diff --git a/common/changes/@typespec/bundler/upgrade-node18_2023-10-26-17-40.json b/common/changes/@typespec/bundler/upgrade-node18_2023-10-26-17-40.json
new file mode 100644
index 0000000000..4c296ac43f
--- /dev/null
+++ b/common/changes/@typespec/bundler/upgrade-node18_2023-10-26-17-40.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@typespec/bundler",
+      "comment": "**BREAKING CHANGE** Minimum node version increased to 18",
+      "type": "none"
+    }
+  ],
+  "packageName": "@typespec/bundler"
+}
\ No newline at end of file
diff --git a/common/changes/@typespec/compiler/upgrade-node18_2023-10-26-17-40.json b/common/changes/@typespec/compiler/upgrade-node18_2023-10-26-17-40.json
new file mode 100644
index 0000000000..e18049645c
--- /dev/null
+++ b/common/changes/@typespec/compiler/upgrade-node18_2023-10-26-17-40.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@typespec/compiler",
+      "comment": "**BREAKING CHANGE** Minimum node version increased to 18",
+      "type": "none"
+    }
+  ],
+  "packageName": "@typespec/compiler"
+}
\ No newline at end of file
diff --git a/common/changes/@typespec/http/upgrade-node18_2023-10-26-17-40.json b/common/changes/@typespec/http/upgrade-node18_2023-10-26-17-40.json
new file mode 100644
index 0000000000..46dcc83c7c
--- /dev/null
+++ b/common/changes/@typespec/http/upgrade-node18_2023-10-26-17-40.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@typespec/http",
+      "comment": "**BREAKING CHANGE** Minimum node version increased to 18",
+      "type": "none"
+    }
+  ],
+  "packageName": "@typespec/http"
+}
\ No newline at end of file
diff --git a/common/changes/@typespec/internal-build-utils/upgrade-node18_2023-10-26-17-40.json b/common/changes/@typespec/internal-build-utils/upgrade-node18_2023-10-26-17-40.json
new file mode 100644
index 0000000000..ca02bbb4c0
--- /dev/null
+++ b/common/changes/@typespec/internal-build-utils/upgrade-node18_2023-10-26-17-40.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@typespec/internal-build-utils",
+      "comment": "**BREAKING CHANGE** Minimum node version increased to 18",
+      "type": "none"
+    }
+  ],
+  "packageName": "@typespec/internal-build-utils"
+}
\ No newline at end of file
diff --git a/common/changes/@typespec/json-schema/upgrade-node18_2023-10-26-17-40.json b/common/changes/@typespec/json-schema/upgrade-node18_2023-10-26-17-40.json
new file mode 100644
index 0000000000..7278dff568
--- /dev/null
+++ b/common/changes/@typespec/json-schema/upgrade-node18_2023-10-26-17-40.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@typespec/json-schema",
+      "comment": "**BREAKING CHANGE** Minimum node version increased to 18",
+      "type": "none"
+    }
+  ],
+  "packageName": "@typespec/json-schema"
+}
\ No newline at end of file
diff --git a/common/changes/@typespec/migrate/upgrade-node18_2023-10-26-17-40.json b/common/changes/@typespec/migrate/upgrade-node18_2023-10-26-17-40.json
new file mode 100644
index 0000000000..cb2ead7a10
--- /dev/null
+++ b/common/changes/@typespec/migrate/upgrade-node18_2023-10-26-17-40.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@typespec/migrate",
+      "comment": "**BREAKING CHANGE** Minimum node version increased to 18",
+      "type": "none"
+    }
+  ],
+  "packageName": "@typespec/migrate"
+}
\ No newline at end of file
diff --git a/common/changes/@typespec/openapi/upgrade-node18_2023-10-26-17-40.json b/common/changes/@typespec/openapi/upgrade-node18_2023-10-26-17-40.json
new file mode 100644
index 0000000000..12279d1dcb
--- /dev/null
