diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 00000000..1e665a7a
Binary files /dev/null and b/.DS_Store differ
diff --git a/dune-project b/dune-project
index 00b5b885..9d2813d2 100644
--- a/dune-project
+++ b/dune-project
@@ -12,7 +12,7 @@
 
 (generate_opam_files true)
 
-(version 0.3.1)
+(version 3.1.0)
 (source (github dmtrKovalenko/odiff))
 (license MIT)
 (authors "Dmitriy Kovalenko")
diff --git a/io/.DS_Store b/io/.DS_Store
new file mode 100644
index 00000000..901309e9
Binary files /dev/null and b/io/.DS_Store differ
diff --git a/npm_package/.DS_Store b/npm_package/.DS_Store
new file mode 100644
index 00000000..993b4f70
Binary files /dev/null and b/npm_package/.DS_Store differ
diff --git a/npm_package/package.json b/npm_package/package.json
index 754326a9..cdfeaaed 100644
--- a/npm_package/package.json
+++ b/npm_package/package.json
@@ -1,6 +1,6 @@
 {
   "name": "odiff-bin",
-  "version": "0.3.1",
+  "version": "3.1.0",
   "author": "Dmitriy Kovalenko <dmtr.kovalenko@outlook.com>",
   "license": "MIT",
   "description": "The fastest image difference tool in the world",
diff --git a/odiff-core.opam b/odiff-core.opam
index f49b0fc4..2af034f8 100644
--- a/odiff-core.opam
+++ b/odiff-core.opam
@@ -1,6 +1,6 @@
 # This file is generated by dune, edit dune-project instead
 opam-version: "2.0"
-version: "0.3.1"
+version: "3.1.0"
 synopsis: "Pixel-by-pixel image difference algorithm"
 maintainer: ["https://dmtrkovalenko.dev" "dmtr.kovalenko@outlook.com"]
 authors: ["Dmitriy Kovalenko"]
diff --git a/odiff-io.opam b/odiff-io.opam
index 886f8b57..afec5a01 100644
--- a/odiff-io.opam
+++ b/odiff-io.opam
@@ -1,6 +1,6 @@
 # This file is generated by dune, edit dune-project instead
 opam-version: "2.0"
-version: "0.3.1"
+version: "3.1.0"
 synopsis: "Ready to use io for odiff-core"
 maintainer: ["https://dmtrkovalenko.dev" "dmtr.kovalenko@outlook.com"]
 authors: ["Dmitriy Kovalenko"]
diff --git a/odiff-tests.opam b/odiff-tests.opam
index b666ad56..cea74b22 100644
--- a/odiff-tests.opam
+++ b/odiff-tests.opam
@@ -1,6 +1,6 @@
 # This file is generated by dune, edit dune-project instead
 opam-version: "2.0"
-version: "0.3.1"
+version: "3.1.0"
 synopsis: "Internal package for integration tests of odiff"
 maintainer: ["https://dmtrkovalenko.dev" "dmtr.kovalenko@outlook.com"]
 authors: ["Dmitriy Kovalenko"]
diff --git a/odiff.opam b/odiff.opam
index 4e883308..4c02fef7 100644
--- a/odiff.opam
+++ b/odiff.opam
@@ -1,6 +1,6 @@
 # This file is generated by dune, edit dune-project instead
 opam-version: "2.0"
-version: "0.3.1"
+version: "3.1.0"
 synopsis: "CLI for comparing images pixel-by-pixel"
 maintainer: ["https://dmtrkovalenko.dev" "dmtr.kovalenko@outlook.com"]
 authors: ["Dmitriy Kovalenko"]
diff --git a/package-lock.json b/package-lock.json
index 1ec91a37..b6f3e6b1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "odiff-bin",
-  "version": "0.3.1",
+  "version": "3.1.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "odiff-bin",
-      "version": "0.3.1",
+      "version": "3.1.0",
       "license": "MIT",
       "devDependencies": {
         "ava": "^6.1.3"
diff --git a/package.json b/package.json
index 16e73df8..333bc312 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "odiff-bin",
-  "version": "0.3.1",
+  "version": "3.1.0",
   "author": "Dmitriy Kovalenko <dmtr.kovalenko@outlook.com>",
   "license": "MIT",
   "description": "The fastest image difference tool in the world",