diff --git a/README.md b/README.md
index 36fb899..7962464 100644
--- a/README.md
+++ b/README.md
@@ -51,7 +51,7 @@ complex selections and performing analysis. Take a look at the
 
 ## Release Notes
 
-## v1.5.2
+## v1.5.3
 * Fixes bug with `get_slice_from_res_id` to enable non-continuous sequences to
   be selected.
 
diff --git a/pyproject.toml b/pyproject.toml
index 8d596bc..f8b46ce 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "AMPAL"
-version = "1.5.1"
+version = "1.5.3"
 requires-python = ">= 3.8"
 readme = "README.md"
 dependencies = [
diff --git a/setup.py b/setup.py
index 9cf7f91..d0f84a3 100644
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@ def readme():
 
 setup(
     name="AMPAL",
-    version="1.5.2",
+    version="1.5.3",
     description="A simple framework for representing biomolecular structure.",
     long_description=readme(),
     long_description_content_type="text/markdown; charset=UTF-8; variant=GFM",
diff --git a/src/ampal/__init__.py b/src/ampal/__init__.py
index 4931457..9b9665c 100644
--- a/src/ampal/__init__.py
+++ b/src/ampal/__init__.py
@@ -9,4 +9,4 @@
 from .dssp import tag_dssp_data
 
 
-__version__ = "1.5.2"
+__version__ = "1.5.3"