diff --git a/docker-compose.yml b/docker-compose.yml
index ee7b758a11..c724b84c75 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -131,6 +131,7 @@ services:
       - POSTMAN_BASE_URL=https://test.postman.gov.sg/api/v2
       - DOWNLOAD_FORM_WHITELIST_RATE_LIMIT
       - UPLOAD_FORM_WHITELIST_RATE_LIMIT
+      - FORMSG_SDK_PUBLIC_JWKS={"keys":[{"kty":"RSA","kid":"old-key-id","use":"sig","alg":"RS256","n":"old-key-modulus","e":"old-key-exponent"},{"kty":"RSA","kid":"new-key-id","use":"sig","alg":"RS256","n":"new-key-modulus","e":"new-key-exponent"}]}
 
   mockpass:
     build: https://github.com/opengovsg/mockpass.git#v4.3.1