diff --git a/packages/core/RELEASES.md b/packages/core/RELEASES.md
new file mode 100644
index 00000000..d01bdb5b
--- /dev/null
+++ b/packages/core/RELEASES.md
@@ -0,0 +1,5 @@
+# @actions/core Releases
+
+### 1.0.0
+
+- Initial release
\ No newline at end of file
diff --git a/packages/exec/RELEASES.md b/packages/exec/RELEASES.md
new file mode 100644
index 00000000..27d8d781
--- /dev/null
+++ b/packages/exec/RELEASES.md
@@ -0,0 +1,5 @@
+# @actions/exec Releases
+
+### 1.0.0
+
+- Initial release
\ No newline at end of file
diff --git a/packages/github/RELEASES.md b/packages/github/RELEASES.md
new file mode 100644
index 00000000..c3e751b7
--- /dev/null
+++ b/packages/github/RELEASES.md
@@ -0,0 +1,5 @@
+# @actions/github Releases
+
+### 1.0.0
+
+- Initial release
\ No newline at end of file
diff --git a/packages/io/RELEASES.md b/packages/io/RELEASES.md
new file mode 100644
index 00000000..402b7c16
--- /dev/null
+++ b/packages/io/RELEASES.md
@@ -0,0 +1,5 @@
+# @actions/io Releases
+
+### 1.0.0
+
+- Initial release
\ No newline at end of file
diff --git a/packages/tool-cache/RELEASES.md b/packages/tool-cache/RELEASES.md
new file mode 100644
index 00000000..627fdd52
--- /dev/null
+++ b/packages/tool-cache/RELEASES.md
@@ -0,0 +1,10 @@
+# @actions/tool-cache Releases
+
+### 1.1.0
+
+- [Add zip and unzip for macOS](https://github.com/actions/toolkit/pull/49)
+- [Support custom flags for `extractTar`](https://github.com/actions/toolkit/pull/48)
+
+### 1.0.0
+
+- Initial release
\ No newline at end of file
diff --git a/packages/tool-cache/package-lock.json b/packages/tool-cache/package-lock.json
index 419d4419..9b7e0ed1 100644
--- a/packages/tool-cache/package-lock.json
+++ b/packages/tool-cache/package-lock.json
@@ -1,6 +1,6 @@
 {
 	"name": "@actions/tool-cache",
-	"version": "1.0.0",
+	"version": "1.1.0",
 	"lockfileVersion": 1,
 	"requires": true,
 	"dependencies": {
diff --git a/packages/tool-cache/package.json b/packages/tool-cache/package.json
index 51783594..192ecb9f 100644
--- a/packages/tool-cache/package.json
+++ b/packages/tool-cache/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@actions/tool-cache",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "description": "Actions tool-cache lib",
   "keywords": [
     "exec",