diff --git a/docker/conf/prometheus-statsd-mapping.yml b/docker/conf/prometheus-statsd-mapping.yml
index 3b4ce5c..4e9c137 100644
--- a/docker/conf/prometheus-statsd-mapping.yml
+++ b/docker/conf/prometheus-statsd-mapping.yml
@@ -1,35 +1,35 @@
 defaults:
   timer_type: histogram
   buckets:
     - .005
     - .01
     - .025
     - .05
     - .1
     - .25
     - .5
     - .75
     - 1
     - 2
     - 5
     - 10
     - 15
     - 30
     - 45
     - 60
     - 120
     - 300
     - 600
     - 900
     - 1800
     - 2700
     - 3600
     - 7200
 
 mappings:
  - match: "(.*_percent)"
    name: "${1}"
    match_type: regex
    observer_type: histogram
    histogram_options:
-     buckets: [0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.]
+     buckets: [0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0]