diff --git a/CHANGELOG.md b/CHANGELOG.md
index b7318be..ceb85b5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## Unreleased
+## 3.1.1 (2024-07-09)
 
 - Cache remote JSON schemas for extensions (#155, @avbentem)
 - add `requests` and `jsonschema` in a **validation** optional dependencies (#156, @vincentsarago)
diff --git a/stac_pydantic/version.py b/stac_pydantic/version.py
index 602c321..36a4167 100644
--- a/stac_pydantic/version.py
+++ b/stac_pydantic/version.py
@@ -1,5 +1,5 @@
 """stac-pydantic and STAC spec versions."""
 
-__version__ = "3.1.0"
+__version__ = "3.1.1"
 
 STAC_VERSION = "1.0.0"