diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4fce04df..2093dfa7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -34,15 +34,11 @@ if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT OR (NOT IS_ABSOLUTE ${CMAKE_INSTA
 endif()
 message(STATUS "-------- INSTALL_PREFIX: ${CMAKE_INSTALL_PREFIX} --------")
 
-# Use git to detect app4triqs version and git hash
-execute_process(COMMAND bash "-c" "${TRIQS_GIT_EXECUTABLE} describe | sed \"s/-\\([0-9]*\\)-.*/.\\1/g\""
- WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
- OUTPUT_VARIABLE   APP4TRIQS_VERSION
- OUTPUT_STRIP_TRAILING_WHITESPACE
-)
-if(NOT APP4TRIQS_VERSION)
-  set(APP4TRIQS_VERSION 0.1)
-endif()
+# Define the app4triqs version numbers and get the git hash
+set(APP4TRIQS_VERSION_MAJOR 0)
+set(APP4TRIQS_VERSION_MINOR 1)
+set(APP4TRIQS_VERSION_PATCH 0)
+set(APP4TRIQS_VERSION ${APP4TRIQS_VERSION_MAJOR}.${APP4TRIQS_VERSION_MINOR}.${APP4TRIQS_VERSION_PATCH})
 triqs_get_git_hash_of_source_dir(APP4TRIQS_GIT_HASH)
 message(STATUS "app4triqs version : ${APP4TRIQS_VERSION}")
 message(STATUS "Git hash: ${APP4TRIQS_GIT_HASH}")
@@ -84,7 +80,7 @@ if(BUILD_DEBIAN_PACKAGE)
   SET(CPACK_PACKAGE_VERSION ${APP4TRIQS_VERSION})
   SET(CPACK_PACKAGE_CONTACT "https://github.com/TRIQS/app4triqs")
   EXECUTE_PROCESS(COMMAND dpkg --print-architecture OUTPUT_VARIABLE CMAKE_DEBIAN_PACKAGE_ARCHITECTURE OUTPUT_STRIP_TRAILING_WHITESPACE)
-  SET(CPACK_DEBIAN_PACKAGE_DEPENDS "triqs (>= 1.5)")
+  SET(CPACK_DEBIAN_PACKAGE_DEPENDS "triqs (>= 2.1)")
   SET(CPACK_DEBIAN_PACKAGE_SHLIBDEPS ON)
   SET(CPACK_DEBIAN_PACKAGE_GENERATE_SHLIBS ON)
   INCLUDE(CPack)