diff --git a/CHANGELOG.md b/CHANGELOG.md
index a390fbc..3af7377 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 <!--next-version-placeholder-->
 
+## v4.0.5 (2023-10-03)
+
+
 ## v4.0.4 (2023-08-24)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index c5cacac..1895c18 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "transformer-embeddings"
-version = "4.0.4"
+version = "4.0.5"
 description = "Transformer Embeddings"
 authors = ["Headspace Health <transformer-embeddings@headspace.com>"]
 license = "Apache-2.0"
diff --git a/src/transformer_embeddings/__init__.py b/src/transformer_embeddings/__init__.py
index 6ddbc41..618befb 100644
--- a/src/transformer_embeddings/__init__.py
+++ b/src/transformer_embeddings/__init__.py
@@ -3,4 +3,4 @@
 from transformer_embeddings.poolers import get_pooler_output, mean_pooling
 
 
-__version__ = "4.0.4"
+__version__ = "4.0.5"