cldr-release-44-beta2.zip
 /cldr-release-44.zip
 /cldr-release-44-1.zip
+/cldr-release-45-alpha0.zip
diff --git a/cldr-emoji-annotation.spec b/cldr-emoji-annotation.spec
index 9169520..12a8dd9 100644
--- a/cldr-emoji-annotation.spec
+++ b/cldr-emoji-annotation.spec
@@ -1,11 +1,11 @@
-%global tag_version release-44-1
+%global tag_version release-45-alpha0
 #%%global is_official 0%%(echo %%{tag_version} | grep -qE 'alpha|beta|final'; echo $?)
 #%%global is_official 0
 %global is_official 0
 
 Name:       cldr-emoji-annotation
-Version:    44.1
-Release:    3%{?dist}
+Version:    45~alpha0
+Release:    1%{?dist}
 %if 0%{?fedora:1}%{?rhel:0}
 Epoch:      1
 %endif
@@ -126,6 +126,9 @@ done
 %{_datadir}/pkgconfig/*.pc
 
 %changelog
+* Mon Feb 12 2024 Takao Fujiwara <tfujiwar@gmail.com> - 1:45~alpha0-1
+- Bump to release-45-alpha0
+
 * Wed Jan 24 2024 Fedora Release Engineering <releng@fedoraproject.org> - 1:44.1-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild
 
diff --git a/sources b/sources
index c149ef7..4ec736d 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (cldr-release-44-1.zip) = 87ab70bbb1ece5c244b2984aa304be01c2293f2aedbbac1c932b2d8b2f5fc00bb648ee0d05c1bf8092f02cfbdaab8e024b72004629d800427e42a3b70e39deeb
+SHA512 (cldr-release-45-alpha0.zip) = 30528ca046e0c0dabc62a181d8a2403a310efc2d2327e8758724736b598d6acea6fb190de106df491e82548703935a0d8b2990e182626ec5e7cdb1dc2562fab7