diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+# consumers-2.2.0.5 (2021-10-12)
+* Adjust to changes in log-base-0.11.
+
 # consumers-2.2.0.4 (2021-06-09)
 * Adjust to changes in log-base-0.10.
 
diff --git a/consumers.cabal b/consumers.cabal
--- a/consumers.cabal
+++ b/consumers.cabal
@@ -1,5 +1,5 @@
 name:               consumers
-version:            2.2.0.4
+version:            2.2.0.5
 synopsis:           Concurrent PostgreSQL data consumers
 
 description:        Library for setting up concurrent consumers of data
@@ -39,7 +39,7 @@
                   , hpqtypes          >= 1.7    && < 2.0
                   , lifted-base       >= 0.2    && < 0.3
                   , lifted-threads    >= 1.0    && < 1.1
-                  , log-base          >= 0.7    && < 0.11
+                  , log-base          >= 0.11   && < 0.12
                   , monad-control     >= 1.0    && < 1.1
                   , monad-time        >= 0.3    && < 0.4
                   , mtl               >= 2.2    && < 2.3
diff --git a/example/Example.hs b/example/Example.hs
--- a/example/Example.hs
+++ b/example/Example.hs
@@ -45,7 +45,7 @@
 
   -- Monad stack initialisation.
   withSimpleStdOutLogger $ \logger ->
-    runLogT "consumers-example" logger $
+    runLogT "consumers-example" logger defaultLogLevel $
     runDBT connSource defaultTransactionSettings $ do
 
         -- Initialise.
diff --git a/test/Test.hs b/test/Test.hs
--- a/test/Test.hs
+++ b/test/Test.hs
@@ -63,7 +63,7 @@
 
 runTestEnv :: ConnectionSourceM (LogT IO) -> Logger -> TestEnv a -> IO a
 runTestEnv connSource logger m =
-    (runLogT "consumers-test" logger)
+    (runLogT "consumers-test" logger defaultLogLevel)
   . (runDBT connSource defaultTransactionSettings)
   . (\m' -> fst <$> (runStateT m' $ TestEnvSt $ UTCTime (ModifiedJulianDay 0) 0))
   . unTestEnv