diff --git a/reverse-proxy.conf b/reverse-proxy.conf
index 41c4fc0..69c28d8 100644
--- a/reverse-proxy.conf
+++ b/reverse-proxy.conf
@@ -72,6 +72,7 @@ server {
 
       # Set the security headers
 
+      add-header Permissions-Policy "interest-cohort=()"; # Don't allow Google FLoC
       add_header Strict-Transport-Security "max-age=31536000; includeSubDomains; preload"; #HSTS
       add_header X-Frame-Options DENY; #Prevents clickjacking
       add_header X-Content-Type-Options nosniff; #Prevents mime sniffing
diff --git a/subdomain-proxy.conf b/subdomain-proxy.conf
index c38b0ad..d9842f8 100644
--- a/subdomain-proxy.conf
+++ b/subdomain-proxy.conf
@@ -46,6 +46,7 @@ server {
 
       # Set the security headers
 
+      add-header Permissions-Policy "interest-cohort=()"; # Don't allow Google FLoC
       add_header Strict-Transport-Security "max-age=31536000; includeSubDomains; preload"; #HSTS
       add_header X-Frame-Options DENY; #Prevents clickjacking
       add_header X-Content-Type-Options nosniff; #Prevents mime sniffing