diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5122bf35..a57bb5b9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Changelog
 
+# stochtree 0.4.1-dev
+
+## New Features
+
+* Added support for parametric treatment effect term in BCF [#309](https://github.com/StochasticTree/stochtree/pull/309/)
+
+## Bug Fixes
+
+## Documentation and Other Maintenance
+
 # stochtree 0.4.1
 
 ## New Features
diff --git a/DESCRIPTION b/DESCRIPTION
index 388de284..9a2ec2da 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: stochtree
 Title: Stochastic Tree Ensembles (XBART and BART) for Supervised Learning and Causal Inference
-Version: 0.4.1
+Version: 0.4.1.9000
 Authors@R: 
   c(
     person("Drew", "Herren", email = "drewherrenopensource@gmail.com", role = c("aut", "cre"), comment = c(ORCID = "0000-0003-4109-6611")), 
diff --git a/Doxyfile b/Doxyfile
index 7eeeba62..fd8ef22c 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -48,7 +48,7 @@ PROJECT_NAME           = "StochTree"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 0.4.1
+PROJECT_NUMBER         = 0.4.1.9000
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/NEWS.md b/NEWS.md
index a7794157..ebfc8d91 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,13 @@
+# stochtree 0.4.1.9000
+
+## New Features
+
+* Added support for parametric treatment effect term in BCF [#309](https://github.com/StochasticTree/stochtree/pull/309/)
+
+## Bug Fixes
+
+## Documentation and Other Maintenance
+
 # stochtree 0.4.1
 
 ## New Features
diff --git a/_pkgdown.yml b/_pkgdown.yml
index 16765e57..e1d17197 100644
--- a/_pkgdown.yml
+++ b/_pkgdown.yml
@@ -125,6 +125,7 @@ articles:
   - BayesianSupervisedLearning
   - CausalInference
   - Heteroskedasticity
+  - ReparameterizedCausalInference
   - OrdinalOutcome
 
 - title: Advanced Model Interface
diff --git a/configure b/configure
index 0cfbb7da..ac94d072 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.72 for stochtree 0.4.1.
+# Generated by GNU Autoconf 2.72 for stochtree 0.4.1.9000.
 #
 #
 # Copyright (C) 1992-1996, 1998-2017, 2020-2023 Free Software Foundation,
@@ -600,8 +600,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='stochtree'
 PACKAGE_TARNAME='stochtree'
-PACKAGE_VERSION='0.4.1'
-PACKAGE_STRING='stochtree 0.4.1'
+PACKAGE_VERSION='0.4.1.9000'
+PACKAGE_STRING='stochtree 0.4.1.9000'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
 
@@ -1204,7 +1204,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-'configure' configures stochtree 0.4.1 to adapt to many kinds of systems.
+'configure' configures stochtree 0.4.1.9000 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1266,7 +1266,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of stochtree 0.4.1:";;
+     short | recursive ) echo "Configuration of stochtree 0.4.1.9000:";;
    esac
   cat <<\_ACEOF
 
@@ -1334,7 +1334,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-stochtree configure 0.4.1
+stochtree configure 0.4.1.9000
 generated by GNU Autoconf 2.72
 
 Copyright (C) 2023 Free Software Foundation, Inc.
@@ -1371,7 +1371,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by stochtree $as_me 0.4.1, which was
+It was created by stochtree $as_me 0.4.1.9000, which was
 generated by GNU Autoconf 2.72.  Invocation command line was
 
   $ $0$ac_configure_args_raw
@@ -2380,7 +2380,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by stochtree $as_me 0.4.1, which was
+This file was extended by stochtree $as_me 0.4.1.9000, which was
 generated by GNU Autoconf 2.72.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -2435,7 +2435,7 @@ ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config='$ac_cs_config_escaped'
 ac_cs_version="\\
-stochtree config.status 0.4.1
+stochtree config.status 0.4.1.9000
 configured by $0, generated by GNU Autoconf 2.72,
   with options \\"\$ac_cs_config\\"
 
diff --git a/configure.ac b/configure.ac
index aaac691f..6585b194 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,7 +3,7 @@
 # https://github.com/microsoft/LightGBM/blob/master/R-package/configure.ac
 
 AC_PREREQ(2.69)
-AC_INIT([stochtree], [0.4.1], [], [stochtree], [])
+AC_INIT([stochtree], [0.4.1.9000], [], [stochtree], [])
 # Note: consider making version number dynamic as in 
 # https://github.com/microsoft/LightGBM/blob/195c26fc7b00eb0fec252dfe841e2e66d6833954/build-cran-package.sh
 
diff --git a/pyproject.toml b/pyproject.toml
index d6a61b77..c88d0d28 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "stochtree"
-version = "0.4.1"
+version = "0.4.1-dev"
 dependencies = [
     "matplotlib",
     "numpy",