diff --git a/CHANGES b/CHANGES
index ca955476..b52615a6 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,4 @@
+1.6.26  20220126 Fix issue raised in github PR #219
 1.6.25  20220126 Remove old 'ipaddress' module requirement from Python2.7 days
 1.6.24  20220125 Update CHANGES to match most recent github version
 1.6.21  20220112 Commit with ccp_logger_control feature incompete
diff --git a/pyproject.toml b/pyproject.toml
index e122acb7..e2d675f1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -38,7 +38,7 @@ toml = "0.10.2"
 
 [tool.poetry.dev-dependencies]
 pytest = "6.2.4"
-pre-commit = "2.16.0"
+pre-commit = {version = "2.16.0", python = "^3.6.1"}
 black = ">=20.8b1"
 fabric = "2.6.0"
 Sphinx = "^4.3.0"