diff --git a/alembic.ini.in b/alembic.ini.in
index 14b281545..a1892626f 100644
--- a/alembic.ini.in
+++ b/alembic.ini.in
@@ -29,7 +29,7 @@ script_location = alembic_migration
 # are written from script.py.mako
 # output_encoding = utf-8
 
-sqlalchemy.url = postgresql://{db_user}:{db_password}@{db_host}:{db_port}/{db_name}
+sqlalchemy.url = postgresql://{db_user}:{db_password}@{db_host}:{db_port}/{db_name}?sslmode=disable
 
 version_table_schema = alembic
 
diff --git a/c2corg_api/scripts/loadtests/loadtests.ini.in b/c2corg_api/scripts/loadtests/loadtests.ini.in
index 656cff949..367ec7f18 100644
--- a/c2corg_api/scripts/loadtests/loadtests.ini.in
+++ b/c2corg_api/scripts/loadtests/loadtests.ini.in
@@ -1,3 +1,3 @@
 [app:main]
 use = call:c2corg_api.scripts.loadtests.create_test_users:no_op
-sqlalchemy.url = postgresql://{db_user}:{db_password}@{db_host}:{db_port}/{db_name}
+sqlalchemy.url = postgresql://{db_user}:{db_password}@{db_host}:{db_port}/{db_name}?sslmode=disable
diff --git a/development.ini.in b/development.ini.in
index 95341bf5d..f2116ac62 100644
--- a/development.ini.in
+++ b/development.ini.in
@@ -20,7 +20,7 @@ pyramid.includes =
 # invalidated when the debug server reloads
 cache_version_timestamp = True
 
-sqlalchemy.url = postgresql://{db_user}:{db_password}@{db_host}:{db_port}/{db_name}
+sqlalchemy.url = postgresql://{db_user}:{db_password}@{db_host}:{db_port}/{db_name}?sslmode=disable
 
 # By default, the toolbar only appears for clients from IP addresses
 # '127.0.0.1' and '::1'.
diff --git a/production.ini.in b/production.ini.in
index 26d978b74..3d33d1d60 100644
--- a/production.ini.in
+++ b/production.ini.in
@@ -15,7 +15,7 @@ pyramid.includes =
     pyramid_mailer
     pyramid_tm
 
-sqlalchemy.url = postgresql://{db_user}:{db_password}@{db_host}:{db_port}/{db_name}
+sqlalchemy.url = postgresql://{db_user}:{db_password}@{db_host}:{db_port}/{db_name}?sslmode=disable
 
 [server:main]
 use = egg:waitress#main
diff --git a/test.ini.in b/test.ini.in
index 1915e91d5..0ce2ca3f2 100644
--- a/test.ini.in
+++ b/test.ini.in
@@ -3,7 +3,7 @@ use = config:common.ini
 pyramid.includes =
     pyramid_mailer.testing
     pyramid_tm
-sqlalchemy.url = postgresql://{tests_db_user}:{tests_db_password}@{tests_db_host}:{tests_db_port}/{tests_db_name}
+sqlalchemy.url = postgresql://{tests_db_user}:{tests_db_password}@{tests_db_host}:{tests_db_port}/{tests_db_name}?sslmode=disable
 noauthorization = False
 debug_authorization = True
 jwtauth.master_secret = The master key