diff --git a/.gitignore b/.gitignore
index bb3b9378..189ab8cd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -68,3 +68,5 @@ config.status
 # Rcpp
 src/symbols.rds
 
+# Version sed call
+*.bu
diff --git a/DESCRIPTION b/DESCRIPTION
index 680dfd75..f56ba31b 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -2,7 +2,7 @@ Type: Package
 Package: mvMAPIT
 Title: Implements the Multivariate MArginal ePIstasis Test (mvMAPIT) from
     Crawford et al. 2017
-Version: 1.0.0
+Version: 1.0.1
 Author: lcrawlab
 Maintainer: Lorin Crawford <lorin_crawford@brown.edu>
 Description: Epistasis, commonly defined as the interaction between
diff --git a/configure b/configure
index b4c70950..03bb167f 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.71 for mvMAPIT 1.0.0.
+# Generated by GNU Autoconf 2.71 for mvMAPIT 1.0.1.
 #
 #
 # Copyright (C) 1992-1996, 1998-2017, 2020-2021 Free Software Foundation,
@@ -607,8 +607,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='mvMAPIT'
 PACKAGE_TARNAME='mvmapit'
-PACKAGE_VERSION='1.0.0'
-PACKAGE_STRING='mvMAPIT 1.0.0'
+PACKAGE_VERSION='1.0.1'
+PACKAGE_STRING='mvMAPIT 1.0.1'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
 
@@ -1270,7 +1270,7 @@ 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 mvMAPIT 1.0.0 to adapt to many kinds of systems.
+\`configure' configures mvMAPIT 1.0.1 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1332,7 +1332,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of mvMAPIT 1.0.0:";;
+     short | recursive ) echo "Configuration of mvMAPIT 1.0.1:";;
    esac
   cat <<\_ACEOF
 
@@ -1415,7 +1415,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-mvMAPIT configure 1.0.0
+mvMAPIT configure 1.0.1
 generated by GNU Autoconf 2.71
 
 Copyright (C) 2021 Free Software Foundation, Inc.
@@ -1648,7 +1648,7 @@ 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 mvMAPIT $as_me 1.0.0, which was
+It was created by mvMAPIT $as_me 1.0.1, which was
 generated by GNU Autoconf 2.71.  Invocation command line was
 
   $ $0$ac_configure_args_raw
@@ -4718,7 +4718,7 @@ 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 mvMAPIT $as_me 1.0.0, which was
+This file was extended by mvMAPIT $as_me 1.0.1, which was
 generated by GNU Autoconf 2.71.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -4773,7 +4773,7 @@ ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config='$ac_cs_config_escaped'
 ac_cs_version="\\
-mvMAPIT config.status 1.0.0
+mvMAPIT config.status 1.0.1
 configured by $0, generated by GNU Autoconf 2.71,
   with options \\"\$ac_cs_config\\"
 
diff --git a/configure.ac b/configure.ac
index 81179b4b..7d40a402 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT([mvMAPIT],[1.0.0])
+AC_INIT([mvMAPIT],[1.0.1])
 
 # Find the compiler and compiler flags used by R.
 : ${R_HOME=`R RHOME`}
diff --git a/oscar-tasks.py b/oscar-tasks.py
index 7630cd28..d3520ebd 100644
--- a/oscar-tasks.py
+++ b/oscar-tasks.py
@@ -2,7 +2,10 @@
 import logging
 import os
 import shutil
+import re
+import fire
 from subprocess import run
+from sh import sed
 
 logging.basicConfig(level=logging.DEBUG)
 logger = logging.getLogger("mvmapit-oscar-tasks")
@@ -28,3 +31,20 @@ def task_rinstall(tmpdir):
 
     logger.info(f"Install mvMAPIT.")
     _cmd(f"R CMD INSTALL {tmpdir} --preclean")
+
+
+def change_version(version):
+    files = {
+        "DESCRIPTION": f"s/(Version: )[0-9.]*/\\1{version}/",
+        "configure.ac": f"s/[0-9]+\.[0-9]+\.[0-9]+/{version}/",
+    }
+
+    logger.info(f"Version: {version}")
+    for key, sedcmd in files.items():
+        sed(["-i", ".bu", "-E", sedcmd, key])
+
+    _cmd("autoconf")
+
+
+if __name__ == "__main__":
+    fire.Fire()