diff --git a/package-lock.json b/package-lock.json
index acef12892..dbfd1d4da 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,7 @@
         "aws-sdk": "^2.1115.0",
         "basic-auth": "^2.0.1",
         "body-parser": "^1.20.0",
-        "cloudron-manifestformat": "^5.18.0",
+        "cloudron-manifestformat": "^5.19.0",
         "connect": "^3.7.0",
         "connect-lastmile": "^2.1.1",
         "connect-timeout": "^1.9.0",
@@ -1449,9 +1449,9 @@
       }
     },
     "node_modules/cloudron-manifestformat": {
-      "version": "5.18.0",
-      "resolved": "https://registry.npmjs.org/cloudron-manifestformat/-/cloudron-manifestformat-5.18.0.tgz",
-      "integrity": "sha512-unyKazF7x0fJNZj00hxhSESKEerb5VAfperJZ61BG0p6JyFj2ztXprrc8g1KkVLOsyyt7qH3prxOhv/qUsOwDQ==",
+      "version": "5.19.0",
+      "resolved": "https://registry.npmjs.org/cloudron-manifestformat/-/cloudron-manifestformat-5.19.0.tgz",
+      "integrity": "sha512-y2emFvxOzbOrUNxF2tUvCezh+VLCoFXN7Lcjww1zcoaA/ZAl091gcqP59Iyu8xzePC8J+MXA2nvZmePC+uG6eQ==",
       "dependencies": {
         "cron": "^1.8.2",
         "java-packagename-regex": "^1.0.0",
@@ -9341,9 +9341,9 @@
       }
     },
     "cloudron-manifestformat": {
-      "version": "5.18.0",
-      "resolved": "https://registry.npmjs.org/cloudron-manifestformat/-/cloudron-manifestformat-5.18.0.tgz",
-      "integrity": "sha512-unyKazF7x0fJNZj00hxhSESKEerb5VAfperJZ61BG0p6JyFj2ztXprrc8g1KkVLOsyyt7qH3prxOhv/qUsOwDQ==",
+      "version": "5.19.0",
+      "resolved": "https://registry.npmjs.org/cloudron-manifestformat/-/cloudron-manifestformat-5.19.0.tgz",
+      "integrity": "sha512-y2emFvxOzbOrUNxF2tUvCezh+VLCoFXN7Lcjww1zcoaA/ZAl091gcqP59Iyu8xzePC8J+MXA2nvZmePC+uG6eQ==",
       "requires": {
         "cron": "^1.8.2",
         "java-packagename-regex": "^1.0.0",
diff --git a/package.json b/package.json
index 7b721757a..e17afed0a 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "aws-sdk": "^2.1115.0",
     "basic-auth": "^2.0.1",
     "body-parser": "^1.20.0",
-    "cloudron-manifestformat": "^5.18.0",
+    "cloudron-manifestformat": "^5.19.0",
     "connect": "^3.7.0",
     "connect-lastmile": "^2.1.1",
     "connect-timeout": "^1.9.0",
diff --git a/src/docker.js b/src/docker.js
index 1692cd915..ea8d2cfea 100644
--- a/src/docker.js
+++ b/src/docker.js
@@ -315,6 +315,13 @@ async function createSubcontainer(app, name, cmd, options) {
     const mounts = await getMounts(app);
 
     const addonEnv = await services.getEnvironment(app);
+    const runtimeVolumes = {
+        '/tmp': {},
+        '/run': {}
+    };
+    if (app.manifest.runtimeDirs) {
+        app.manifest.runtimeDirs.forEach(dir => runtimeVolumes[dir] = {});
+    }
 
     let containerOptions = {
         name: name, // for referencing containers
@@ -323,10 +330,7 @@ async function createSubcontainer(app, name, cmd, options) {
         Cmd: (isAppContainer && app.debugMode && app.debugMode.cmd) ? app.debugMode.cmd : cmd,
         Env: stdEnv.concat(addonEnv).concat(portEnv).concat(appEnv).concat(secondaryDomainsEnv),
         ExposedPorts: isAppContainer ? exposedPorts : { },
-        Volumes: { // see also ReadonlyRootfs
-            '/tmp': {},
-            '/run': {}
-        },
+        Volumes: runtimeVolumes,
         Labels: {
             'fqdn': app.fqdn,
             'appId': app.id,