+++ b/common/changes/@typespec/openapi/upgrade-node18_2023-10-26-17-40.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@typespec/openapi",
+      "comment": "**BREAKING CHANGE** Minimum node version increased to 18",
+      "type": "none"
+    }
+  ],
+  "packageName": "@typespec/openapi"
+}
\ No newline at end of file
diff --git a/common/changes/@typespec/openapi3/upgrade-node18_2023-10-26-17-40.json b/common/changes/@typespec/openapi3/upgrade-node18_2023-10-26-17-40.json
new file mode 100644
index 0000000000..21d4d13d5b
--- /dev/null
+++ b/common/changes/@typespec/openapi3/upgrade-node18_2023-10-26-17-40.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@typespec/openapi3",
+      "comment": "**BREAKING CHANGE** Minimum node version increased to 18",
+      "type": "none"
+    }
+  ],
+  "packageName": "@typespec/openapi3"
+}
\ No newline at end of file
diff --git a/common/changes/@typespec/playground/upgrade-node18_2023-10-26-17-40.json b/common/changes/@typespec/playground/upgrade-node18_2023-10-26-17-40.json
new file mode 100644
index 0000000000..14a18083a2
--- /dev/null
+++ b/common/changes/@typespec/playground/upgrade-node18_2023-10-26-17-40.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@typespec/playground",
+      "comment": "**BREAKING CHANGE** Minimum node version increased to 18",
+      "type": "none"
+    }
+  ],
+  "packageName": "@typespec/playground"
+}
\ No newline at end of file
diff --git a/common/changes/@typespec/rest/upgrade-node18_2023-10-26-17-40.json b/common/changes/@typespec/rest/upgrade-node18_2023-10-26-17-40.json
new file mode 100644
index 0000000000..4c7194483f
--- /dev/null
+++ b/common/changes/@typespec/rest/upgrade-node18_2023-10-26-17-40.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@typespec/rest",
+      "comment": "**BREAKING CHANGE** Minimum node version increased to 18",
+      "type": "none"
+    }
+  ],
+  "packageName": "@typespec/rest"
+}
\ No newline at end of file
diff --git a/common/changes/@typespec/versioning/upgrade-node18_2023-10-26-17-40.json b/common/changes/@typespec/versioning/upgrade-node18_2023-10-26-17-40.json
new file mode 100644
index 0000000000..846d96601e
--- /dev/null
+++ b/common/changes/@typespec/versioning/upgrade-node18_2023-10-26-17-40.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@typespec/versioning",
+      "comment": "**BREAKING CHANGE** Minimum node version increased to 18",
+      "type": "none"
+    }
+  ],
+  "packageName": "@typespec/versioning"
+}
\ No newline at end of file
diff --git a/common/changes/tmlanguage-generator/upgrade-node18_2023-10-26-17-40.json b/common/changes/tmlanguage-generator/upgrade-node18_2023-10-26-17-40.json
new file mode 100644
index 0000000000..c875acc097
--- /dev/null
+++ b/common/changes/tmlanguage-generator/upgrade-node18_2023-10-26-17-40.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "tmlanguage-generator",
+      "comment": "**BREAKING CHANGE** Minimum node version increased to 18",
+      "type": "minor"
+    }
+  ],
+  "packageName": "tmlanguage-generator"
+}
\ No newline at end of file
diff --git a/common/changes/typespec-vs/upgrade-node18_2023-10-26-17-40.json b/common/changes/typespec-vs/upgrade-node18_2023-10-26-17-40.json
new file mode 100644
index 0000000000..01b34bc95f
--- /dev/null
+++ b/common/changes/typespec-vs/upgrade-node18_2023-10-26-17-40.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "typespec-vs",
+      "comment": "**BREAKING CHANGE** Minimum node version increased to 18",
+      "type": "none"
+    }
+  ],
+  "packageName": "typespec-vs"
+}
\ No newline at end of file