diff --git a/conda/recipes/conda_build_config.yaml b/conda/recipes/conda_build_config.yaml
index 05da5ca46c29..f2c9eaae5b05 100644
--- a/conda/recipes/conda_build_config.yaml
+++ b/conda/recipes/conda_build_config.yaml
@@ -102,6 +102,9 @@ sphinx_bootstrap_theme:
 scipy:
   - '>=1.10.0'
 
+pillow:
+  - '<12.0.0'
+
 pip:
   - '>=21.0.1'
 
diff --git a/conda/recipes/mantid-developer/recipe.yaml b/conda/recipes/mantid-developer/recipe.yaml
index 69a998e85c4e..38aa45e98aef 100644
--- a/conda/recipes/mantid-developer/recipe.yaml
+++ b/conda/recipes/mantid-developer/recipe.yaml
@@ -32,6 +32,7 @@ requirements:
     - ninja ${{ ninja }}
     - numpy ${{ numpy }}
     - occt ${{ occt }}
+    - pillow ${{ pillow }}
     - pip ${{ pip }}
     - poco ${{ poco }}
     - psutil ${{ psutil }}
diff --git a/conda/recipes/mantid/recipe.yaml b/conda/recipes/mantid/recipe.yaml
index 3517f3e83c29..456359fc72a0 100644
--- a/conda/recipes/mantid/recipe.yaml
+++ b/conda/recipes/mantid/recipe.yaml
@@ -97,6 +97,7 @@ requirements:
     - ${{ pin_subpackage('mantid', upper_bound='x.x.x') }}
   run_constraints:
     - matplotlib-base ${{ matplotlib }}
+    - pillow ${{ pillow }}
     - pystog ${{ pystog }}
 
 tests: