diff --git a/.changes/0.18.0.md b/.changes/0.18.0.md
new file mode 100644
index 00000000..4996c759
--- /dev/null
+++ b/.changes/0.18.0.md
@@ -0,0 +1,11 @@
+## 0.18.0 (January 24, 2024)
+
+FEATURES:
+
+* generate: Add support for Provider-defined Function documentation ([#328](https://github.com/hashicorp/terraform-plugin-docs/issues/328))
+* migrate: Add support for Provider-defined Function documentation ([#328](https://github.com/hashicorp/terraform-plugin-docs/issues/328))
+
+ENHANCEMENTS:
+
+* validate: Add `functions` to list of allowed template and rendered website subdirectories ([#328](https://github.com/hashicorp/terraform-plugin-docs/issues/328))
+
diff --git a/.changes/unreleased/ENHANCEMENTS-20240122-160317.yaml b/.changes/unreleased/ENHANCEMENTS-20240122-160317.yaml
deleted file mode 100644
index 1ad48423..00000000
--- a/.changes/unreleased/ENHANCEMENTS-20240122-160317.yaml
+++ /dev/null
@@ -1,6 +0,0 @@
-kind: ENHANCEMENTS
-body: 'validate: Add `functions` to list of allowed template and rendered website
-  subdirectories'
-time: 2024-01-22T16:03:17.035362-05:00
-custom:
-  Issue: "328"
diff --git a/.changes/unreleased/FEATURES-20240122-160026.yaml b/.changes/unreleased/FEATURES-20240122-160026.yaml
deleted file mode 100644
index 8a6c3bb5..00000000
--- a/.changes/unreleased/FEATURES-20240122-160026.yaml
+++ /dev/null
@@ -1,5 +0,0 @@
-kind: FEATURES
-body: 'generate: Add support for Provider-defined Function documentation'
-time: 2024-01-22T16:00:26.052538-05:00
-custom:
-  Issue: "328"
diff --git a/.changes/unreleased/FEATURES-20240122-160050.yaml b/.changes/unreleased/FEATURES-20240122-160050.yaml
deleted file mode 100644
index 4b61a7cb..00000000
--- a/.changes/unreleased/FEATURES-20240122-160050.yaml
+++ /dev/null
@@ -1,5 +0,0 @@
-kind: FEATURES
-body: 'migrate: Add support for Provider-defined Function documentation'
-time: 2024-01-22T16:00:50.279982-05:00
-custom:
-  Issue: "328"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 10d3b30d..6fe845f6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,14 @@
+## 0.18.0 (January 24, 2024)
+
+FEATURES:
+
+* generate: Add support for Provider-defined Function documentation ([#328](https://github.com/hashicorp/terraform-plugin-docs/issues/328))
+* migrate: Add support for Provider-defined Function documentation ([#328](https://github.com/hashicorp/terraform-plugin-docs/issues/328))
+
+ENHANCEMENTS:
+
+* validate: Add `functions` to list of allowed template and rendered website subdirectories ([#328](https://github.com/hashicorp/terraform-plugin-docs/issues/328))
+
 ## 0.17.0 (January 17, 2024)
 
 BREAKING CHANGES: