diff --git a/HISTORY.md b/HISTORY.md
index 95c367b3..14ba5c1a 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -4,6 +4,10 @@ In the beginning, programmers created the databases. Now the databases were form
 
 And so [Salesforce.org](http://salesforce.org/) said “Let there be data,” and there was Snowfakery. And it was good.
 
+## Snowfakery 4.0.0
+
+Drop support for Python versions 3.8, 3.9, and 3.10 (#1091)
+
 ## Snowfakery 3.6.3
 
 Update dependencies.
diff --git a/snowfakery/__about__.py b/snowfakery/__about__.py
index 2eb95d97..ce1305bf 100644
--- a/snowfakery/__about__.py
+++ b/snowfakery/__about__.py
@@ -1 +1 @@
-__version__ = "3.93.0"
+__version__ = "4.0.0"