diff --git a/package.json b/package.json
index 386ef20..93bca77 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "@systemd/root",
   "version": "1.0.0",
   "engines": {
-    "node": "20.x",
+    "node": "20.13.1",
     "yarn": "4.2.2"
   },
   "type": "module",
diff --git a/packages/conf/package.json b/packages/conf/package.json
index 53c0e38..1e3adf9 100644
--- a/packages/conf/package.json
+++ b/packages/conf/package.json
@@ -2,7 +2,7 @@
   "name": "@systemd-js/conf",
   "version": "0.1.3",
   "engines": {
-    "node": "20.x",
+    "node": "20.13.1",
     "yarn": "4.2.2"
   },
   "repository": {
diff --git a/packages/ctl/package.json b/packages/ctl/package.json
index 150dc0e..b0484ba 100644
--- a/packages/ctl/package.json
+++ b/packages/ctl/package.json
@@ -2,7 +2,7 @@
   "name": "@systemd-js/ctl",
   "version": "0.1.2",
   "engines": {
-    "node": "20.x",
+    "node": "20.13.1",
     "yarn": "4.x"
   },
   "repository": {