diff --git a/unison-cli/src/Unison/Share/Sync.hs b/unison-cli/src/Unison/Share/Sync.hs
index bffb8b9cad..aa660b25af 100644
--- a/unison-cli/src/Unison/Share/Sync.hs
+++ b/unison-cli/src/Unison/Share/Sync.hs
@@ -80,7 +80,7 @@ maxSimultaneousPullDownloaders = 5
 -- Share currently parallelizes on it's own in the backend, and any more than one push worker
 -- just results in serialization conflicts which slow things down.
 maxSimultaneousPushWorkers :: Int
-maxSimultaneousPushWorkers = 5
+maxSimultaneousPushWorkers = 1
 
 ------------------------------------------------------------------------------------------------------------------------
 -- Push