diff --git a/CHANGELOG.md b/CHANGELOG.md
index 00e86ec6..ddac648c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,11 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## Unreleased
 
+## [1.3.1] -- 2022-10-25
+
+### Changed
+- Bug fix: Remove extraneous character from setup.py
+
 ## [1.3.0] -- 2022-10-25
 
 ### Added
diff --git a/benchmark/modules/run_1yr_fullchem_benchmark.py b/benchmark/modules/run_1yr_fullchem_benchmark.py
index c3eaf3e7..74e6c908 100755
--- a/benchmark/modules/run_1yr_fullchem_benchmark.py
+++ b/benchmark/modules/run_1yr_fullchem_benchmark.py
@@ -47,7 +47,7 @@
 
         https://github.com/ipython/ipython/issues/10627
 
-This script corresponds with GCPy 1.3.0. Edit this version ID if releasing
+This script corresponds with GCPy 1.3.1. Edit this version ID if releasing
 a new version of GCPy.
 """
 
diff --git a/benchmark/modules/run_1yr_tt_benchmark.py b/benchmark/modules/run_1yr_tt_benchmark.py
index 5a4fe265..9a2d3409 100755
--- a/benchmark/modules/run_1yr_tt_benchmark.py
+++ b/benchmark/modules/run_1yr_tt_benchmark.py
@@ -46,7 +46,7 @@
 
         https://github.com/ipython/ipython/issues/10627
 
-This script corresponds with GCPy 1.3.0. Edit this version ID if releasing
+This script corresponds with GCPy 1.3.1. Edit this version ID if releasing
 a new version of GCPy.
 """
 
diff --git a/benchmark/run_benchmark.py b/benchmark/run_benchmark.py
index 228256c6..d51245e1 100755
--- a/benchmark/run_benchmark.py
+++ b/benchmark/run_benchmark.py
@@ -36,7 +36,7 @@
 
         https://github.com/ipython/ipython/issues/10627
 
-This script corresponds with GCPy 1.3.0. Edit this version ID if releasing
+This script corresponds with GCPy 1.3.1. Edit this version ID if releasing
 a new version of GCPy.
 """
 
diff --git a/docs/source/conf.py b/docs/source/conf.py
index cecca218..1fc84fab 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -22,7 +22,7 @@
 author = 'GEOS-Chem Support Team'
 
 # The full version, including alpha/beta/rc tags
-release = '1.3.0'
+release = '1.3.1'
 
 # -- General configuration ---------------------------------------------------
 
diff --git a/gcpy/_version.py b/gcpy/_version.py
index dd1cc097..b7af371c 100644
--- a/gcpy/_version.py
+++ b/gcpy/_version.py
@@ -1,2 +1,2 @@
 
-__version__ = '1.2.0'
+__version__ = '1.3.1'