diff --git a/src/install/index.ts b/src/install/index.ts
index c9d2f12..52fad85 100644
--- a/src/install/index.ts
+++ b/src/install/index.ts
@@ -10,8 +10,6 @@ import * as os from "os";
 import { logger } from "../log";
 import { requireNpmV7 } from "../npm";
 
-// TODO: remove nodecg-io directory if initial installation was aborted?
-
 export const installModule: CommandModule<unknown, { concurrency: number }> = {
     command: "install",
     describe: "installs nodecg-io to your local nodecg installation",
diff --git a/src/install/production.ts b/src/install/production.ts
index ccdb11b..f1c7b04 100644
--- a/src/install/production.ts
+++ b/src/install/production.ts
@@ -7,6 +7,7 @@ import {
     buildNpmPackagePath,
     downloadNpmPackage,
     createNpmSymlinks,
+    getSubPackages,
 } from "../npm";
 import { directoryExists, ensureDirectory } from "../fsUtils";
 import { logger } from "../log";
@@ -53,14 +54,25 @@ export function diffPackages(
     requested: NpmPackage[],
     current: NpmPackage[],
 ): { pkgInstall: NpmPackage[]; pkgRemove: NpmPackage[] } {
+    // currently installed but not requested exactly anymore
+    const pkgRemove = current.filter((a) => !requested.find((b) => isPackageEquals(a, b)));
+
+    // requested and not already exactly installed (e.g. version change)
+    const pkgInstall = requested.filter((a) => !current.find((b) => isPackageEquals(a, b)));
+
+    // Gets sub-packages of packages in pkgInstall that might not be in there.
+    // E.g. core got upgraded => nodecg-io-core will be removed and reinstalled
+    // nodecg-io-dashboard will also be removed because it is in nodecg-io-core and
+    // contained in the directory of the core package. This ensures that the dashboard will
+    // also be reinstalled, even though it got no upgrade.
+    const installAdditional = pkgInstall.map((pkg) => getSubPackages(requested, pkg)).flat();
+
     return {
-        pkgInstall: requested.filter((a) => !current.find((b) => isPackageEquals(a, b))), // requested and not already exactly installed (e.g. version change)
-        pkgRemove: current.filter((a) => !requested.find((b) => isPackageEquals(a, b))), // currently installed but not requested exactly anymore
+        pkgRemove,
+        pkgInstall: [...new Set(pkgInstall.concat(installAdditional))],
     };
 }
 
-// TODO: handle when e.g. core upgrades and removes nodecg-io-core directory. Need to re-download dashboard because it got deleted (or don't delete it).
-
 /**
  * Removes a list of packages from a production nodecg-io install.
  * @param pkgs the packages that should be removed
diff --git a/src/install/prompt.ts b/src/install/prompt.ts
index 04c1468..0c1d563 100644
--- a/src/install/prompt.ts
+++ b/src/install/prompt.ts
@@ -151,7 +151,7 @@ function getPackagePath(pkgName: string) {
 async function getPackageVersion(pkgName: string, minorVersion: string) {
     const version = await getHighestPatchVersion(pkgName, minorVersion);
     // if patch part could be found out we will use .0 as it should always exist if the minor version also does.
-    return version ?? `${version}.0`;
+    return version ?? `${minorVersion}.0`;
 }
 
 function getPackageSymlinks(pkgName: string) {
diff --git a/src/npm.ts b/src/npm.ts
index ee6ce96..c24a847 100644
--- a/src/npm.ts
+++ b/src/npm.ts
@@ -191,6 +191,16 @@ export async function removeNpmPackage(pkg: NpmPackage, nodecgIODir: string): Pr
     await removeDirectory(buildNpmPackagePath(pkg, nodecgIODir));
 }
 
