diff --git a/environment.py b/environment.py
index d1c107ba5f..316357cc40 100644
--- a/environment.py
+++ b/environment.py
@@ -276,7 +276,7 @@ def env() -> Mapping[str, Optional[str]]:
             # Updating any of the four images below additionally requires
             # redeploying the `gitlab` TF component.
             'clamav': {
-                'ref': 'docker.io/clamav/clamav:1.3.0-37'
+                'ref': 'docker.io/clamav/clamav:1.3.0-40'
             },
             'gitlab': {
                 'ref': 'docker.io/gitlab/gitlab-ce:16.9.1-ce.0'