diff --git a/README.md b/README.md
index dc2e00c0..5a1063f6 100644
--- a/README.md
+++ b/README.md
@@ -237,7 +237,13 @@ Parts of PGPainless development ([project page](https://nlnet.nl/project/PGPainl
 NGI Assure is made possible with financial support from the [European Commission](https://ec.europa.eu/)'s [Next Generation Internet](https://ngi.eu/) programme, under the aegis of [DG Communications Networks, Content and Technology](https://ec.europa.eu/info/departments/communications-networks-content-and-technology_en).
 [![NGI Assure Logo](https://blog.jabberhead.tk/wp-content/uploads/2022/05/NGIAssure_tag.svg)](https://nlnet.nl/assure/)
 
-Big thank you also to those who decided to support the work by donating!  
+Support for [RFC9580](https://www.rfc-editor.org/rfc/rfc9580.html) ("OpenPGP v6") [was developed](https://warmwasserwerfer.de/2025/08/28/towards-openpgp-v6-in-pgpainless/) with funding from the [SovereignTechAgency](https://www.sovereign.tech/) through their
+[SovereignTechFund](https://www.sovereign.tech/programs/fund) program. 
+[![SovereignTechFund Logo](https://www.sovereign.tech/programs/fund)](https://warmwasserwerfer.de/wp-content/uploads/2025/08/ST-Fund-Logo-Default-Black-CMYK-2048x652.png)
+
+In 2025, PGPainless was part of and received financial support from the [Github Secure Open Source Fund](https://github.blog/open-source/maintainers/securing-the-supply-chain-at-scale-starting-with-71-important-open-source-projects/) program.
+
+Big thank you also to those who decided to support the work through individual donations!  
 Notably @msfjarvis
 
 You make my day!