diff --git a/setup.json b/setup.json
index de2499ba7..fdefd8b27 100644
--- a/setup.json
+++ b/setup.json
@@ -93,6 +93,7 @@
         ]
     },
     "install_requires": [
+        "psycopg2-binary<2.9",
         "aiida_core[atomic_tools]~=1.4,>=1.4.4",
         "aiida-pseudo~=0.6.1",
         "jsonschema",