+/**
+ * Returns you all packages that are in a sub-path of rootPkg.
+ * This is helpful if you have reinstalled rootPkg and now also need to reinstall all packages
+ * that were in the directory of rootPkg because they also got removed in {@link removeNpmPackage}.
+ * @returns the packages that are contained in rootPkg
+ */
+export function getSubPackages(allPackages: NpmPackage[], rootPkg: NpmPackage): NpmPackage[] {
+    return allPackages.filter((pkg) => pkg !== rootPkg && pkg.path.startsWith(rootPkg.path));
+}
+
 /**
  * Gets version of the installed npm by running "npm --version".
  * @returns the npm version or undefined if npm is not installed/not in $PATH.
diff --git a/test/install/production.ts b/test/install/production.ts
index 3429ef6..2b8bc31 100644
--- a/test/install/production.ts
+++ b/test/install/production.ts
@@ -1,6 +1,6 @@
 import { vol } from "memfs";
 import * as path from "path";
-import { corePkg, nodecgIODir, twitchChatPkg, validProdInstall } from "../testUtils";
+import { corePkg, dashboardPkg, nodecgIODir, twitchChatPkg, validProdInstall } from "../testUtils";
 import { diffPackages, installPackages, removePackages, validateInstall } from "../../src/install/production";
 import * as installation from "../../src/installation";
 import * as fsUtils from "../../src/fsUtils";
@@ -45,6 +45,13 @@ describe("diffPackages", () => {
         expect(pkgRemove).toStrictEqual([]);
         expect(pkgInstall).toStrictEqual([]);
     });
+
+    test("should install dashboard (sub pkg) if upgrading core", async () => {
+        // dashboard not modified, but should still be installed because it is in core and core gets upgraded
+        const { pkgInstall, pkgRemove } = diffPackages([corePkg2, dashboardPkg], [corePkg, dashboardPkg]);
+        expect(pkgRemove).toStrictEqual([corePkg]);
+        expect(pkgInstall).toStrictEqual([corePkg2, dashboardPkg]);
+    });
 });
 
 describe("removePackages", () => {
diff --git a/test/install/prompt.ts b/test/install/prompt.ts
index e7a3c70..e687557 100644
--- a/test/install/prompt.ts
+++ b/test/install/prompt.ts
@@ -25,7 +25,7 @@ describe("getCompatibleVersions", () => {
 });
 
 describe("buildPackageList", () => {
-    const ver = "0.1.0";
+    const ver = "0.1";
     const testSvcName = "testSvc";
     const testSvcPkgName = `nodecg-io-${testSvcName}`;
     const mock = jest.spyOn(npm, "getHighestPatchVersion").mockResolvedValue("0.1.1");
diff --git a/test/npm/pkgManagement.ts b/test/npm/pkgManagement.ts
index 794026a..0785eb8 100644
--- a/test/npm/pkgManagement.ts
+++ b/test/npm/pkgManagement.ts
@@ -1,6 +1,6 @@
 import { createFsFromVolume, vol } from "memfs";
-import { createNpmSymlinks, removeNpmPackage, runNpmInstall } from "../../src/npm";
-import { tempDir, corePkg, fsRoot } from "../testUtils";
+import { createNpmSymlinks, getSubPackages, removeNpmPackage, runNpmInstall } from "../../src/npm";
+import { tempDir, corePkg, fsRoot, twitchChatPkg, dashboardPkg } from "../testUtils";
 import * as fsUtils from "../../src/fsUtils";
 import * as path from "path";
 
@@ -45,3 +45,13 @@ describe("removeNpmPackage", () => {
         expect(spy).toHaveBeenCalled();
     });
 });
+
+describe("getSubPackages", () => {
+    test("should return empty list if no packages are inside the passed package", async () => {
+        expect(getSubPackages([corePkg, twitchChatPkg], corePkg)).toStrictEqual([]);
+    });
+
+    test("should return dashboard to be inside core", async () => {
+        expect(getSubPackages([corePkg, dashboardPkg], corePkg)).toStrictEqual([dashboardPkg]);
+    });
+});
diff --git a/test/testUtils.ts b/test/testUtils.ts
index f1587dd..007d712 100644
--- a/test/testUtils.ts
+++ b/test/testUtils.ts
@@ -1,5 +1,5 @@
 import * as temp from "temp";
-import { corePackage } from "../src/install/nodecgIOVersions";
+import { corePackage, dashboardPackage, dashboardPath } from "../src/install/nodecgIOVersions";
 import * as path from "path";
 import { DevelopmentInstallation, ProductionInstallation } from "../src/installation";
 
@@ -21,6 +21,11 @@ export const twitchChatPkg = {
     path: "nodecg-io-twitch-chat",
     version: "0.1.0",
 };
+export const dashboardPkg = {
+    name: dashboardPackage,
+    path: dashboardPath,
+    version: "0.1.0",
+};
 export const nodecgExampleConfig = {
     bundles: {
         paths: ["some-custom-bundle-dir"],