diff --git a/Changelog.md b/Changelog.md
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,3 +1,7 @@
+### 1.2.4
+
+- Added support for *https* connections in module *NgxExport.Tools.Subrequest*.
+
 ### 1.2.3
 
 - In module *NgxExport.Tools.EDE*, custom EDE filters are now passed into
diff --git a/NgxExport/Tools/PCRE.hs b/NgxExport/Tools/PCRE.hs
--- a/NgxExport/Tools/PCRE.hs
+++ b/NgxExport/Tools/PCRE.hs
@@ -283,7 +283,7 @@
 --
 -- ==== File /test_tools_extra_pcre.hs/
 -- @
--- {-\# LANGUAGE TemplateHaskell \#-}
+-- {-\# LANGUAGE TemplateHaskell, LambdaCase \#-}
 --
 -- module TestToolsExtraPCRE where
 --
@@ -295,7 +295,9 @@
 -- import qualified Data.ByteString.Lazy as L
 --
 -- gsubSwapAround :: ByteString -> IO L.ByteString
--- __/gsubSwapAround/__ = 'gsubRegexWith' $ \\_ (a : d : b : _) -> B.concat [b, d, a]
+-- __/gsubSwapAround/__ = 'gsubRegexWith' $ const $ \\case 
+--     a : d : b : _ -> B.concat [b, d, a]
+--     \_ -> B.empty
 --
 -- 'ngxExportIOYY' \'gsubSwapAround
 -- @
diff --git a/NgxExport/Tools/Prometheus.hs b/NgxExport/Tools/Prometheus.hs
--- a/NgxExport/Tools/Prometheus.hs
+++ b/NgxExport/Tools/Prometheus.hs
@@ -579,7 +579,7 @@
                                      ]
                           ,n
                           )
-                      _  -> a
+                      _ -> a
                   else let n' = n + v
                        in (TL.concat [t, k
                                      ,"_bucket{le=\"", TL.fromStrict l, "\""
diff --git a/NgxExport/Tools/Subrequest.hs b/NgxExport/Tools/Subrequest.hs
--- a/NgxExport/Tools/Subrequest.hs
+++ b/NgxExport/Tools/Subrequest.hs
@@ -4,7 +4,7 @@
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  NgxExport.Tools.Subrequest
--- Copyright   :  (c) Alexey Radkov 2020-2022
+-- Copyright   :  (c) Alexey Radkov 2020-2023
 -- License     :  BSD-style
 --
 -- Maintainer  :  alexey.radkov@gmail.com
@@ -53,6 +53,7 @@
 
 import           Network.HTTP.Client hiding (ResponseTimeout)
 import qualified Network.HTTP.Client (HttpExceptionContent (ResponseTimeout))
+import           Network.HTTP.Client.TLS (newTlsManager)
 import           Network.HTTP.Client.BrReadWithTimeout
 import           Network.HTTP.Types
 import qualified Network.Socket as S
@@ -129,7 +130,7 @@
 --     }
 --
 --     haskell_run_service __/simpleService_makeRequest/__ $hs_service_httpbin
---             \'{\"uri\": \"http:\/\/httpbin.org\"}\';
+--             \'{\"uri\": \"https:\/\/httpbin.org\"}\';
 --
 --     haskell_var_empty_on_error $hs_subrequest;
 --
@@ -255,10 +256,9 @@
         srUseUDS <- fromMaybe False <$> o .:? "useUDS"
         return SubrequestConf {..}
 
-data BridgeConf =
-    BridgeConf { bridgeSource  :: SubrequestConf
-               , bridgeSink :: SubrequestConf
-               } deriving Read
+data BridgeConf = BridgeConf { bridgeSource :: SubrequestConf
+                             , bridgeSink :: SubrequestConf
+                             } deriving Read
 
 instance FromJSON BridgeConf where
     parseJSON = withObject "BridgeConf" $ \o -> do
@@ -290,10 +290,7 @@
     (Response L.ByteString -> L.ByteString) -> SubrequestConf ->
     IO L.ByteString
 subrequest parseRequestF buildResponseF sub@SubrequestConf {..} = do
-    man <- if srUseUDS
-               then fromMaybe (throw UDSNotConfiguredError) <$>
-                        readIORef httpUDSManager
-               else return httpManager
+    man <- getManager sub
     req <- parseRequestF srUri
     buildResponseF <$> httpLbsBrReadWithTimeout (makeRequest sub req) man
 
@@ -332,13 +329,19 @@
 subrequestFull = handleFullResponse . subrequest parseRequest buildFullResponse
 
 httpManager :: Manager
-httpManager = unsafePerformIO $ newManager defaultManagerSettings
+httpManager = unsafePerformIO newTlsManager
 {-# NOINLINE httpManager #-}
 
 httpUDSManager :: IORef (Maybe Manager)
 httpUDSManager = unsafePerformIO $ newIORef Nothing
 {-# NOINLINE httpUDSManager #-}
 
+getManager :: SubrequestConf -> IO Manager
+getManager SubrequestConf {..}
+    | srUseUDS =
+        fromMaybe (throw UDSNotConfiguredError) <$> readIORef httpUDSManager
+    | otherwise = return httpManager
+
 -- | Makes an HTTP request.
 --
 -- This is the core function of the /makeSubrequest/ handler. From perspective
@@ -478,7 +481,7 @@
                { managerRawConnection = return $ openUDS udsPath }
     writeIORef httpUDSManager $ Just man
     return ""
-    where openUDS path _ _ _  = do
+    where openUDS path _ _ _ = do
               s <- S.socket S.AF_UNIX S.Stream S.defaultProtocol
               S.connect s (S.SockAddrUnix path)
               makeConnection (SB.recv s 4096) (SB.sendAll s) (S.close s)
@@ -1025,14 +1028,8 @@
     (Response L.ByteString -> L.ByteString) -> BridgeConf ->
     IO L.ByteString
 bridgedSubrequest parseRequestF buildResponseF BridgeConf {..} = do
-    manIn <- if srUseUDS bridgeSource
-                 then fromMaybe (throw UDSNotConfiguredError) <$>
-                          readIORef httpUDSManager
-                 else return httpManager
-    manOut <- if srUseUDS bridgeSink
-                  then fromMaybe (throw UDSNotConfiguredError) <$>
-                           readIORef httpUDSManager
-                  else return httpManager
+    manIn <- getManager bridgeSource
+    manOut <- getManager bridgeSink
     -- BEWARE: a non-2xx response from the bridge source will throw
     -- StatusCodeException with this status which finally will be returned as
     -- the status code of the whole bridged subrequest
diff --git a/ngx-export-tools-extra.cabal b/ngx-export-tools-extra.cabal
--- a/ngx-export-tools-extra.cabal
+++ b/ngx-export-tools-extra.cabal
@@ -1,5 +1,5 @@
 name:                       ngx-export-tools-extra
-version:                    1.2.3
+version:                    1.2.4
 synopsis:                   More extra tools for Nginx haskell module
 description:                More extra tools for
         <https://github.com/lyokha/nginx-haskell-module Nginx haskell module>.
@@ -43,6 +43,7 @@
                           , ngx-export-tools >= 1.0
                           , http-types >= 0.7.0
                           , http-client >= 0.5.3
+                          , http-client-tls >= 0.3.4
                           , http-client-brread-timeout
                           , network >= 2.4.0.0
                           , async >= 2.0.1.0
