diff --git a/.changeset/all-humans-wash.md b/.changeset/all-humans-wash.md
deleted file mode 100644
index 20f5d6e2..00000000
--- a/.changeset/all-humans-wash.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-'simple-git': patch
----
-
-Add trailing callback support to git.firstCommit
diff --git a/.changeset/famous-wombats-develop.md b/.changeset/famous-wombats-develop.md
deleted file mode 100644
index 5f62eea2..00000000
--- a/.changeset/famous-wombats-develop.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-'simple-git': patch
----
-
-chore(deps): bump @babel/traverse from 7.9.5 to 7.23.2
diff --git a/.changeset/hip-files-warn.md b/.changeset/hip-files-warn.md
deleted file mode 100644
index 99219b74..00000000
--- a/.changeset/hip-files-warn.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-'simple-git': patch
----
-
-chore(deps): bump axios from 1.1.3 to 1.6.1
diff --git a/.changeset/nervous-humans-wash.md b/.changeset/nervous-humans-wash.md
deleted file mode 100644
index d92335eb..00000000
--- a/.changeset/nervous-humans-wash.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-'simple-git': minor
----
-
-Add firstCommit utility interface
diff --git a/packages/test-utils/package.json b/packages/test-utils/package.json
index 34f3ab0e..3ada50f1 100644
--- a/packages/test-utils/package.json
+++ b/packages/test-utils/package.json
@@ -3,6 +3,6 @@
   "version": "4.0.0",
   "private": true,
   "peerDependencies": {
-    "simple-git": "^3.20.0"
+    "simple-git": "^3.21.0"
   }
 }
diff --git a/simple-git/CHANGELOG.md b/simple-git/CHANGELOG.md
index 5d0629dd..0c6a5892 100644
--- a/simple-git/CHANGELOG.md
+++ b/simple-git/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Change History & Release Notes
 
+## 3.21.0
+
+### Minor Changes
+
+-  709d80e: Add firstCommit utility interface
+
+### Patch Changes
+
+-  b4ab430: Add trailing callback support to git.firstCommit
+-  d3f9320: chore(deps): bump @babel/traverse from 7.9.5 to 7.23.2
+-  b76857f: chore(deps): bump axios from 1.1.3 to 1.6.1
+
 ## 3.20.0
 
 ### Minor Changes
diff --git a/simple-git/package.json b/simple-git/package.json
index 2be2416a..f44591e2 100644
--- a/simple-git/package.json
+++ b/simple-git/package.json
@@ -1,7 +1,7 @@
 {
   "name": "simple-git",
   "description": "Simple GIT interface for node.js",
-  "version": "3.20.0",
+  "version": "3.21.0",
   "author": "Steve King <steve@mydev.co>",
   "contributors": [
     {