diff --git a/scd-reduction-tools-dev.yml b/scd-reduction-tools-dev.yml
index de44d14949809ae4e1f3da3ab4082657e9ad77d7..3318dd0a39b2d74234d9b05bca5a092db66dfe30 100644
--- a/scd-reduction-tools-dev.yml
+++ b/scd-reduction-tools-dev.yml
@@ -7,7 +7,7 @@ channels:
   - conda-forge
 
 dependencies:
-  - mantid=6.13.0.1
+  - mantid>=6.13,<6.14
   - numpy
   - pycifrw
   - gemmi
diff --git a/scd-reduction-tools-qa.yml b/scd-reduction-tools-qa.yml
index 5175d2d5722af91a6d4f4dd5853c8f483f84fb36..fb8148add283911fdade5da9d6f547b72a6e2621 100644
--- a/scd-reduction-tools-qa.yml
+++ b/scd-reduction-tools-qa.yml
@@ -7,7 +7,7 @@ channels:
   - conda-forge
 
 dependencies:
-  - mantid=6.12.0.2
+  - mantid>=6.13,<6.14
   - numpy
   - pycifrw
   - matplotlib
diff --git a/scd-reduction-tools.yml b/scd-reduction-tools.yml
index ae8857e851e02de9a7ece125144946b83761bfb4..3a5d4674625792c1de7af3c7d84a8942bfb4be14 100644
--- a/scd-reduction-tools.yml
+++ b/scd-reduction-tools.yml
@@ -7,7 +7,7 @@ channels:
   - conda-forge
 
 dependencies:
-  - mantid=6.12.0.2
+  - mantid>=6.13,<6.14
   - numpy
   - pycifrw
   - matplotlib