diff --git a/README.rst b/README.rst
index 68df622..00487de 100644
--- a/README.rst
+++ b/README.rst
@@ -175,6 +175,8 @@ Please include a self-contained example that fully demonstrates your problem or
 Changelog:
 ==========
 
+  - Patch removes the un-needed `fitsio` dependency
   - Initial v1.0.0 release of `tesscube`.
+  
 
 .. <!-- Changelog content end -->
diff --git a/poetry.lock b/poetry.lock
index c084bed..a14dfd2 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.8.2 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.4 and should not be changed by hand.
 
 [[package]]
 name = "accessible-pygments"
@@ -1192,19 +1192,6 @@ files = [
     {file = "fbpca-1.0.tar.gz", hash = "sha256:150677642479663f317fdbb5e06dab3f98721cf7031bb4a84113d7a631c472d1"},
 ]
 
-[[package]]
-name = "fitsio"
-version = "1.2.4"
-description = "A full featured python library to read from and write to FITS files."
-optional = false
-python-versions = "*"
-files = [
-    {file = "fitsio-1.2.4.tar.gz", hash = "sha256:d57fe347c7657dc1f78c7969a55ecb4fddb717ae1c66d9d22046c171203ff678"},
-]
-
-[package.dependencies]
-numpy = "*"
-
 [[package]]
 name = "fonttools"
 version = "4.53.1"
@@ -4813,4 +4800,4 @@ test = ["big-O", "importlib-resources", "jaraco.functools", "jaraco.itertools",
 [metadata]
 lock-version = "2.0"
 python-versions = "<3.13,>=3.9"
-content-hash = "26001439e055cf0451cc45bf904779952b85bdf5362d9e736aa279cadc5207b9"
+content-hash = "4625aa941cb1b5a5ecd65b867ce13dbfcd674c8ac76b2f39d159684939d64065"
diff --git a/pyproject.toml b/pyproject.toml
index a85facf..82f8bf8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "tesscube"
-version = "1.0.2dev"
+version = "1.0.3"
 description = ""
 authors = ["TESS Science Support Center <tesshelp@bigbang.gsfc.nasa.gov>", "Christina Hedges <christina.l.hedges@nasa.gov>"]
 license = "MIT"
@@ -10,7 +10,6 @@ packages = [{include = "tesscube", from = "src"}]
 [tool.poetry.dependencies]
 python = "<3.13,>=3.9"
 numpy = "^1.26.1"
-fitsio = "^1.2.1"
 aiohttp = "^3.8.6"
 asyncio = "^3.4.3"
 aiobotocore = "^2.7.0"
diff --git a/src/tesscube/__init__.py b/src/tesscube/__init__.py
index 5bfc067..6a10d1b 100644
--- a/src/tesscube/__init__.py
+++ b/src/tesscube/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "1.0.2dev"
+__version__ = "1.0.3"
 # Standard library
 import os  # noqa
 import tempfile