diff --git a/.changes/1.0.8-b3.md b/.changes/1.0.8-b3.md
new file mode 100644
index 00000000..d73520b5
--- /dev/null
+++ b/.changes/1.0.8-b3.md
@@ -0,0 +1,9 @@
+## dbt-postgres 1.0.8-b3 - April 16, 2024
+
+### Fixes
+
+* Determine `psycopg2` based on `platform_system` (Linux or other), remove usage of `DBT_PSYCOPG2_NAME` environment variable
+
+### Under the Hood
+
+* Update dependabot configuration to cover GHA
diff --git a/.changes/unreleased/Fixes-20240412-153154.yaml b/.changes/unreleased/Fixes-20240412-153154.yaml
deleted file mode 100644
index c64659af..00000000
--- a/.changes/unreleased/Fixes-20240412-153154.yaml
+++ /dev/null
@@ -1,6 +0,0 @@
-kind: Fixes
-body: Determine `psycopg2` based on `platform_system` (Linux or other), remove usage of `DBT_PSYCOPG2_NAME` environment variable
-time: 2024-04-12T15:31:54.861201-04:00
-custom:
-  Author: mikealfare
-  Issue: "60"
diff --git a/.changes/unreleased/Under the Hood-20240410-180644.yaml b/.changes/unreleased/Under the Hood-20240410-180644.yaml
deleted file mode 100644
index 2f7eeda6..00000000
--- a/.changes/unreleased/Under the Hood-20240410-180644.yaml	
+++ /dev/null
@@ -1,6 +0,0 @@
-kind: Under the Hood
-body: Update dependabot configuration to cover GHA
-time: 2024-04-10T18:06:44.884603-04:00
-custom:
-  Author: mikealfare
-  Issue: "56"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 29a31234..6c13880e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,3 +19,14 @@ and is generated by [Changie](https://github.com/miniscruff/changie).
 ### Security
 
 * Pin `black>=24.3` in `pyproject.toml`
+
+## dbt-postgres 1.0.8-b3 - April 16, 2024
+
+### Fixes
+
+* Determine `psycopg2` based on `platform_system` (Linux or other), remove usage of `DBT_PSYCOPG2_NAME` environment variable
+
+### Under the Hood
+
+* Update dependabot configuration to cover GHA
+
diff --git a/dbt/adapters/postgres/__version__.py b/dbt/adapters/postgres/__version__.py
index 7d16c28f..6b76061f 100644
--- a/dbt/adapters/postgres/__version__.py
+++ b/dbt/adapters/postgres/__version__.py
@@ -1 +1 @@
-version = "1.8.0b2"
+version = "1.8.0b4"