diff --git a/backend/lib/CMakeLists.txt b/backend/lib/CMakeLists.txt
index 98539f7b..7a769508 100644
--- a/backend/lib/CMakeLists.txt
+++ b/backend/lib/CMakeLists.txt
@@ -122,8 +122,8 @@ if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/noson/CMakeLists.txt)
 else()
     if(NOT LIBNOSON_GIT_MASTER)
         download_project(PROJ noson
-          URL "${CMAKE_CURRENT_SOURCE_DIR}/noson-2.12.8.tar.gz"
-          URL_HASH MD5=d1510034177f8f3e0f3359eae2ab819d
+          URL "${CMAKE_CURRENT_SOURCE_DIR}/noson-2.12.9.tar.gz"
+          URL_HASH MD5=dbdcc48e1ce8c4a9e4f58c504d141506
           PREFIX ${CMAKE_CURRENT_BINARY_DIR}
           UPDATE_DISCONNECTED ON)
     else()
diff --git a/backend/lib/noson b/backend/lib/noson
index a93780c2..741183cd 160000
--- a/backend/lib/noson
+++ b/backend/lib/noson
@@ -1 +1 @@
-Subproject commit a93780c2ccc4001181d5c70876378b9e38fe6892
+Subproject commit 741183cdfca25645cf080b1169ca850e672477ef
diff --git a/backend/lib/noson-2.12.8.tar.gz b/backend/lib/noson-2.12.8.tar.gz
deleted file mode 100644
index acf12eb0..00000000
Binary files a/backend/lib/noson-2.12.8.tar.gz and /dev/null differ
diff --git a/backend/lib/noson-2.12.9.tar.gz b/backend/lib/noson-2.12.9.tar.gz
new file mode 100644
index 00000000..a4a034a4
Binary files /dev/null and b/backend/lib/noson-2.12.9.tar.gz differ