diff --git a/package.yaml b/package.yaml
index 2f5ea385a6..af592f0e7e 100644
--- a/package.yaml
+++ b/package.yaml
@@ -1,5 +1,5 @@
 name: simplex-chat
-version: 4.5.4.1
+version: 4.5.4.2
 #synopsis:
 #description:
 homepage: https://github.com/simplex-chat/simplex-chat#readme
diff --git a/simplex-chat.cabal b/simplex-chat.cabal
index 82e8b6fd74..658b057e3b 100644
--- a/simplex-chat.cabal
+++ b/simplex-chat.cabal
@@ -5,7 +5,7 @@ cabal-version: 1.12
 -- see: https://github.com/sol/hpack
 
 name:           simplex-chat
-version:        4.5.4.1
+version:        4.5.4.2
 category:       Web, System, Services, Cryptography
 homepage:       https://github.com/simplex-chat/simplex-chat#readme
 author:         simplex.chat
diff --git a/src/Simplex/Chat.hs b/src/Simplex/Chat.hs
index 8d7b3dc44d..84ef81c547 100644
--- a/src/Simplex/Chat.hs
+++ b/src/Simplex/Chat.hs
@@ -15,7 +15,7 @@
 module Simplex.Chat where
 
 import Control.Applicative (optional, (<|>))
-import Control.Concurrent.STM (retry)
+import Control.Concurrent.STM (retry, stateTVar)
 import Control.Logger.Simple
 import Control.Monad.Except
 import Control.Monad.IO.Unlift
diff --git a/src/Simplex/Chat/Store.hs b/src/Simplex/Chat/Store.hs
index 22f82721a9..12c8f6bd73 100644
--- a/src/Simplex/Chat/Store.hs
+++ b/src/Simplex/Chat/Store.hs
@@ -259,6 +259,7 @@ module Simplex.Chat.Store
 where
 
 import Control.Applicative ((<|>))
+import Control.Concurrent.STM (stateTVar)
 import Control.Exception (Exception)
 import qualified Control.Exception as E
 import Control.Monad.Except