diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,10 @@
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+
+## [Unreleased]
+
+## [0.0.1.1] - 2021-01-15
+### Changed
+- bump dependencies and make code compile again
diff --git a/mealstrom.cabal b/mealstrom.cabal
--- a/mealstrom.cabal
+++ b/mealstrom.cabal
@@ -1,7 +1,7 @@
 cabal-version:       2.2
 
 name:                mealstrom
-version:             0.0.1.0
+version:             0.0.1.1
 synopsis:            Manipulate FSMs and store them in PostgreSQL.
 homepage:            https://github.com/linearray/mealstrom
 bug-reports:         https://github.com/linearray/mealstrom/issues
@@ -11,6 +11,9 @@
     a kind of finite-state machine, in Haskell using PostgreSQL for
     persistence.
 
+extra-source-files:
+                     README.md
+                     CHANGELOG.md
 license:             MIT
 license-file:        LICENSE
 author:              Max Amanshauser
@@ -23,17 +26,17 @@
 common deps
     build-depends:
       , base              >= 4.8      && < 5.0
-      , aeson             >= 1.1      && < 1.5
+      , aeson             >= 1.1      && < 1.6
       , async             >= 2.1.0    && < 2.3
       , bytestring        >= 0.10.8.1 && < 0.11
-      , hashable          >= 1.2.4    && < 1.3
-      , list-t            >= 1        && < 2
+      , hashable          >= 1.2.4    && < 1.4
+      , deferred-folds    >= 0.9.10.1 && < 1
       , postgresql-simple >= 0.5.1.2  && < 0.7
       , resource-pool     >= 0.2.3.2  && < 0.3
       , stm               >= 2.4.4.1  && < 2.6
-      , stm-containers    >= 0.2.15   && < 1
+      , stm-containers    >= 1.0      && < 1.3
       , text              >= 1.2.2.1  && < 1.3
-      , time              >= 1.6      && < 2.0
+      , time              >= 1.6      && < 1.12
       , uuid              >= 1.3.12   && < 1.4
 
 library
diff --git a/src/Mealstrom/MemoryStore.hs b/src/Mealstrom/MemoryStore.hs
--- a/src/Mealstrom/MemoryStore.hs
+++ b/src/Mealstrom/MemoryStore.hs
@@ -24,8 +24,8 @@
 import           Control.Exception
 import           Data.Text
 import           Data.Time
-import qualified ListT
-import           STMContainers.Map as Map
+import qualified DeferredFolds.UnfoldlM as UnfoldlM
+import           StmContainers.Map as Map
 
 import           Mealstrom.FSM
 import           Mealstrom.FSMStore
@@ -116,9 +116,9 @@
     getCurrentTime >>= \t -> atomically $
         let xx = addUTCTime (negate (fromInteger (toInteger cutoff) :: NominalDiffTime)) t in
 
-        ListT.fold (\acc (k,(t,w)) -> if t < xx
+        UnfoldlM.foldlM' (\acc (k,(t,w)) -> if t < xx
                                     then return (WALEntry k t w : acc)
-                                    else return acc) [] (stream memstoreWals)
+                                    else return acc) [] (Map.unfoldlM memstoreWals)
 
 
 printWal :: MemoryStore k s e a -> k -> IO ()
diff --git a/test/Main.hs b/test/Main.hs
--- a/test/Main.hs
+++ b/test/Main.hs
@@ -10,21 +10,30 @@
 import Database.PostgreSQL.Simple.Types
 
 import Data.ByteString.Char8             as DBSC8
+import Data.Maybe                           (fromMaybe)
+import Data.Semigroup ((<>))
 
+import System.Environment
+
 import Test.Tasty
 
 main :: IO ()
-main =
-    let c = "host='localhost' port=5432 dbname='fsmtest'" in do
-        conn <- connectPostgreSQL (DBSC8.pack c)
-        _    <- execute_ conn $ Query (DBSC8.pack "DROP SCHEMA public CASCADE; CREATE SCHEMA public;")
+main = do
+    h  <- fromMaybe "localhost" <$> lookupEnv "PGHOST"
+    p  <- fromMaybe "5432"      <$> lookupEnv "PGPORT"
+    u  <- fromMaybe "postgres"  <$> lookupEnv "PGUSER"
+    pw <- fromMaybe ""          <$> lookupEnv "PGPASSWORD"
 
-        defaultMain $ testGroup "All tests" [
-            runBasicTests c,
-            runFSM2FSMTests c,
-            runCounterTests c,
-            runRecoveryTests c,
-            runTimeoutTests c,
-            runExceptionTests c,
-            runUpgradeTests c
-            ]
+    let c = "host='" <> h <> "' port=" <> p <> " dbname='fsmtest' user='" <> u <> "' password='" <> pw <> "'"
+    conn <- connectPostgreSQL (DBSC8.pack c)
+    _    <- execute_ conn $ Query (DBSC8.pack "DROP SCHEMA public CASCADE; CREATE SCHEMA public;")
+
+    defaultMain $ testGroup "All tests" [
+        runBasicTests c,
+        runFSM2FSMTests c,
+        runCounterTests c,
+        runRecoveryTests c,
+        runTimeoutTests c,
+        runExceptionTests c,
+        runUpgradeTests c
+        ]