diff --git a/manifest.jsonnet b/manifest.jsonnet
index 201c790f..e83552fd 100644
--- a/manifest.jsonnet
+++ b/manifest.jsonnet
@@ -30,7 +30,7 @@ local json = if std.member(['chrome', 'edge'], browser) then
   ) {
     description: 'A handy browser extension to search Rust docs and crates, etc in the address bar instantly!',
     // The production extension public key to get the constant extension id during development.
-    key: 'MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxOX+QfzcFnxPwwmzXDhuU59XGCSMZq+FGo0vOx/ufg/Vw7HfKEPVb9TKzrGtqW38kafWkjxOxGhF7VyyX2ymi55W0xqf8BedePbvMtV6H1tY5bscJ0dLKGH/ZG4T4f645LgvOWOBgyv8s3NDWXzwOMS57ER1y+EtHjDsWD1M0nfe0VCCLW18QlAsNTHfLZk6lUeEeGXZrl6+jK+pZxwhQFmc8cJvOyw7uAq6IJ9lnGDvxFVjGUepA0lKbLuIZjN3p70mgVUIuBYzKE6R8HDk4oBbKAK0HyyKfnuAYbfwVYotHw4def+OW9uADSlZEDC10wwIpU9NoP3szh+vWSnk0QIDAQAB',
+    [if browser == 'chrome' then 'key' else null]: 'MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxOX+QfzcFnxPwwmzXDhuU59XGCSMZq+FGo0vOx/ufg/Vw7HfKEPVb9TKzrGtqW38kafWkjxOxGhF7VyyX2ymi55W0xqf8BedePbvMtV6H1tY5bscJ0dLKGH/ZG4T4f645LgvOWOBgyv8s3NDWXzwOMS57ER1y+EtHjDsWD1M0nfe0VCCLW18QlAsNTHfLZk6lUeEeGXZrl6+jK+pZxwhQFmc8cJvOyw7uAq6IJ9lnGDvxFVjGUepA0lKbLuIZjN3p70mgVUIuBYzKE6R8HDk4oBbKAK0HyyKfnuAYbfwVYotHw4def+OW9uADSlZEDC10wwIpU9NoP3szh+vWSnk0QIDAQAB',
   }
 else
   local manifest_v2 = import 'core/manifest.libsonnet';