diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 # ChangeLog for monad-logger
 
+## 0.3.41
+
+* Add `MonadAccum` instances for `LoggingT` and `NoLoggingT`
+
 ## 0.3.40
 
 * Relax `fast-logger` upper bound from 3.2 to 3.3
diff --git a/Control/Monad/Logger.hs b/Control/Monad/Logger.hs
--- a/Control/Monad/Logger.hs
+++ b/Control/Monad/Logger.hs
@@ -170,6 +170,9 @@
 import Control.Monad.Reader.Class ( MonadReader (..) )
 import Control.Monad.State.Class  ( MonadState (..) )
 import Control.Monad.Writer.Class ( MonadWriter (..) )
+#if MIN_VERSION_mtl(2, 3, 1)
+import Control.Monad.Accum        ( MonadAccum (..) )
+#endif
 
 #if WITH_CALLSTACK
 import GHC.Stack as GHC
@@ -903,6 +906,16 @@
     tell   = Trans.lift . tell
     listen = mapNoLoggingT listen
     pass   = mapNoLoggingT pass
+    
+#if MIN_VERSION_mtl(2, 3, 1)
+-- | @since 0.3.41
+instance MonadAccum w m => MonadAccum w (LoggingT m) where
+  accum = Trans.lift . accum
+
+-- | @since 0.3.41
+instance MonadAccum w m => MonadAccum w (NoLoggingT m) where
+  accum = Trans.lift . accum
+#endif
 
 -- | dummy location, used with 'logWithoutLoc'
 --
diff --git a/monad-logger.cabal b/monad-logger.cabal
--- a/monad-logger.cabal
+++ b/monad-logger.cabal
@@ -1,11 +1,11 @@
 cabal-version: 1.12
 
--- This file has been generated from package.yaml by hpack version 0.35.1.
+-- This file has been generated from package.yaml by hpack version 0.37.0.
 --
 -- see: https://github.com/sol/hpack
 
 name:           monad-logger
-version:        0.3.40
+version:        0.3.41
 synopsis:       A class of monads which can log messages.
 description:    See README and Haddocks at <https://www.stackage.org/package/monad-logger>
 category:       System