diff --git a/docs/about/releases.md b/docs/about/releases.md
index 3b8818c22..02524c73b 100644
--- a/docs/about/releases.md
+++ b/docs/about/releases.md
@@ -3,6 +3,27 @@ Release history
 Go [here](https://github.com/PSLmodels/Tax-Calculator/pulls?q=is%3Apr+is%3Aclosed)
 for a complete commit history.
 
+
+2024-07-11 Release 4.1.0
+------------------------
+(last merged pull request is
+[#2772](https://github.com/PSLmodels/Tax-Calculator/pull/2772))
+
+**This is an enhancement and bug-fix release.**
+
+**API Changes**
+
+**New Features**
+- Add ability to use from the Python API custom growfactors files [[#2757](https://github.com/PSLmodels/Tax-Calculator/pull/2757) and [#2771](https://github.com/PSLmodels/Tax-Calculator/pull/2771) by Martin Holmer]
+- Add `tmd_growfactors.csv` file for use with the tmd.csv input file [[#2758](https://github.com/PSLmodels/Tax-Calculator/pull/2758) by Martin Holmer]
+- Add ability to run Tax-Calculator under Python 3.12 [[#2763](https://github.com/PSLmodels/Tax-Calculator/pull/2763) by Martin Holmer]
+- Add `ctc_total` and `ctc_refundable` output variables [[#2765](https://github.com/PSLmodels/Tax-Calculator/pull/2765) and [#2766](https://github.com/PSLmodels/Tax-Calculator/pull/2766) by Martin Holmer]
+- Add exact calculation logic to the `CTC_new` function [[#2769](https://github.com/PSLmodels/Tax-Calculator/pull/2769) by Martin Holmer]
+
+**Bug Fixes**
+- Fix 2018 and 2021 EITC phase-out start parameter values [[#2768](https://github.com/PSLmodels/Tax-Calculator/pull/2768) and [#2770](https://github.com/PSLmodels/Tax-Calculator/pull/2770) by Martin Holmer]
+
+
 2024-06-01 Release 4.0.0
 ------------------------
 (last merged pull request is
@@ -28,7 +49,7 @@ for a complete commit history.
 **API Changes**
 
 **New Features**
-- Adds capabilites to handle `tmd*` files from the tax-microdata repository [[#2740](https://github.com/PSLmodels/Tax-Calculator/pull/2740) by Martin Holmer]
+- Add capabilites to handle `tmd*` files from the tax-microdata repository [[#2740](https://github.com/PSLmodels/Tax-Calculator/pull/2740) by Martin Holmer]
 - Minor updates to documentation, testing, and environment by Martin Holmer and Jason DeBacker in various PRs
 
 2024-04-04 Release 3.5.3
diff --git a/docs/contributing/RELEASING.md b/docs/contributing/RELEASING.md
index 30ea74d78..59e43c0a0 100755
--- a/docs/contributing/RELEASING.md
+++ b/docs/contributing/RELEASING.md
@@ -7,7 +7,7 @@ Create new `taxcalc` packages
 ===========================
 ```
 
---> on branch X-Y-Z, edit RELEASES.md to finalize X.Y.Z info
+--> on branch X-Y-Z, edit docs/about/releases.md to finalize X.Y.Z info
 
 --> specify release X.Y.Z in setup.py and taxcalc/__init__.py
 
@@ -19,11 +19,11 @@ Create new `taxcalc` packages
 
 --> run `make package`  [to make local taxcalc package available]
 
---> cd taxcalc/validation ; ./tests.sh ; .fix. ; cd ../..
+--> cd taxcalc/validation ; ./tests_35.sh ; .fix. ; cd ../..
 
---> specify release X.Y.Z in index.md
+--> specify release X.Y.Z in docs/index.md
 
---> cd .. ; make clean  [to remove taxcalc package]
+--> make clean  [to remove taxcalc package]
 
 --> commit X-Y-Z branch and push to origin
 
diff --git a/docs/index.md b/docs/index.md
index 13ddb601f..b975e484a 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -57,7 +57,7 @@ The cross-model validation work with NBER's TAXSIM-27 model is described
 
 ## Latest release
 
-{doc}`4.0.0 (2024-06-01) <about/releases>`
+{doc}`4.1.0 (2024-07-11) <about/releases>`
 
 If you are already using Tax-Calculator, upgrade using the following command:
 
diff --git a/setup.py b/setup.py
index 931366977..cff9a0e13 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 with open("README.md") as f:
     longdesc = f.read()
 
-version = "4.0.0"
+version = "4.1.0"
 
 config = {
     "description": "Tax Calculator",
diff --git a/taxcalc.egg-info/PKG-INFO b/taxcalc.egg-info/PKG-INFO
index 3f77bfdde..587ad3a08 100644
--- a/taxcalc.egg-info/PKG-INFO
+++ b/taxcalc.egg-info/PKG-INFO
@@ -1,6 +1,6 @@
 Metadata-Version: 2.1
 Name: taxcalc
-Version: 4.0.0
+Version: 4.1.0
 Summary: taxcalc
 Home-page: https://github.com/PSLmodels/Tax-Calculator
 Download-URL: https://github.com/PSLmodels/Tax-Calculator
diff --git a/taxcalc/__init__.py b/taxcalc/__init__.py
index 203473408..dbbe30658 100644
--- a/taxcalc/__init__.py
+++ b/taxcalc/__init__.py
@@ -14,4 +14,4 @@
 from taxcalc.utils import *
 from taxcalc.cli import *
 
-__version__ = '4.0.0'
+__version__ = '4.1.0'
diff --git a/taxcalc/cli/tc.py b/taxcalc/cli/tc.py
index 764564fbc..af8ca3a0a 100644
--- a/taxcalc/cli/tc.py
+++ b/taxcalc/cli/tc.py
@@ -230,7 +230,7 @@ def _write_expected_test_output():
         ifile.write(input_data)
     expected_output_data = (
         'RECID,YEAR,WEIGHT,INCTAX,LSTAX,PAYTAX\n'
-        '1,2018,0.00,139.87,0.00,6120.00\n'
+        '1,2018,0.00,131.88,0.00,6120.00\n'
         '2,2018,0.00,28879.00,0.00,21721.60\n'
     )
     with open(EXPECTED_TEST_OUTPUT_FILENAME, 'w') as ofile: