diff --git a/ReleaseNotes.md b/ReleaseNotes.md
index 1de60497be1ce51257bc6bf9d988618d0356479d..4cd206fcfbf7d9748495cb03c3148c5805084e2f 100644
--- a/ReleaseNotes.md
+++ b/ReleaseNotes.md
@@ -1,3 +1,9 @@
+# v3.1-12
+
+### Features
+
+- Upgraded EOS to 4.8.30-1
+
 # v3.1-11
 
 ### Features
diff --git a/cta.spec.in b/cta.spec.in
index 527c1d87d923b51e2821a992830cfb03d6da748d..615d268f4f9c1465a00944a4263cd602523213b9 100644
--- a/cta.spec.in
+++ b/cta.spec.in
@@ -491,6 +491,8 @@ Currently contains a helper for the client-ar script, which should be installed
 %attr(0755,root,root) /usr/bin/cta-client-ar-abortPrepare
 
 %changelog
+* Fri Dec 04 2020 julien.leduc (at) cern.ch - 3.1-12
+- Upgraded EOS to 4.8.30-1
 * Wed Dec 02 2020 julien.leduc (at) cern.ch - 3.1-11
 - cta/CTA#932 Add environment file for cta-frontend service: frontend configured to use 10 XRootD polling threads by default
 - cta/CTA#292 Allow non interactive usages of cta-admin with sss authentication