diff --git a/README.md b/README.md
index d1bd3132ca131a5628ce6db2a5bdbfa96ebf5af1..490f979bba746c65b69a5bea845027a18fd88fed 100644
--- a/README.md
+++ b/README.md
@@ -15,9 +15,9 @@ cd eic_container
    modeuefile will be installed to `$PREFIX/../../etc/modulefiles`. 
    You can use the `-v` flag to select the version you want to install, or omit the 
    flag if you want to install the master build. The recommended stable 
-   release version is `v2.5.0`.
+   release version is `v2.6.1`.
 ```bash
-./install.py -v 2.5.0 <PREFIX>
+./install.py -v 2.6.1 <PREFIX>
 ```
 
    Available flags:
@@ -122,6 +122,7 @@ Included software:
     - gaudi@34.0
     - dawn@3.91a
     - dawncut@1.54a
+    - opencascade
   - The singularity build exports the following applications:
     - eic_shell: a development shell in the image
     - container_dev: same as EIC shell
diff --git a/VERSION b/VERSION
index e70b4523ae7ffe8aa3cac8ecd1b093fba5a98737..6a6a3d8e35c7a98eaeb47d4212cc13d1d8938003 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.6.0
+2.6.1
diff --git a/containers/builder/spack.yaml b/containers/builder/spack.yaml
index 41658b79312037c8fa3673c17ea6f73919ce9f6a..8a4d53af7a477480531356f296bb69812b65012b 100644
--- a/containers/builder/spack.yaml
+++ b/containers/builder/spack.yaml
@@ -27,5 +27,6 @@ spack:
     - gaudi@34.0
     - dawn@3_91a
     - dawncut@1_54a
+    - opencascade
   concretization: together
   view: /usr/local