diff --git a/README.md b/README.md
index a152049..3727832 100644
--- a/README.md
+++ b/README.md
@@ -149,6 +149,10 @@ console.log(getenv('RANDOM'));
 
 ## Changelog
 
+### v2.0.0
+
+- Allow any case for True/False boolean strings `env.bool()` (#22)
+
 ### v1.1.0
 
 - Add separator option to `env.array()` (#19)
diff --git a/package.json b/package.json
index df91d0a..e54082a 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
     "Tim Ruffles <timruffles@gmail.com>",
     "Ashwani Agarwal <ashwani.a@outlook.com>"
   ],
-  "version": "1.0.0",
+  "version": "2.0.0",
   "license": "MIT",
   "homepage": "https://github.com/ctavan/node-getenv",
   "repository": {
diff --git a/test/getenv.js b/test/getenv.js
index 8896b9d..f5a4a3e 100644
--- a/test/getenv.js
+++ b/test/getenv.js
@@ -13,8 +13,10 @@ process.env.TEST_GETENV_FLOAT2 = '0.0';
 process.env.TEST_GETENV_INFINITY1 = Infinity;
 process.env.TEST_GETENV_INFINITY2 = -Infinity;
 process.env.TEST_GETENV_FALSE = 'false';
+process.env.TEST_GETENV_FALSE1 = 'False';
 process.env.TEST_GETENV_FALSE2 = 'FALSE';
 process.env.TEST_GETENV_TRUE = 'true';
+process.env.TEST_GETENV_TRUE1 = 'True';
 process.env.TEST_GETENV_TRUE2 = 'TRUE';
 process.env.TEST_GETENV_NOT_REALLY_TRUE = '1';
 process.env.TEST_GETENV_NOT_REALLY_FALSE = '0';
@@ -204,6 +206,10 @@ tests['getenv.bool() valid input'] = function () {
       varName: 'TEST_GETENV_FALSE',
       expected: false,
     },
+    {
+      varName: 'TEST_GETENV_FALSE1',
+      expected: false,
+    },
     {
       varName: 'TEST_GETENV_FALSE2',
       expected: false,
@@ -212,6 +218,10 @@ tests['getenv.bool() valid input'] = function () {
       varName: 'TEST_GETENV_TRUE',
       expected: true,
     },
+    {
+      varName: 'TEST_GETENV_TRUE1',
+      expected: true,
+    },
     {
       varName: 'TEST_GETENV_TRUE2',
       expected: true,