diff --git a/README.md b/README.md
index ef0b099..7c61ae8 100644
--- a/README.md
+++ b/README.md
@@ -546,6 +546,7 @@ A list of **Free** and **Open Source Software** ***(FOSS)*** for **Android** –
### • System
+* [**Dark theme**](https://github.com/phstudio2/Darktheme) **[[F-Droid](https://f-droid.org/packages/com.phstudio.darktheme/)]**
* [**Privacy Friendly Net Monitor**](https://github.com/SecUSo/privacy-friendly-netmonitor) **[[F-Droid](https://f-droid.org/app/org.secuso.privacyfriendlynetmonitor)]**
* [**Shelter**](https://cgit.typeblog.net/Shelter) **[[F-Droid](https://f-droid.org/app/net.typeblog.shelter)]**
* [**Insular**](https://gitlab.com/secure-system/Insular) **[[F-Droid](https://f-droid.org/app/com.oasisfeng.island.fdroid)]**