diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7c7e2b9..3478448 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Unreleased
 
+# 2.0.6
+
+- Allow for upper case extensions
+
 # 2.0.5
 
 - Add update checker
diff --git a/src-tauri/src/compress.rs b/src-tauri/src/compress.rs
index 7efbf30..063b5b9 100644
--- a/src-tauri/src/compress.rs
+++ b/src-tauri/src/compress.rs
@@ -490,8 +490,13 @@ fn is_image(path: &Path) -> bool {
         return false;
     }
     let supported_exts = ["png", "jpeg", "jpg", "gif", "webp", "tiff"];
-    let ext = path.extension().unwrap_or_default();
-    if !supported_exts.contains(&ext.to_str().unwrap()) {
+    let ext = path
+        .extension()
+        .unwrap_or_default()
+        .to_str()
+        .unwrap()
+        .to_lowercase();
+    if !supported_exts.contains(&ext.as_str()) {
         return false;
     }
     true
diff --git a/src-tauri/tauri.conf.json b/src-tauri/tauri.conf.json
index bf3b8d0..bb22ac0 100644
--- a/src-tauri/tauri.conf.json
+++ b/src-tauri/tauri.conf.json
@@ -2,7 +2,7 @@
   "$schema": "https://schema.tauri.app/config/2",
   "mainBinaryName": "Alic",
   "productName": "Alic Image Compressor",
-  "version": "2.0.5",
+  "version": "2.0.6",
   "identifier": "io.kbl.alic",
   "build": {
     "beforeDevCommand": "bun run dev",