diff --git a/support/conda/blessings/meta.yaml b/support/conda/blessings/meta.yaml
index e45bdc769f6b200510f4692fcaeae896df193646..4ec5d0ea732d11b207707c3630a5bd1cdc4caf81 100644
--- a/support/conda/blessings/meta.yaml
+++ b/support/conda/blessings/meta.yaml
@@ -10,6 +10,7 @@ source:
   sha256: "98e5854d805f50a5b58ac2333411b0482516a8210f23f43308baeb58d77c157d"
 
 build:
+  noarch: python
   number: 0
   script: "{{ PYTHON }} -m pip install . --no-deps --ignore-installed -vv "
 
diff --git a/support/conda/jxmlease/meta.yaml b/support/conda/jxmlease/meta.yaml
index c6f2a1f2cb13f3363b03acf13c2e4644a5ce9757..83c47a79450d726f5d3c5b15fe4280a9199657c8 100644
--- a/support/conda/jxmlease/meta.yaml
+++ b/support/conda/jxmlease/meta.yaml
@@ -10,6 +10,7 @@ source:
   sha256: fb04cfd54d8d7e4cc533108750047e9ccf43139c3c0220f8a082274b19564e98
 
 build:
+  noarch: python
   number: 0
   script: "{{ PYTHON }} -m pip install . --no-deps --ignore-installed -vv "
 
diff --git a/support/conda/pid/meta.yaml b/support/conda/pid/meta.yaml
index b6ede62f75be0147743a365d5b887d35b77512b8..684c879c8af1d834f0c4678958eeb65814f9fcef 100644
--- a/support/conda/pid/meta.yaml
+++ b/support/conda/pid/meta.yaml
@@ -10,6 +10,7 @@ source:
   sha256: "96eb7dba326b88f5164bc1afdc986c7793e0d32d7f62366256a3903c7b0614ef"
 
 build:
+  noarch: python
   number: 0
   script: "{{ PYTHON }} -m pip install . --no-deps --ignore-installed -vv "
 
diff --git a/support/conda/pyat/meta.yaml b/support/conda/pyat/meta.yaml
index db7169e03b08384e9ea9bcdf2e87ccf6e5b5f60c..1f6b6342cd8bab63c107baa59538c3d0ee08ae48 100644
--- a/support/conda/pyat/meta.yaml
+++ b/support/conda/pyat/meta.yaml
@@ -57,6 +57,7 @@ requirements:
     - zope.sqlalchemy
 
 build:
+  noarch: python
   script: python setup.py install
 
 about:
diff --git a/support/conda/pycapo/meta.yaml b/support/conda/pycapo/meta.yaml
index 5163cca748c8ea60ab0bc0853722ce71dc233ecc..2b2113fec694771fbd7c0ee60297aba124cd0e42 100644
--- a/support/conda/pycapo/meta.yaml
+++ b/support/conda/pycapo/meta.yaml
@@ -10,6 +10,7 @@ source:
   sha256: 507d47278a66f2a67dc817e2dae533374ad0c8312aed7ab6e23e1b322baef5c6
 
 build:
+  noarch: python
   number: 0
   entry_points:
     - pycapo = pycapo.commands:pycapo
diff --git a/support/conda/pysftp/meta.yaml b/support/conda/pysftp/meta.yaml
index daa6c76ca687c67b501fdbfdf2ffe2af26d24ba7..053497efc2bbbeea7e56347eae845fc82ffe49d0 100644
--- a/support/conda/pysftp/meta.yaml
+++ b/support/conda/pysftp/meta.yaml
@@ -10,6 +10,7 @@ source:
   sha256: fbf55a802e74d663673400acd92d5373c1c7ee94d765b428d9f977567ac4854a
 
 build:
+  noarch: python
   number: 0
   script: "{{ PYTHON }} -m pip install . --no-deps --ignore-installed -vv "