diff --git a/README.md b/README.md
index f9b2cc3e2f18c96d017b7fe2b3f2866de2f95271..dbf208f93febb7c01e7f86ec3ef88d22ccc95f15 100644
--- a/README.md
+++ b/README.md
@@ -3,26 +3,18 @@
 Based on https://github.com/conan-io/conan-docker-tools to build Docker images for Soleil environments
 
 All images include:
-- Conan 2.6.0 with Python 3.6.13
-- Cmake 3.30.2
+- Conan 2.12.1 with Python 3.6.13
+- Cmake 3.31.5
 - Git 2.39.2
 
 | Image               | OS             | Arch    | GCC                                         |
 | ------------------- | -------------- | ------- | --------------------------------------------|
 | conan-el6-gcc44     | CentOS 6       | x86_64  | gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23) |
 | conan-el6-gcc44-x86 | CentOS 6       | i686    | gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23) |
-| conan-el6-gcc73     | CentOS 6       | x86_64  | gcc (GCC) 7.3.1 20180303 (Red Hat 7.3.1-5)  |
-| conan-el6-gcc73-x86 | CentOS 6       | i686    | gcc (GCC) 7.3.1 20180303 (Red Hat 7.3.1-5)  |
-| conan-el6-gcc83     | CentOS 6       | x86_64  | gcc (GCC) 8.3.1 20190311 (Red Hat 8.3.1-3)  |
-| conan-el6-gcc83-x86 | CentOS 6       | i686    | gcc (GCC) 8.3.1 20190311 (Red Hat 8.3.1-3)  |
 | conan-el6-gcc91     | CentOS 6       | x86_64  | gcc (GCC) 9.1.1 20190605 (Red Hat 9.1.1-2)  |
 | conan-el6-gcc91-x86 | CentOS 6       | i686    | gcc (GCC) 9.1.1 20190605 (Red Hat 9.1.1-2)  |
-| conan-el7-gcc44     | CentOS 7       | x86_64  | gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-44) |
-| conan-el7-gcc44-x86 | CentOS 7       | i686    | gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-44) |
-| conan-el7-gcc73     | CentOS 7       | x86_64  | gcc (GCC) 7.3.1 20180303 (Red Hat 7.3.1-5)  |
-| conan-el7-gcc73-x86 | CentOS 7       | i686    | gcc (GCC) 7.3.1 20180303 (Red Hat 7.3.1-5)  |
-| conan-el7-gcc83     | CentOS 7       | x86_64  | gcc (GCC) 8.3.1 20190311 (Red Hat 8.3.1-3)  |
-| conan-el7-gcc82-x86 | CentOS 7       | i686    | gcc (GCC) 8.2.1 20180905 (Red Hat 8.2.1-3)  |
+| conan-el7-gcc48     | CentOS 7       | x86_64  | gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-44) |
+| conan-el7-gcc48-x86 | CentOS 7       | i686    | gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-44) |
 | conan-el7-gcc93     | CentOS 7       | x86_64  | gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2)  |
 | conan-el7-gcc93-x86 | CentOS 7       | i686    | gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2)  |
 
@@ -43,7 +35,7 @@ docker build --build-arg http_proxy --build-arg https_proxy --build-arg no_proxy
 ### To build image without docker-compose with specific version of Conan
 
 ```
-$ docker build --build-arg http_proxy --build-arg https_proxy --build-arg no_proxy --build-arg CONAN_VERSION=2.6.0 -t conan-el6-gcc44 -f conan-el6-gcc44/Dockerfile .
+$ docker build --build-arg http_proxy --build-arg https_proxy --build-arg no_proxy --build-arg CONAN_VERSION=2.12.1 -t conan-el6-gcc44 -f conan-el6-gcc44/Dockerfile .
 ```
 
 ## Launch
diff --git a/dependencies.dot b/dependencies.dot
index 8d6fdc3e2a208d09e572fa2d253028e05a9d1546..21b599680f8c2bb189a34d3ac3dc31ceee8c9c5a 100644
--- a/dependencies.dot
+++ b/dependencies.dot
@@ -14,43 +14,27 @@ digraph CentOS_conan {
     ranksep=2;
 
