diff --git a/CMakeLists.txt b/CMakeLists.txt
index 459c0c2f..3af5f659 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -32,7 +32,7 @@ get_directory_property(IS_SUBPROJECT PARENT_DIRECTORY)
 
 # ############
 # Load TRIQS and CPP2PY
-find_package(TRIQS 3.0 REQUIRED)
+find_package(TRIQS 3.1 REQUIRED)
 
 # Get the git hash & print status
 triqs_get_git_hash_of_source_dir(PROJECT_GIT_HASH)