diff --git a/.bundle/config b/.bundle/config
index 22715f4d..1343d0f9 100644
--- a/.bundle/config
+++ b/.bundle/config
@@ -3,3 +3,4 @@ BUNDLE_BUILD__NOKOGIRI: "--use-system-libraries=true --with-xml2-include=/usr/lo
 BUNDLE_JOBS: "7"
 BUNDLE_PATH: "vendor/bundle"
 BUNDLE_BUILD__MYSQL2: "--with-opt-dir=/usr/local/opt/openssl"
+BUNDLE_BUILD__PUMA: "--with-cflags=-Wno-error=implicit-function-declaration"