diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -2,6 +2,10 @@
 
 # 0.7.1.0
 
+* Plug a space leak in the concurrent logger.
+
+# 0.7.1.0
+
 * Add parser for `Severity`.
 * Export `interpretDataLog`.
 * Export `local`.
diff --git a/lib/Polysemy/Log/Effect/DataLog.hs b/lib/Polysemy/Log/Effect/DataLog.hs
--- a/lib/Polysemy/Log/Effect/DataLog.hs
+++ b/lib/Polysemy/Log/Effect/DataLog.hs
@@ -4,6 +4,7 @@
 module Polysemy.Log.Effect.DataLog where
 
 import Polysemy.Time (GhcTime)
+import Prelude hiding (local)
 
 import Polysemy.Log.Data.LogEntry (LogEntry, annotate)
 import Polysemy.Log.Data.LogMessage (LogMessage (LogMessage))
diff --git a/polysemy-log.cabal b/polysemy-log.cabal
--- a/polysemy-log.cabal
+++ b/polysemy-log.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           polysemy-log
-version:        0.7.2.0
+version:        0.8.0.0
 synopsis:       Polysemy effects for logging
 description:    See https://hackage.haskell.org/package/polysemy-log/docs/Polysemy-Log.html
 category:       Logging
@@ -113,9 +113,9 @@
     , async
     , base >=4.12 && <5
     , incipit-core >=0.3
-    , polysemy >=1.6
-    , polysemy-conc >=0.9
-    , polysemy-time >=0.5
+    , polysemy >=1.6 && <2
+    , polysemy-conc >=0.10 && <0.12
+    , polysemy-time ==0.5.*
     , stm
     , time
   mixins: