diff --git a/ChangeLog.adoc b/ChangeLog.adoc
index d6a1a64f9..835ad3dca 100644
--- a/ChangeLog.adoc
+++ b/ChangeLog.adoc
@@ -9,7 +9,7 @@
 :breaking: pass:quotes[*[breaking]*]
 
 [[v4.3.1]]
-== Version 4.3.1 (under dev)
+== Version 4.3.1 (2024-05-31)
 
 [[v4.3.1_fixed]]
 === Fixed
diff --git a/ReleaseNotes.adoc b/ReleaseNotes.adoc
index 175cb0479..3a50cd88b 100644
--- a/ReleaseNotes.adoc
+++ b/ReleaseNotes.adoc
@@ -12,7 +12,7 @@ For a complete list of changes, please look at ChangeLog.
 
 
 [[v4.3.1]]
-== Version 4.3.1 (under dev)
+== Version 4.3.1 (2024-05-31)
 
 [[v4.3.1_libgcrypt]]
 === Detection of libgcrypt
diff --git a/version.sh b/version.sh
index 0744ea882..d4bc30770 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="4.3.0"
-weechat_devel="4.3.1-dev"
+weechat_stable="4.3.1"
+weechat_devel="4.3.1"
 
 stable_major=$(echo "${weechat_stable}" | cut -d"." -f1)
 stable_minor=$(echo "${weechat_stable}" | cut -d"." -f2)