diff --git a/environment.yaml b/environment.yaml
index d742ef89733b847cbb06ed9a698c7642e6443ade..c09861096b344b920a4f219a904979b26205e818 100755
--- a/environment.yaml
+++ b/environment.yaml
@@ -8,8 +8,8 @@ dependencies:
   - ca-certificates
   - certifi
   - openssl
-  - eccodes
-  - python-eccodes
+  - eccodes==2.36.0
+  - python-eccodes==1.7.1
   - scipy
 #    - git+https://gitlab.dkrz.de/data-infrastructure-services/cloudify.git#egg=cloudify
 # does not work because it forces an old eccodes version