diff --git a/external/ipc/CMakeLists.txt b/external/ipc/CMakeLists.txt
index e25b3fc13837ffd5b8f075fda9a314e2448bdf36..00855161e956b2472cf8818ba2f5c05ade27086e 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         "5e01c9818b0b8d9268fb118eaae8d920544e2bab"
+                           GIT_TAG         "406773b9f882d5e7d6fe226b5aab7ed435d51fb4"
                            GIT_STASH       TRUE
                            SOURCE_DIR      ${CMAKE_CURRENT_SOURCE_DIR}/ipc
                            TEST_FILE       CMakeLists.txt