diff --git a/CHANGELOG.md b/CHANGELOG.md
index f956001..55fa254 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+### Added
+
+- Add option to control keepalive connection state (#137).
+
 ## [1.1.1] - 2021-10-28
 
 ### Changed
diff --git a/README.md b/README.md
index 7d0e8a2..b30988e 100644
--- a/README.md
+++ b/README.md
@@ -130,6 +130,9 @@ httpd = require('http.server').new(host, port[, { options } ])
 
   By default uses `log.info` function for requests logging.
 * `log_errors` - same as the `log_requests` option but is used for error messages logging. By default uses `log.error()` function.
+* `keepalive_disable` - disables keep-alive connections with misbehaving
+  clients. Parameter accept a map that contains a user agents with non-nil
+  value. By default map is empty.
 
 ## Using routes
 
diff --git a/http/server.lua b/http/server.lua
index 6506402..fa24ac8 100644
--- a/http/server.lua
+++ b/http/server.lua
@@ -23,6 +23,17 @@ local function sprintf(fmt, ...)
     return string.format(fmt, ...)
 end
 
+local function is_no_keepalive(disallowed_map, useragent)
+    if type(disallowed_map) ~= 'table' or useragent == nil then
+        return false
+    end
+    if disallowed_map[useragent] ~= nil then
+        return true
+    end
+
+    return false
+end
+
 local function valid_cookie_value_byte(byte)
     -- https://tools.ietf.org/html/rfc6265#section-4.1.1
     -- US-ASCII characters excluding CTLs, whitespace DQUOTE, comma, semicolon,
@@ -887,6 +898,12 @@ local function process_client(self, s, peer)
             end
         end
 
+        local no_keepalive = is_no_keepalive(self.options.keepalive_disable,
+                                             p.headers['user-agent'])
+        if no_keepalive == true then
+            hdrs.connection = 'close'
+        end
+
         local response = {
             "HTTP/1.1 ";
             status;
@@ -1290,6 +1307,7 @@ local exports = {
             log_requests        = true,
             log_errors          = true,
             display_errors      = true,
+            keepalive_disable   = {},
         }
 
         local self = {
diff --git a/test/integration/http_server_options_test.lua b/test/integration/http_server_options_test.lua
new file mode 100644
index 0000000..3cb2a59
--- /dev/null
+++ b/test/integration/http_server_options_test.lua
@@ -0,0 +1,75 @@
+local t = require('luatest')
+local http_client = require('http.client')
+
+local helpers = require('test.helpers')
+
+local g = t.group()
+
+g.before_test('test_keepalive_default', function()
+    g.httpd = helpers.cfgserv()
+    g.httpd:start()
+end)
+
+g.before_test('test_keepalive_change_in_runtime', function()
+    g.httpd = helpers.cfgserv()
+    g.httpd:start()
+end)
+
+g.before_test('test_keepalive_allowed', function()
+    g.httpd = helpers.cfgserv()
+    g.httpd:start()
+end)
+
+g.before_test('test_keepalive_disallowed', function()
+    local useragent = 'Mozilla/4.0'
+    g.httpd = helpers.cfgserv({
+        keepalive_disable = {
+            [useragent] = true,
+        }
+    })
+    g.httpd:start()
+end)
+
+g.after_each(function()
+    helpers.teardown(g.httpd)
+end)
+
+g.test_keepalive_default = function(g)
+    local httpd = g.httpd
+    t.assert_equals(httpd.options.keepalive_disable, {})
+end
+
+g.test_keepalive_allowed = function()
+    local useragent = 'Mozilla/4.0'
+    local r = http_client.request('GET', helpers.base_uri .. '/test', nil, {
+        headers = {
+            ['user-agent'] = useragent,
+            connection = 'keep-alive'
+        },
+    })
+    t.assert_equals(r.status, 200)
+    t.assert_equals(r.headers.connection, 'keep-alive')
+end
+
+g.test_keepalive_disallowed = function()
+    local useragent = 'Mozilla/4.0'
+    local r = http_client.request('GET', helpers.base_uri .. '/test', nil, {
+        headers = {
+            ['user-agent'] = useragent,
+            connection = 'keep-alive'
+        },
+    })
+    t.assert_equals(r.status, 200)
+    t.assert_equals(r.headers.connection, 'close')
+end
+
+g.test_keepalive_change_in_runtime = function(g)
+    local httpd = g.httpd
+    t.assert_equals(httpd.options.keepalive_disable, {})
+    httpd.options.keepalive_disable = {
+        ['Mozilla/4.0'] = true
+    }
+    t.assert_equals(httpd.options.keepalive_disable, {
+        ["Mozilla/4.0"] = true
+    })
+end