diff --git a/conda.recipe/meta.yaml b/conda.recipe/meta.yaml
index da55e04..ff18538 100644
--- a/conda.recipe/meta.yaml
+++ b/conda.recipe/meta.yaml
@@ -37,9 +37,11 @@ requirements:
   run:
     - numpy
     - histogram
+    - pyre
     - scipy
     - matplotlib
     - mantid
+    - ipywe
 
   test:
     imports:
diff --git a/conda_environment.yml b/conda_environment.yml
index 2544c53..a78282d 100644
--- a/conda_environment.yml
+++ b/conda_environment.yml
@@ -2,9 +2,9 @@
 #Only use for building a conda package: conda mambabuild
 name: multiphonon_conda_build_only
 channels:
-  - conda-forge
   - mantid
   - mcvine
+  - conda-forge
 dependencies:
   - anaconda-client
   - boa
diff --git a/environment.yml b/environment.yml
index 43802e5..0ac72b6 100644
--- a/environment.yml
+++ b/environment.yml
@@ -2,9 +2,9 @@
 #Note: Use this
 name: multiphonon
 channels:
-  - conda-forge
-  - mcvine
   - mantid
+  - mcvine
+  - conda-forge
 dependencies:
   #- anaconda-client
   #- boa
diff --git a/pyproject.toml b/pyproject.toml
index 0e0ce36..b6dea6e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,10 @@ description="Multiphonon scattering and multiple scattering correction for powde
 dynamic = ["version"]
 requires-python = ">=3.8"
 dependencies = [
-  # list all runtime dependencies here
+  "numpy >= 1.20.3, <2.0",
+  "scipy >= 1.9.0, < 1.14.0",
+  "mantid == 6.4",
+  "ipywe == 0.1.3a1"
 ]
 license = { text = "BSD" }
 keywords= ["neutron, inelastic neutron scattering, powder, phonon"]
@@ -18,8 +21,6 @@ requires = [
   "wheel",
   "toml",
   "versioningit",
-  "numpy >= 1.20.3, <2.0",
-  "scipy >= 1.9.0, < 1.14.0"
 ]
 build-backend = "setuptools.build_meta"