diff --git a/CHANGES.rst b/CHANGES.rst
index 9bc00e2..1549e08 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,4 +1,4 @@
-1.1.0dev (2024-09-18)
+1.1.0 (2024-09-24)
 =====================
 
 - Added the option to use the initial TESS commissioning PRF files [#9]
diff --git a/pyproject.toml b/pyproject.toml
index 6514e8b..fa95b9c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "lkprf"
-version = "1.1.0dev"
+version = "1.1.0"
 description = ""
 authors = ["TESS Science Support Center <tesshelp@bigbang.gsfc.nasa.gov>, Christina Hedges <christina.l.hedges@nasa.gov>"]
 license = "MIT"
diff --git a/src/lkprf/version.py b/src/lkprf/version.py
index b55f4df..d56e88c 100644
--- a/src/lkprf/version.py
+++ b/src/lkprf/version.py
@@ -1,3 +1,3 @@
 # It is important to store the version number in a separate file
 # so that we can read it without importing the package
-__version__ = "1.1.0dev"
+__version__ = "1.1.0"