diff --git a/CHANGELOG.md b/CHANGELOG.md
index bdc02e201abb38085d68644476bc46de6b2dc947..52493e3b52bd7eb70712d9ac5923c23d05d3a31d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,9 @@
 Changelog
 =========
 
+Unreleased
+----------
+
 [1.2.4] (2023-11-27)
 --------------------
 
diff --git a/pyproject.toml b/pyproject.toml
index a5ab8446ae096d81ae6636d7f5a2844c968f0388..e4fb6dddf7763859ad99b02bf7525c3c04749e46 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "whisper-asr-webservice"
-version = "1.2.4"
+version = "1.2.5-dev"
 description = "Whisper ASR Webservice is a general-purpose speech recognition webservice."
 homepage  = "https://github.com/ahmetoner/whisper-asr-webservice/"
 license = "https://github.com/ahmetoner/whisper-asr-webservice/blob/main/LICENCE"