diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5d96f5b2396b3777e7b082896f1607b1edb4e2be..724c75662571cdba7e125bef0cfe5039384b621a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,7 +17,7 @@ if(STANDALONE AND NOT DEFINED CMAKE_TOOLCHAIN_FILE AND DEFINED ENV{CMAKE_TOOLCHA
   set(CMAKE_TOOLCHAIN_FILE $ENV{CMAKE_TOOLCHAIN_FILE})
 endif()
 
-project(Allen VERSION 6.10
+project(Allen VERSION 6.11
         LANGUAGES C CXX)
 
 # ---------------
diff --git a/ReleaseNotes/v6r11.md b/ReleaseNotes/v6r11.md
new file mode 100644
index 0000000000000000000000000000000000000000..1a45a338cdca2c7e2c2acc641277fb8484c492a3
--- /dev/null
+++ b/ReleaseNotes/v6r11.md
@@ -0,0 +1,41 @@
+2025-09-03 Allen v6r11
+===
+
+This version uses
+Rec [v38r11](../../../../Rec/-/tags/v38r11),
+Lbcom [v37r11](../../../../Lbcom/-/tags/v37r11),
+LHCb [v57r11](../../../../LHCb/-/tags/v57r11),
+Detector [v3r3p3](../../../../Detector/-/tags/v3r3p3),
+Gaudi [v40r0](../../../../Gaudi/-/tags/v40r0) and
+LCG [106c](http://lcginfo.cern.ch/release/106c/) with ROOT 6.32.10.
+
+This version is released on the `2025-patches` branch.
+Built relative to Allen [v6r10](/../../tags/v6r10), with the following changes:
+
+### New features ~"new feature"
+
+
+
+### Fixes ~"bug fix" ~workaround
+
+- Fix of the crashing tupling for HLT1 SMOG2 KsToPiPi, !2103 (@samarian) [#596]
+
+
+### Enhancements ~enhancement
+
+
+
+### Code cleanups and changes to tests ~modernisation ~cleanup ~testing
+
+
+
+### Documentation ~Documentation
+
+
+### Other
+
+- ~Luminosity | A lumi line without BGI, !2116 (@tmombach)
+- New sequence with default physics and unprescaled pi02gg line, !2128 (@tmombach)
+- Remove cpu throughput tests (2025-patches), !2126 (@ahennequ)
+- Make ci use cuda from cvmfs if no local install (2025-patches), !2123 (@ahennequ)
+- Remove pT thresholds in combiner for DiElectronSoft, !2121 (@tmombach)