     "dev-el6-gcc44"
-    "dev-el6-gcc73"
-    "dev-el6-gcc83"
     "dev-el6-gcc91"
 
     "dev-el6-gcc44-x86"
-    "dev-el6-gcc73-x86"
-    "dev-el6-gcc83-x86"
     "dev-el6-gcc91-x86"
 
     "dev-el7-gcc48"
-    "dev-el7-gcc73"
-    "dev-el7-gcc83"
     "dev-el7-gcc93"
 
     "dev-el7-gcc48-x86"
-    "dev-el7-gcc73-x86"
-    "dev-el7-gcc82-x86"
     "dev-el7-gcc93-x86"
 
     "conan-el6-gcc44"
-    "conan-el6-gcc73"
-    "conan-el6-gcc83"
     "conan-el6-gcc91"
 
     "conan-el6-gcc44-x86"
-    "conan-el6-gcc73-x86"
-    "conan-el6-gcc83-x86"
     "conan-el6-gcc91-x86"
 
     "conan-el7-gcc48"
-    "conan-el7-gcc73"
-    "conan-el7-gcc83"
     "conan-el7-gcc93"
 
     "conan-el7-gcc48-x86"
-    "conan-el7-gcc73-x86"
-    "conan-el7-gcc82-x86"
     "conan-el7-gcc93-x86"
 
     node [shape=component, fillcolor= lightgray]
@@ -60,65 +44,43 @@ digraph CentOS_conan {
     "git-2.39.2-linux-x86_64"
     "git-2.39.2-linux-i686"
 
-    "cmake-3.30.2-linux-i686"
+    "cmake-3.31.5-linux-i686"
 
-    "conan-2.6.0-linux-x86_64"
-    "conan-2.6.0-linux-i686"
+    "conan-2.12.1-linux-x86_64"
+    "conan-2.12.1-linux-i686"
 
     {rank = same; "dev-el6-gcc44"; "dev-el6-gcc44-x86"; "dev-el7-gcc48"; "dev-el7-gcc48-x86"}
-    {rank = same; "dev-el6-gcc73"; "dev-el6-gcc83"; "dev-el6-gcc91"; "dev-el6-gcc73-x86"; "dev-el6-gcc83-x86"; "dev-el6-gcc91-x86"; "dev-el7-gcc73"; "dev-el7-gcc83"; "dev-el7-gcc93"; "dev-el7-gcc73-x86"; "dev-el7-gcc82-x86"; "dev-el7-gcc93-x86"}
+    {rank = same; "dev-el6-gcc91"; "dev-el6-gcc91-x86"; "dev-el7-gcc93"; "dev-el7-gcc93-x86"}
     
     "dev-el6-gcc44-x86"
-    "dev-el6-gcc73-x86"
-    "dev-el6-gcc83-x86"
     "dev-el6-gcc91-x86"
 
     "dev-el7-gcc48"
-    "dev-el7-gcc73"
-    "dev-el7-gcc83"
     "dev-el7-gcc93"
 
     "dev-el7-gcc48-x86"
-    "dev-el7-gcc73-x86"
-    "dev-el7-gcc82-x86"
     "dev-el7-gcc93-x86"
 
     # Extends
     edge [dir=back arrowtail=empty]
-    "dev-el6-gcc44" -> "dev-el6-gcc73"
-    "dev-el6-gcc44" -> "dev-el6-gcc83"
     "dev-el6-gcc44" -> "dev-el6-gcc91"   
 
-    "dev-el6-gcc44-x86" -> "dev-el6-gcc73-x86"
-    "dev-el6-gcc44-x86" -> "dev-el6-gcc83-x86"
     "dev-el6-gcc44-x86" -> "dev-el6-gcc91-x86"
 
-    "dev-el7-gcc48" -> "dev-el7-gcc73"
-    "dev-el7-gcc48" -> "dev-el7-gcc83"
     "dev-el7-gcc48" -> "dev-el7-gcc93"
 
-    "dev-el7-gcc48-x86" -> "dev-el7-gcc73-x86"
-    "dev-el7-gcc48-x86" -> "dev-el7-gcc82-x86"
     "dev-el7-gcc48-x86" -> "dev-el7-gcc93-x86"
 
