diff --git a/changelog.md b/changelog.md
index 26178ba..8f46d4b 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 1.0.6
+*2021-21-09*
+- Fixed pack format ranges being exclusive.
+
 ## 1.0.5
 *2021-02-09*
 - Added flag aliases `h` and `v` for `--help` and `--version` respectively.
diff --git a/cli.js b/cli.js
index 14acc09..f3f47a7 100644
--- a/cli.js
+++ b/cli.js
@@ -1,5 +1,5 @@
 #!/usr/bin/env node
-const VERSION = '1.0.5'
+const VERSION = '1.0.6'
 
 const getPackFormat = require('./index.js')
 
diff --git a/index.js b/index.js
index 387a417..d766203 100644
--- a/index.js
+++ b/index.js
@@ -21,13 +21,13 @@ function getPackFormat(version) {
             '17w47b': 3,
             '19w46b': 4,
             '20w30a': 5,
-            '20w45a': 6,
+            '20w45a': 6, // datapack
             '22w00a': 7, // current
         }
         const snapshot = new Snapshot(version)
 
         for (let snap in lastSnapshots) {
-            if (snapshot.getID() < (new Snapshot(snap)).getID()) {
+            if (snapshot.getID() <= (new Snapshot(snap)).getID()) {
                 return lastSnapshots[snap]
             }
         }
@@ -37,6 +37,7 @@ function getPackFormat(version) {
     // Release //
 
     version = version.toLowerCase().replace(' pre-release ', '-pre').replace(' release candidate ', '-rc')
+
     if (version.includes('-')) {
         if (version.includes('1.16.2-pre')) return 5
         else version = version.replace(/-.+$/, '')
diff --git a/package.json b/package.json
index 944814c..ff7072a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "pack-format",
-    "version": "1.0.5",
+    "version": "1.0.6",
     "description": "Returns the pack_format of any Minecraft version, including snapshots",
     "scripts": {
         "test": "node test"