diff --git a/docs/tutorial/index.md b/docs/tutorial/index.md
index f1a4037637..515566d2c9 100644
--- a/docs/tutorial/index.md
+++ b/docs/tutorial/index.md
@@ -102,7 +102,7 @@ Registration for online tutorial on Mon 4 Dec 2023 is **closed** *(since Sun 3 D
 
 Dedicated channel in EESSI Slack: [`#cvmfs-best-practices-hpc`](https://eessi-hpc.slack.com/archives/C068DV7GY3V)
 
-[Click here to join the EESSI Slack](https://join.slack.com/t/eessi-hpc/shared_invite/zt-1wqy0t8g6-PZJTg3Hjjm5Fm3XEOkzECg)
+[Click here to join the EESSI Slack]({{ config.extra.slack_invite_url }})
 
 ## MultiXscale
 
diff --git a/mkdocs.yml b/mkdocs.yml
index 4adffb3bfb..9c64a1348b 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -178,7 +178,7 @@ extra:
       link: https://twitter.com/eessi_hpc
   # this gets auto-updated via update_generated_time.sh script run in update_available_software.yml action
   generated_time: "Fri, 12 Dec 2025 at 12:57:45 UTC"
-  slack_invite_url: "https://join.slack.com/t/eessi-hpc/shared_invite/zt-1wqy0t8g6-PZJTg3Hjjm5Fm3XEOkzECg"
+  slack_invite_url: "https://join.slack.com/t/eessi-hpc/shared_invite/zt-2wg10p26d-m_CnRB89xQq3zk9qxf1k3g"
 extra_javascript:
   # mermaid diagram
   - https://cdn.jsdelivr.net/npm/mermaid@10/dist/mermaid.esm.min.mjs