     "dev-el6-gcc44" -> "conan-el6-gcc44"
-    "dev-el6-gcc73" -> "conan-el6-gcc73"
-    "dev-el6-gcc83" -> "conan-el6-gcc83"
     "dev-el6-gcc91" -> "conan-el6-gcc91"
 
     "dev-el6-gcc44-x86" -> "conan-el6-gcc44-x86"
-    "dev-el6-gcc73-x86" -> "conan-el6-gcc73-x86"
-    "dev-el6-gcc83-x86" -> "conan-el6-gcc83-x86"
     "dev-el6-gcc91-x86" -> "conan-el6-gcc91-x86"
 
     "dev-el7-gcc48" -> "conan-el7-gcc48"
-    "dev-el7-gcc73" -> "conan-el7-gcc73"
-    "dev-el7-gcc83" -> "conan-el7-gcc83"
     "dev-el7-gcc93" -> "conan-el7-gcc93"
 
     "dev-el7-gcc48-x86" -> "conan-el7-gcc48-x86"
-    "dev-el7-gcc73-x86" -> "conan-el7-gcc73-x86"
-    "dev-el7-gcc82-x86" -> "conan-el7-gcc82-x86"
     "dev-el7-gcc93-x86" -> "conan-el7-gcc93-x86"
 
     # Use
@@ -129,79 +91,48 @@ digraph CentOS_conan {
     "conan-el6-gcc91" -> "python-3.6.13-linux-x86_64"
     "conan-el6-gcc91-x86" -> "python-3.6.13-linux-i686"
 
-    "dev-el6-gcc73-x86" -> "cmake-3.30.2-linux-i686"
-    "dev-el7-gcc73-x86" -> "cmake-3.30.2-linux-i686"
-
-    "python-3.6.13-linux-x86_64" -> "conan-2.6.0-linux-x86_64"
-    "python-3.6.13-linux-i686" -> "conan-2.6.0-linux-i686"
+    "python-3.6.13-linux-x86_64" -> "conan-2.12.1-linux-x86_64"
+    "python-3.6.13-linux-i686" -> "conan-2.12.1-linux-i686"
 
     "python-3.6.13-linux-x86_64" -> "conan-el6-gcc44"
-    "python-3.6.13-linux-x86_64" -> "conan-el6-gcc73"
-    "python-3.6.13-linux-x86_64" -> "conan-el6-gcc83"
     "python-3.6.13-linux-x86_64" -> "conan-el6-gcc91"
 
     "python-3.6.13-linux-i686" -> "conan-el6-gcc44-x86"
-    "python-3.6.13-linux-i686" -> "conan-el6-gcc73-x86"
-    "python-3.6.13-linux-i686" -> "conan-el6-gcc83-x86"
     "python-3.6.13-linux-i686" -> "conan-el6-gcc91-x86"    
 
     "python-3.6.13-linux-x86_64" -> "conan-el7-gcc48"
-    "python-3.6.13-linux-x86_64" -> "conan-el7-gcc73"
-    "python-3.6.13-linux-x86_64" -> "conan-el7-gcc83"
     "python-3.6.13-linux-x86_64" -> "conan-el7-gcc93"
 
     "python-3.6.13-linux-i686" -> "conan-el7-gcc48-x86"
-    "python-3.6.13-linux-i686" -> "conan-el7-gcc73-x86"
-    "python-3.6.13-linux-i686" -> "conan-el7-gcc82-x86"
     "python-3.6.13-linux-i686" -> "conan-el7-gcc93-x86"
 
     "git-2.39.2-linux-x86_64" -> "conan-el6-gcc44"
-    "git-2.39.2-linux-x86_64" -> "conan-el6-gcc73"
-    "git-2.39.2-linux-x86_64" -> "conan-el6-gcc83"
     "git-2.39.2-linux-x86_64" -> "conan-el6-gcc91"
 
     "git-2.39.2-linux-i686" -> "conan-el6-gcc44-x86"
-    "git-2.39.2-linux-i686" -> "conan-el6-gcc73-x86"
-    "git-2.39.2-linux-i686" -> "conan-el6-gcc83-x86"
     "git-2.39.2-linux-i686" -> "conan-el6-gcc91-x86"    
 
