diff --git a/roles/publisher/files/environment.yml b/roles/publisher/files/environment.yml
index 5bf576b4..e6e09327 100644
--- a/roles/publisher/files/environment.yml
+++ b/roles/publisher/files/environment.yml
@@ -86,7 +86,7 @@ dependencies:
     - cf-python==3.0.1
     - cfdm==1.7.8
     - cfunits==3.2.2
-    - esgcet==3.7.1
+    - esgcet==3.7.2
     - esgconfigparser==0.1.17
     - esgf-pyclient==0.2.1
     - esgfpid==0.7.14
@@ -103,8 +103,9 @@ dependencies:
     - nose==1.3.7
     - pbr==5.4.3
     - pika==0.11.2
+    - psycopg2==2.7.7
     - psutil==5.6.3
-    - psycopg2==2.6.2
+    - psycopg2_binary==2.7.4
     - regrid2==3.0.0
     - requests==2.20.0
     - requests-cache==0.5.2