diff --git a/apps/texrecon/texrecon.cpp b/apps/texrecon/texrecon.cpp
index 42568302..5b132cf5 100644
--- a/apps/texrecon/texrecon.cpp
+++ b/apps/texrecon/texrecon.cpp
@@ -10,7 +10,7 @@
 #include <iostream>
 #include <fstream>
 #include <vector>
-#include <tbb/task_scheduler_init.h>
+#include <oneapi/tbb/info.h>
 #include <omp.h>
 
 #include <util/timer.h>
@@ -60,10 +60,12 @@ int main(int argc, char **argv) {
     }
 
     // Set the number of threads to use.
-    tbb::task_scheduler_init schedule(conf.num_threads > 0 ? conf.num_threads : tbb::task_scheduler_init::automatic);
-    if (conf.num_threads > 0) {
+    if (num_threads > 0) {
         omp_set_dynamic(0);
         omp_set_num_threads(conf.num_threads);
+    } else {
+        omp_set_dynamic(1);
+        omp_set_num_threads(oneapi::tbb::info::default_concurrency());
     }
 
     std::cout << "Load and prepare mesh: " << std::endl;
diff --git a/elibs/CMakeLists.txt b/elibs/CMakeLists.txt
index 4c17eb8d..0e4c833e 100644
--- a/elibs/CMakeLists.txt
+++ b/elibs/CMakeLists.txt
@@ -1,7 +1,7 @@
 externalproject_add(ext_mapmap
     PREFIX          ext_mapmap
     GIT_REPOSITORY  https://github.com/dthuerck/mapmap_cpu.git
-    GIT_TAG         55d14fd
+    GIT_TAG         fa526e0
     UPDATE_COMMAND  ""
     SOURCE_DIR      ${CMAKE_SOURCE_DIR}/elibs/mapmap
     CONFIGURE_COMMAND ""
diff --git a/elibs/tbb/FindTBB.cmake b/elibs/tbb/FindTBB.cmake
index a1131aad..cc72075a 100644
--- a/elibs/tbb/FindTBB.cmake
+++ b/elibs/tbb/FindTBB.cmake
@@ -184,7 +184,7 @@ if(NOT TBB_FOUND)
   ##################################
 
   if(TBB_INCLUDE_DIRS)
-    file(READ "${TBB_INCLUDE_DIRS}/tbb/tbb_stddef.h" _tbb_version_file)
+    file(READ "${TBB_INCLUDE_DIRS}/tbb/version.h" _tbb_version_file)
     string(REGEX REPLACE ".*#define TBB_VERSION_MAJOR ([0-9]+).*" "\\1"
         TBB_VERSION_MAJOR "${_tbb_version_file}")
     string(REGEX REPLACE ".*#define TBB_VERSION_MINOR ([0-9]+).*" "\\1"