diff --git a/.env.sample b/.env.sample
index 12f88c4..e4e0f04 100644
--- a/.env.sample
+++ b/.env.sample
@@ -258,3 +258,4 @@ WRITE_TIMEOUT=0s
 #RATE_LIMIT_EVERYTHING=false
 #RATE_LIMIT_AVERAGE=100
 #RATE_LIMIT_BURST=200
+#RATE_LIMIT_PERIOD=1s
diff --git a/file-provider.yml.tmpl b/file-provider.yml.tmpl
index ceb13ea..2d06d19 100644
--- a/file-provider.yml.tmpl
+++ b/file-provider.yml.tmpl
@@ -26,7 +26,7 @@ http:
       rateLimit:
         average: {{ or (env "RATE_LIMIT_AVERAGE") "100" }}
         burst: {{ or (env "RATE_LIMIT_BURST") "200" }}
-        period: "1s"
+        period: {{ or (env "RATE_LIMIT_PERIOD") "1s" }}
     security:
       headers:
         frameDeny: true