diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1527f2aa521cdfcbe9f15eff8dbd0f66b243f2ac..ca2081d712ba36959bb4c80851d18b3763e769fe 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -20,7 +20,8 @@ releaseTest:
   script:
     - . "/builds/miniconda3/etc/profile.d/conda.sh"
     - conda activate base
-    - mamba env update -f conda/env.yaml
+    - conda env remove -n gnomon_package_tissueimagemesh
+    - mamba env create -f conda/env.yaml
     - conda activate gnomon_package_tissueimagemesh
     - python -m pip install .
     - nose2 -v
@@ -37,7 +38,8 @@ test_MR_linux:
   script:
     - . "/builds/miniconda3/etc/profile.d/conda.sh"
     - conda activate base
-    - mamba env update -f conda/env.yaml
+    - conda env remove -n gnomon_package_tissueimagemesh
+    - mamba env create -f conda/env.yaml
     - conda activate gnomon_package_tissueimagemesh
     - python -m pip install .
     - nose2 -v
@@ -72,7 +74,8 @@ test_MR_macos:
   script:
     - source /Users/ci/miniconda3/etc/profile.d/conda.sh
     - conda activate base
-    - mamba env update -f conda/env.yaml
+    - conda env remove -n gnomon_package_tissueimagemesh
+    - mamba env create -f conda/env.yaml
     - conda activate gnomon_package_tissueimagemesh
     - pip install .
     - nose2 -v
@@ -124,9 +127,7 @@ anaconda:
   script:
     - . "/builds/miniconda3/etc/profile.d/conda.sh"
     - conda activate base
-    - anaconda --token=$ANACONDA_TOKEN --verbose upload conda-bld/linux-64/gnomon_package_tissueimagemesh-* --user gnomon --force
-    - conda convert -p osx-64 conda-bld/linux-64/gnomon_package_tissueimagemesh-* --output-dir conda-bld/
-    - anaconda --token=$ANACONDA_TOKEN --verbose upload conda-bld/osx-64/gnomon_package_tissueimagemesh-* --user gnomon --force
+    - anaconda --token=$ANACONDA_TOKEN --verbose upload conda-bld/noarch/gnomon_package_tissueimagemesh-* --user gnomon --force
   only:
     - master
 
@@ -138,9 +139,7 @@ anaconda_develop:
   script:
     - . "/builds/miniconda3/etc/profile.d/conda.sh"
     - conda activate base
-    - anaconda --token=$ANACONDA_TOKEN --verbose upload conda-bld/linux-64/gnomon_package_tissueimagemesh-* --user gnomon --force
-    - conda convert -p osx-64 conda-bld/linux-64/gnomon_package_tissueimagemesh-* --output-dir conda-bld/
-    - anaconda --token=$ANACONDA_TOKEN --verbose upload conda-bld/osx-64/gnomon_package_tissueimagemesh-* --user gnomon --force
+    - anaconda --token=$ANACONDA_TOKEN --verbose upload conda-bld/noarch/gnomon_package_tissueimagemesh-* --user gnomon --force
   when: manual
   only:
     - develop
diff --git a/CHANGES.md b/CHANGES.md
index e7311098549089ec4fc087532ab2ee2bdb3d0ac5..5aca0914e4a6219e3d6c5cd5879ba1741bbb8386 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -7,6 +7,6 @@
 
 
 ## version 0.3.0 - 2023-07-10
-* gnomon 1.0.0
+* gnomon 0.81.0
 * new cell layer/curvature plugin
 * enhance image surface plugin
diff --git a/README.md b/README.md
index 9abfa75172bb9fa5352409816a7c741132ef4c21..5f5cc4d585a3cc8fbe9b70d2df7b39ac6b5f7f88 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,3 @@
-# Gnomon plugin package : `Tissue Image Mesk`
+# Gnomon plugin package : `Tissue Image Mesh`
 
 This package contains Python plugins for the [Gnomon computational platform](https://gnomon.gitlabpages.inria.fr/gnomon/) to convert 3D images into topological representations.
\ No newline at end of file
diff --git a/conda/env.yaml b/conda/env.yaml
index 574a495a4c8a47f3beb75c759d10b811825b07c2..ea15ebccbb55cbd59ad5f3e7463c0c2c4f5814fb 100644
--- a/conda/env.yaml
+++ b/conda/env.yaml
@@ -4,12 +4,13 @@ channels:
   - mosaic
   - morpheme
   - gnomon
-  - dtk-forge-staging
+  - dtk-forge6
   - conda-forge
 dependencies:
   - python=3.9
   - gnomon=1.0
   - gnomon_package_tissueimage
+  - gnomon_package_tissuemesh
   - ipython
   - nose2
   - coverage
diff --git a/conda/meta.yaml b/conda/meta.yaml
index 1d7b1555664d6f012ee9e27c634b7f4209489052..cebc7cc93c1ffded66a7cec6c1b0aa0e27f3975f 100644
--- a/conda/meta.yaml
+++ b/conda/meta.yaml
@@ -1,7 +1,6 @@
 package:
   name: gnomon_package_tissueimagemesh
-  # version: {{ environ.get('GIT_DESCRIBE_TAG', 'default') }}
-  version: 1.0.0
+  version: {{ environ.get('GIT_DESCRIBE_TAG', 'default') }}
 
 source:
   path: ../