diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9d5036a7..10e25bd8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,7 +3,7 @@
 # GNU Lesser General Public License v2.1 or any later version.
 
 cmake_minimum_required(VERSION 3.5)
-project(WB-Toolbox LANGUAGES CXX VERSION 5.7.0)
+project(WB-Toolbox LANGUAGES CXX VERSION 6.0.0)
 
 if(WBT_BUILD_DOCS)
     add_subdirectory(doc)
diff --git a/ci_env.yml b/ci_env.yml
index e3148873..fb29425b 100644
--- a/ci_env.yml
+++ b/ci_env.yml
@@ -9,7 +9,7 @@ dependencies:
   - ninja
   - pkg-config
   - eigen 
-  - blockfactory
+  - blockfactory>=1.0.0
   - idyntree 
   - osqp-eigen
   - qpoases