diff --git a/ska-sdp-datamodels/build.sh b/ska-sdp-datamodels/build.sh
index 4347635..03aef02 100644
--- a/ska-sdp-datamodels/build.sh
+++ b/ska-sdp-datamodels/build.sh
@@ -3,7 +3,4 @@
 # tar.gz has internal folder which contains the setup.py
 cd $INTERNAL_FOLDER_NAME
 
-# poetry seems to make troubles with conda - remove it
-rm pyproject.toml
-
 $PYTHON -m pip install --no-deps .
diff --git a/ska-sdp-datamodels/meta.yaml b/ska-sdp-datamodels/meta.yaml
index 015191c..1425261 100644
--- a/ska-sdp-datamodels/meta.yaml
+++ b/ska-sdp-datamodels/meta.yaml
@@ -17,17 +17,18 @@ build:
 requirements:
   build:
     - python            {{ python }}
-    - pip 
+    - pip
+    - poetry-core       >=1.0.0
 
   host:
     - python            {{ python }}
     - pip
+    - poetry-core
     
   run:
     - python            {{ python }}
-    - pip
-    - astroplan         >=0.8,          <0.9
-    - astropy           >=5.1,          <6.0 
+    - astroplan         >=0.8
+    - astropy           >=5.1
     - h5py              >=3.7.0
     - numpy             >=1.21, !=1.24.0
     - pandas            >=1.5.0