diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 745d17e..919e126 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,8 @@ jobs:
       matrix:
         NXF_VER:
           - "23.04.0"
-          - "latest-everything"
+          - "23.10.1"
+          #- "latest-everything"
     steps:
       - name: Check out pipeline code
         uses: actions/checkout@v3
diff --git a/CHANGELOG.md b/CHANGELOG.md
index af9c591..8f2017f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,15 @@
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.1.1] - 2024-04-19
+
+### Added
+
+### Changed
+
+- Switched the resource label for **prefetchchecker** from `process_low` to `process_single`.
+- Switched GitHub continuous integration to test against at most Nextflow `23.10.1` (due to differences in outputs with later Nextflow pre-releases).
+
 ## [1.1.0] - 2024-04-10
 
 ### Added
diff --git a/modules/local/prefetchchecker/main.nf b/modules/local/prefetchchecker/main.nf
index bec2527..4fe0a8d 100644
--- a/modules/local/prefetchchecker/main.nf
+++ b/modules/local/prefetchchecker/main.nf
@@ -1,6 +1,6 @@
 process PREFETCH_CHECKER {
     tag "prefetch_checker"
-    label 'process_low'
+    label 'process_single'
 
     input:
     val failures  // list of failures
diff --git a/nextflow.config b/nextflow.config
index 5e5b9b2..de1725a 100644
--- a/nextflow.config
+++ b/nextflow.config
@@ -198,7 +198,7 @@ manifest {
     description     = """IRIDA Next pipeline for fetching data from NCBI"""
     mainScript      = 'main.nf'
     nextflowVersion = '!>=23.04.0'
-    version         = '1.1.0'
+    version         = '1.1.1'
     doi             = ''
     defaultBranch   = 'main'
 }