diff --git a/.changes/1.2.1.md b/.changes/1.2.1.md
new file mode 100644
index 00000000..f838b769
--- /dev/null
+++ b/.changes/1.2.1.md
@@ -0,0 +1,10 @@
+## dbt-adapter 1.2.1 - May 21, 2024
+
+### Features
+
+* Improvement of the compile error message in the get_fixture-sql.sql when the relation or the model not exist
+
+### Under the Hood
+
+* Add query recording for adapters which use SQLConnectionManager
+* Improve memory efficiency of process_results()
diff --git a/.changes/unreleased/Features-20240511-032253.yaml b/.changes/unreleased/Features-20240511-032253.yaml
deleted file mode 100644
index b81ff9c0..00000000
--- a/.changes/unreleased/Features-20240511-032253.yaml
+++ /dev/null
@@ -1,7 +0,0 @@
-kind: Features
-body: Improvement of the compile error message in the get_fixture-sql.sql when the
-  relation or the model not exist
-time: 2024-05-11T03:22:53.40817477-05:00
-custom:
-  Author: AlejandroBlanco2001
-  Issue: "10014"
diff --git a/.changes/unreleased/Under the Hood-20240503-162655.yaml b/.changes/unreleased/Under the Hood-20240503-162655.yaml
deleted file mode 100644
index 1d2946f0..00000000
--- a/.changes/unreleased/Under the Hood-20240503-162655.yaml	
+++ /dev/null
@@ -1,6 +0,0 @@
-kind: Under the Hood
-body: Add query recording for adapters which use SQLConnectionManager
-time: 2024-05-03T16:26:55.350916-04:00
-custom:
-  Author: peterallenwebb
-  Issue: "195"
diff --git a/.changes/unreleased/Under the Hood-20240516-105757.yaml b/.changes/unreleased/Under the Hood-20240516-105757.yaml
deleted file mode 100644
index a5a47c8c..00000000
--- a/.changes/unreleased/Under the Hood-20240516-105757.yaml	
+++ /dev/null
@@ -1,6 +0,0 @@
-kind: Under the Hood
-body: Improve memory efficiency of process_results()
-time: 2024-05-16T10:57:57.480672-04:00
-custom:
-  Author: peterallenwebb
-  Issue: "217"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 76b1928b..aaa477cf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,17 @@ and is generated by [Changie](https://github.com/miniscruff/changie).
 
 * Update Clone test to reflect core change removing `deferred` attribute from nodes
 
+## dbt-adapter 1.2.1 - May 21, 2024
+
+### Features
+
+* Improvement of the compile error message in the get_fixture-sql.sql when the relation or the model not exist
+
+### Under the Hood
+
+* Add query recording for adapters which use SQLConnectionManager
+* Improve memory efficiency of process_results()
+
 ## dbt-adapter 1.1.1 - May 07, 2024
 
 ### Features
diff --git a/dbt/adapters/__about__.py b/dbt/adapters/__about__.py
index 64c8c21b..eb1d9a0f 100644
--- a/dbt/adapters/__about__.py
+++ b/dbt/adapters/__about__.py
@@ -1 +1 @@
-version = "1.1.1"
+version = "1.2.1"