diff --git a/composer.json b/composer.json
index 36cd777..0505f58 100644
--- a/composer.json
+++ b/composer.json
@@ -3,7 +3,7 @@
     "description": "Inventory management app.",
     "type": "project",
     "require": {
-        "catfan/medoo": "^1.2",
+        "catfan/medoo": "^1.4",
         "guzzlehttp/guzzle": "^6.2",
         "league/csv": "^9.0",
         "lapinator/ods-php-generator": "^0.0.3"
diff --git a/composer.lock b/composer.lock
index c8066f7..0a42339 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,21 +4,21 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "0476ce3c9f1be7b4a13d6533df71433d",
-    "content-hash": "9ff412188d3e72a7961ecf9b9e966404",
+    "hash": "842a34f918f0d5c33a3031d363796a84",
+    "content-hash": "9790de18454ae4decdf8e9ed095ed537",
     "packages": [
         {
             "name": "catfan/medoo",
-            "version": "v1.4.5",
+            "version": "v1.5.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/catfan/Medoo.git",
-                "reference": "8ee8ae1c4df0fee3822a01333eab88893e548fcc"
+                "reference": "1aa25a4001e0cfb739ba2996f00f4a3d2a7fdf07"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/catfan/Medoo/zipball/8ee8ae1c4df0fee3822a01333eab88893e548fcc",
-                "reference": "8ee8ae1c4df0fee3822a01333eab88893e548fcc",
+                "url": "https://api.github.com/repos/catfan/Medoo/zipball/1aa25a4001e0cfb739ba2996f00f4a3d2a7fdf07",
+                "reference": "1aa25a4001e0cfb739ba2996f00f4a3d2a7fdf07",
                 "shasum": ""
             },
             "require": {
@@ -32,7 +32,7 @@
                 "ext-pdo_oci8": "For Oracle version 8 database",
                 "ext-pdo_pqsql": "For PostgreSQL database",
                 "ext-pdo_sqlite": "For SQLite database",
-                "ext-pdo_sqlsrv": "For MSSQL database on Windows platform"
+                "ext-pdo_sqlsrv": "For MSSQL database"
             },
             "type": "framework",
             "autoload": {
@@ -64,7 +64,7 @@
                 "sql",
                 "sqlite"
             ],
-            "time": "2017-06-24 14:43:07"
+            "time": "2017-12-25 17:02:41"
         },
         {
             "name": "guzzlehttp/guzzle",