diff --git a/lua/kulala/globals/init.lua b/lua/kulala/globals/init.lua
index de973149..5472ab3c 100644
--- a/lua/kulala/globals/init.lua
+++ b/lua/kulala/globals/init.lua
@@ -2,7 +2,7 @@ local FS = require("kulala.utils.fs")
 
 local M = {}
 
-M.VERSION = "2.2.0"
+M.VERSION = "2.2.1"
 M.UI_ID = "kulala://ui"
 M.HEADERS_FILE = FS.get_plugin_tmp_dir() .. "/headers.txt"
 M.BODY_FILE = FS.get_plugin_tmp_dir() .. "/body.txt"
diff --git a/lua/kulala/parser/init.lua b/lua/kulala/parser/init.lua
index c759f9e7..13e9c129 100644
--- a/lua/kulala/parser/init.lua
+++ b/lua/kulala/parser/init.lua
@@ -124,11 +124,11 @@ M.get_document = function()
         if is_request_line == false then
           is_body_section = true
         end
-      elseif line:match("^@%w+") then
+      elseif line:match("^@([%w_]+)") then
         -- Variable
         -- Variables are defined as `@variable_name=value`
         -- The value can be a string, a number or boolean
-        local variable_name, variable_value = line:match("^%@(%w+)%s*=%s*(.*)$")
+        local variable_name, variable_value = line:match("^@([%w_]+)%s*=%s*(.*)$")
         if variable_name and variable_value then
           -- remove the @ symbol from the variable name
           variable_name = variable_name:sub(1)
diff --git a/package.json b/package.json
index e798d140..aa5afc4d 100644
--- a/package.json
+++ b/package.json
@@ -1,4 +1,4 @@
 {
   "name": "kulala.nvim",
-  "version": "2.2.0"
+  "version": "2.2.1"
 }