Extend CFP deadline for jDD

README.md

@@ -53,7 +53,7 @@ Missing a conference, seeing an issue, or something needs an update? Send a pull
 | [JavaCro'26](https://2026.javacro.hr/eng/) | Rovinj, Croatia | no | 11-14 October 2026 | [Link](https://sessionize.com/javacro26) (Closes 31 May 2026) 🟢 |
 | [dev2next](https://www.dev2next.com/) | Lone Tree, CO, USA | no | 12-15 October 2026 | [Link](https://www.dev2next.com/cfp) (Closed 24 April 2026) |
 | [BaselOne](https://baselone.org/) | Basel, Switzerland | no | 14-15 October 2026 | [Link](https://sessionize.com/baselone-2026/) (Closed 30 April 2026) |
-| [jDD](https://jdd.org.pl/) | Krakow, Poland | no | 20-21 October 2026 | [Link](https://jdd.org.pl/cfp-2026/) (Closes 31 May 2026) 🟢 |
+| [jDD](https://jdd.org.pl/) | Krakow, Poland | no | 20-21 October 2026 | [Link](https://jdd.org.pl/cfp-2026/) (Closes 21 June 2026) 🟢 |
 | [J On The Beach](https://www.jonthebeach.com/) | Torremolinos, Spain | yes | 29-30 October 2026 | [Link](https://confeti.app/) (Closed 31 March 2026) |
 | [W-JAX](https://jax.de/muenchen/) | Munich, Germany | yes | 2-6 November 2026 | [Link](https://callforpapers.sandsmedia.com/) (Closes 11 May 2026) |
 | [Devoxx Morocco](https://devoxx.ma/) | Casablanca, Morocco | no | 4-5 November 2026 | [Link](https://dvma26.cfp.dev/) (Closes 5 July 2026) 🟢 |