diff --git a/requirements/base.in b/requirements/base.in
index 08d41f8ebfbadc83e8a2a9b36c0ad61e07b424aa..51b2837720c55b6a81bc22d138afcc50c4baecf2 100644
--- a/requirements/base.in
+++ b/requirements/base.in
@@ -10,7 +10,7 @@ django-widget-tweaks
 django-simple-captcha
 gql[all]
 numpy
-psycopg2-binary
+psycopg2-binary<=2.9.9
 pirates
 whitenoise==5.3.0
 opencv-python
diff --git a/requirements/base.txt b/requirements/base.txt
index e26e95ed36dd6450ee763d626102d03e0c419901..33c5e759754d9192c0919f5586c4d6db79453e1c 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -228,7 +228,7 @@ prompt-toolkit==3.0.48
     #   ipython
 propcache==0.2.0
     # via yarl
-psycopg2-binary==2.9.10
+psycopg2-binary==2.9.9
     # via -r base.in
 ptyprocess==0.7.0
     # via pexpect