diff --git a/environment.yml b/environment.yml
index 5a73076314..e075202399 100644
--- a/environment.yml
+++ b/environment.yml
@@ -28,7 +28,7 @@ dependencies:
 - plumpy~=0.19.0
 - pgsu~=0.2.0
 - psutil~=5.6
-- psycopg2-binary>=2.8.3,~=2.8
+- psycopg2-binary~=2.8.3
 - python-dateutil~=2.8
 - pytz~=2019.3
 - pyyaml~=5.1
diff --git a/setup.json b/setup.json
index d7cf07044b..ef8f659d0b 100644
--- a/setup.json
+++ b/setup.json
@@ -42,7 +42,7 @@
         "plumpy~=0.19.0",
         "pgsu~=0.2.0",
         "psutil~=5.6",
-        "psycopg2-binary~=2.8,>=2.8.3",
+        "psycopg2-binary~=2.8.3",
         "python-dateutil~=2.8",
         "pytz~=2019.3",
         "pyyaml~=5.1",