diff --git a/CHANGELOG.md b/CHANGELOG.md
index cf3bb6f7b..903aaa76d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # WeeChat ChangeLog
 
-## Version 4.5.1 (under dev)
+## Version 4.5.1 (2024-12-23)
 
 ### Fixed
 
diff --git a/version.sh b/version.sh
index ce5b5a6b2..8baf4c2c5 100755
--- a/version.sh
+++ b/version.sh
@@ -39,8 +39,8 @@
 #     devel-number   the devel version as hex number ("0x04010000" for "4.1.0-dev")
 #
 
-weechat_stable="4.5.0"
-weechat_devel="4.5.1-dev"
+weechat_stable="4.5.1"
+weechat_devel="4.5.1"
 
 stable_major=$(echo "${weechat_stable}" | cut -d"." -f1)
 stable_minor=$(echo "${weechat_stable}" | cut -d"." -f2)