diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 8003870..685724e 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -24,6 +24,8 @@ repos:
           - flake8-builtins
           - flake8-absolute-import
           - flake8-print
+          # avoid snowballstemmer>=3.0 as it causes flake8-docstrings to stop working [CW-6098]
+          - snowballstemmer==2.2.0
         args: [
             "bin",
             "--import-order-style=google",
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 88a875e..67c73b7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,12 +7,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 ### Changed
-- Updated to wf-template v5.6.0, changing:
+- Updated to wf-template v5.6.1, changing:
     - Reduce verbosity of debug logging from fastcat which can occasionally occlude errors found in FASTQ files during ingress.
     - Log banner art to say "EPI2ME" instead of "EPI2ME Labs" to match current branding. This has no effect on the workflow outputs.
+    - pre-commit configuration to resolve an internal dependency problem with flake8. This has no effect on the workflow.
 
 ### Fixed
-- Updated to wf-template v5.6.0, fixing:
+- Updated to wf-template v5.6.1, fixing:
     - dacite.exceptions.WrongTypeError during report generation when barcode is null.
     - Sequence summary read length N50 incorrectly displayed minimum read length, it now correctly shows the N50.
     - Sequence summary component alignment and coverage plots failed to plot under some conditions.