diff --git a/external/ipc/CMakeLists.txt b/external/ipc/CMakeLists.txt
index cb1c315bb3665a802ebc6035757b64aa63dffa29..285e98fe66f0fe7fcfaba5844e1195beff82cddd 100644
--- a/external/ipc/CMakeLists.txt
+++ b/external/ipc/CMakeLists.txt
@@ -5,7 +5,7 @@
 
 download_project_if_needed(PROJECT         fles_ipc
                            GIT_REPOSITORY  "https://github.com/cbm-fles/flesnet"
-                           GIT_TAG         "f3053e064df61f434a4af4b353178f881dd8a5d0"
+                           GIT_TAG         "6241e3bb4b3568dbbcf9c1b6991ddfd08d4988bd"
                            GIT_STASH       TRUE
                            SOURCE_DIR      ${CMAKE_CURRENT_SOURCE_DIR}/ipc
                            PATCH_COMMAND   "patch -p1 < ${CMAKE_CURRENT_SOURCE_DIR}/TimesliceMultiSubscriber_init.patch"