diff --git a/CHANGES.rst b/CHANGES.rst
index db375c72..142a4bd9 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,10 @@
 Changes
 -------
 
+2.15.3 (2024-10-27)
+^^^^^^^^^^^^^^^^^^^
+* relax botocore dependency specification
+
 2.15.2 (2024-10-09)
 ^^^^^^^^^^^^^^^^^^^
 * relax botocore dependency specification
diff --git a/aiobotocore/__init__.py b/aiobotocore/__init__.py
index 30334bd3..4895c882 100644
--- a/aiobotocore/__init__.py
+++ b/aiobotocore/__init__.py
@@ -1 +1 @@
-__version__ = '2.15.2'
+__version__ = '2.15.3'
diff --git a/pyproject.toml b/pyproject.toml
index 51bb8214..3b221929 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,7 +30,7 @@ classifiers = [
 dynamic = ["version", "readme"]
 
 dependencies = [
-    "botocore >=1.35.16, <1.35.37", # NOTE: When updating, always keep `project.optional-dependencies` aligned
+    "botocore >=1.35.16, <1.35.45", # NOTE: When updating, always keep `project.optional-dependencies` aligned
     "aiohttp >=3.9.2, <4.0.0",
     "wrapt >=1.10.10, <2.0.0",
     "aioitertools >=0.5.1, <1.0.0",
@@ -38,10 +38,10 @@ dependencies = [
 
 [project.optional-dependencies]
 awscli = [
-    "awscli >=1.34.16, <1.35.3",
+    "awscli >=1.34.16, <1.35.11",
 ]
 boto3 = [
-    "boto3 >=1.35.16, <1.35.37",
+    "boto3 >=1.35.16, <1.35.45",
 ]
 
 [project.urls]