     "git-2.39.2-linux-x86_64" -> "conan-el7-gcc48"
-    "git-2.39.2-linux-x86_64" -> "conan-el7-gcc73"
-    "git-2.39.2-linux-x86_64" -> "conan-el7-gcc83"
     "git-2.39.2-linux-x86_64" -> "conan-el7-gcc93"
 
     "git-2.39.2-linux-i686" -> "conan-el7-gcc48-x86"
-    "git-2.39.2-linux-i686" -> "conan-el7-gcc73-x86"
-    "git-2.39.2-linux-i686" -> "conan-el7-gcc82-x86"
     "git-2.39.2-linux-i686" -> "conan-el7-gcc93-x86"
 
-    "cmake-3.30.2-linux-i686" -> "conan-el6-gcc44-x86"
-    "cmake-3.30.2-linux-i686" -> "conan-el6-gcc73-x86"
-    "cmake-3.30.2-linux-i686" -> "conan-el6-gcc83-x86"
-    "cmake-3.30.2-linux-i686" -> "conan-el6-gcc91-x86"  
-
-    "cmake-3.30.2-linux-i686" -> "conan-el7-gcc48-x86"
-    "cmake-3.30.2-linux-i686" -> "conan-el7-gcc73-x86"
-    "cmake-3.30.2-linux-i686" -> "conan-el7-gcc82-x86"
-    "cmake-3.30.2-linux-i686" -> "conan-el7-gcc93-x86"
-
-    "conan-2.6.0-linux-x86_64" -> "conan-el6-gcc44"
-    "conan-2.6.0-linux-x86_64" -> "conan-el6-gcc73"
-    "conan-2.6.0-linux-x86_64" -> "conan-el6-gcc83"
-    "conan-2.6.0-linux-x86_64" -> "conan-el6-gcc91"
-
-    "conan-2.6.0-linux-i686" -> "conan-el6-gcc44-x86"
-    "conan-2.6.0-linux-i686" -> "conan-el6-gcc73-x86"
-    "conan-2.6.0-linux-i686" -> "conan-el6-gcc83-x86"
-    "conan-2.6.0-linux-i686" -> "conan-el6-gcc91-x86"    
-
-    "conan-2.6.0-linux-x86_64" -> "conan-el7-gcc48"
-    "conan-2.6.0-linux-x86_64" -> "conan-el7-gcc73"
-    "conan-2.6.0-linux-x86_64" -> "conan-el7-gcc83"
-    "conan-2.6.0-linux-x86_64" -> "conan-el7-gcc93"
-
-    "conan-2.6.0-linux-i686" -> "conan-el7-gcc48-x86"
-    "conan-2.6.0-linux-i686" -> "conan-el7-gcc73-x86"
-    "conan-2.6.0-linux-i686" -> "conan-el7-gcc82-x86"
-    "conan-2.6.0-linux-i686" -> "conan-el7-gcc93-x86"
+    "cmake-3.31.5-linux-i686" -> "conan-el6-gcc44-x86"
+    "cmake-3.31.5-linux-i686" -> "conan-el6-gcc91-x86"  
+
+    "cmake-3.31.5-linux-i686" -> "conan-el7-gcc48-x86"
+    "cmake-3.31.5-linux-i686" -> "conan-el7-gcc93-x86"
+
+    "conan-2.12.1-linux-x86_64" -> "conan-el6-gcc44"
+    "conan-2.12.1-linux-x86_64" -> "conan-el6-gcc91"
+
+    "conan-2.12.1-linux-i686" -> "conan-el6-gcc44-x86"
+    "conan-2.12.1-linux-i686" -> "conan-el6-gcc91-x86"    
+
+    "conan-2.12.1-linux-x86_64" -> "conan-el7-gcc48"
+    "conan-2.12.1-linux-x86_64" -> "conan-el7-gcc93"
+
+    "conan-2.12.1-linux-i686" -> "conan-el7-gcc48-x86"
+    "conan-2.12.1-linux-i686" -> "conan-el7-gcc93-x86"
 }