diff --git a/Library/Homebrew/api.rb b/Library/Homebrew/api.rb
index 2af1e7d7af..3abe1310a1 100644
--- a/Library/Homebrew/api.rb
+++ b/Library/Homebrew/api.rb
@@ -20,7 +20,7 @@ module Homebrew
     HOMEBREW_CACHE_API = (HOMEBREW_CACHE/"api").freeze
 
     # Set a longer timeout just for large(r) files.
-    JSON_API_MAX_TIME = 10
+    JSON_API_MAX_TIME = 30
 
     sig { params(endpoint: String).returns(Hash) }
     def fetch(endpoint)
diff --git a/Library/Homebrew/cmd/update.sh b/Library/Homebrew/cmd/update.sh
index 513dabf95e..0eb9a28ddc 100644
--- a/Library/Homebrew/cmd/update.sh
+++ b/Library/Homebrew/cmd/update.sh
@@ -787,7 +787,7 @@ EOS
       do
         curl \
           "${CURL_DISABLE_CURLRC_ARGS[@]}" \
-          --fail --compressed --silent --max-time 10 \
+          --fail --compressed --silent --max-time 30 \
           --location --remote-time --output "${HOMEBREW_CACHE}/api/${formula_or_cask}.json" \
           --time-cond "${HOMEBREW_CACHE}/api/${formula_or_cask}.json" \
           --user-agent "${HOMEBREW_USER_AGENT_CURL}" \