diff --git a/env/cil_demos.yml b/env/cil_demos.yml
index c0343af..a315644 100644
--- a/env/cil_demos.yml
+++ b/env/cil_demos.yml
@@ -4,12 +4,12 @@ channels:
   - https://software.repos.intel.com/python/conda
 dependencies:
   - python=3.12
-  - ccpi::cil=25.0.0
-  - numpy=1.26
-  - astra-toolbox=2.1=cuda*
-  - ccpi::tigre=2.6
-  - ccpi::ccpi-regulariser=24.0.1
-  - ccpi::tomophantom=2.0.0
+  - ccpi::cil=26.0.0
+  - numpy=2.4
+  - astra-toolbox::astra-toolbox=2.4
+  - ccpi::tigre 3.1.3
+  - ccpi::ccpi-regulariser 25.* cuda*
+  - httomo::tomophantom 3.1.4
   - ipykernel
   - ipywidgets
   - scikit-image
diff --git a/env/cil_demos_cpu.yml b/env/cil_demos_cpu.yml
index 77f8989..cd9645b 100644
--- a/env/cil_demos_cpu.yml
+++ b/env/cil_demos_cpu.yml
@@ -4,11 +4,11 @@ channels:
   - https://software.repos.intel.com/python/conda
 dependencies:
   - python=3.12
-  - ccpi::cil=25.0.0
-  - numpy=1.26
-  - conda-forge::astra-toolbox=2.1=py*
-  - ccpi::ccpi-regulariser=24.0.1
-  - ccpi::tomophantom=2.0.0
+  - ccpi::cil=26.0.0
+  - numpy=2.4
+  - astra-toolbox::astra-toolbox=2.4
+  - ccpi::ccpi-regulariser 25.* py*
+  - httomo::tomophantom 3.1.4
   - ipykernel
   - ipywidgets
   - scikit-image
diff --git a/env/cil_test_demos.yml b/env/cil_test_demos.yml
index 159a27b..0ae10c7 100644
--- a/env/cil_test_demos.yml
+++ b/env/cil_test_demos.yml
@@ -4,17 +4,17 @@ channels:
   - nvidia
   - https://software.repos.intel.com/python/conda
 dependencies:
-  # base (vis. recipe/conda_build_config.yaml)
-  - python >=3.10,<3.13
-  - numpy >=1.23,<2
-  - libgomp      # [linux]
-  - ccpi::cil=25.0.0
+  # base (vis. CIL's recipe.yaml)
+  - python >=3.10
+  - numpy >=1.23,<3
+  - libgomp # [linux]
+  - ccpi::cil=26.0.0
   - ccpi::cil-data >=22
-  - ccpi::tigre 2.6
-  - ccpi::ccpi-regulariser 24.0.1
-  - ccpi::tomophantom 2.0.0
-  - astra-toolbox 2.1 cuda*
-  - cvxpy
+  - ccpi::tigre 3.1.3
+  - ccpi::ccpi-regulariser 25.* cuda*
+  - httomo::tomophantom 3.1.4
+  - astra-toolbox::astra-toolbox 2.4
+  - cvxpy!=1.8.2
   - python-wget
   - ipykernel 
   - scikit-image