diff --git a/Release-notes.md b/Release-notes.md
index 336e320..be97334 100644
--- a/Release-notes.md
+++ b/Release-notes.md
@@ -7,6 +7,10 @@
 - In `obipairing`, correct the stats `seq_a_single` and `seq_b_single` when
   on right alignment mode
 
+- Not really a bug but the memory impact of `obiuniq` has been reduced by reducing
+  the batch size and not reading the qualities from the fastq files as `obiuniq`
+  is producing only fasta output without qualities.
+
 ### New features
 
 -   Most of the time obitools identify automatically sequence file format. But
diff --git a/cmd/obitools/obiuniq/main.go b/cmd/obitools/obiuniq/main.go
index cba8b73..510e8eb 100644
--- a/cmd/obitools/obiuniq/main.go
+++ b/cmd/obitools/obiuniq/main.go
@@ -30,6 +30,7 @@ func main() {
 	// trace.Start(ftrace)
 	// defer trace.Stop()
 
+	obioptions.SetBatchSize(10)
 	obioptions.SetReadQualities(false)
 	optionParser := obioptions.GenerateOptionParser(obiuniq.OptionSet)
 
diff --git a/pkg/obioptions/version.go b/pkg/obioptions/version.go
index e800a5d..2319e78 100644
--- a/pkg/obioptions/version.go
+++ b/pkg/obioptions/version.go
@@ -7,7 +7,7 @@ import (
 // TODO: The version number is extracted from git. This induces that the version
 // corresponds to the last commit, and not the one when the file will be
 // commited
-var _Commit = "d29a56d"
+var _Commit = "40fb4e9"
 var _Version = "Release 4.3.0"
 
 // Version returns the version of the obitools package.