diff --git a/CHANGELOG.md b/CHANGELOG.md
index be30813..494408e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -50,7 +50,9 @@ Initial release of QUANTS, created with the [nf-core](https://nf-co.re/) templat
 
 * Collation of cutadapt JSON results into single JSON file
 * Collation of SeqKit statistics results into a single TSV file
-* Update version of pyQUEST to version 1.1.0 
-    * Improved handling of 0-length reads 
-    * Ability to extract top 50 library-independent counts as FASTA 
+* Update version of pyQUEST to version 1.1.0
+    * Improved handling of 0-length reads
+    * Ability to extract top 50 library-independent counts as FASTA
+## 3.0.0.3 - [24th January 2024]
 
+* Hotfix to force COLLATE_CUTADAPT_JSONS to run on 1 cpu
\ No newline at end of file
diff --git a/conf/base.config b/conf/base.config
index 37b92b1..5f69215 100644
--- a/conf/base.config
+++ b/conf/base.config
@@ -57,5 +57,6 @@ process {
 
     withName:COLLATE_CUTADAPT_JSONS {
         executor = 'local'
+        cpus = 1
     }
 }
diff --git a/nextflow.config b/nextflow.config
index 8d6c77c..1579aa2 100644
--- a/nextflow.config
+++ b/nextflow.config
@@ -190,7 +190,7 @@ manifest {
     description     = 'Analysis pipeline for saturation genome editing screens'
     mainScript      = 'main.nf'
     nextflowVersion = '!>=21.10.6'
-    version         = '3.0.0.2'
+    version         = '3.0.0.3'
 }
 
 // Function to ensure that resource requirements don't go beyond