diff --git a/.travis.yml b/.travis.yml
index a0ae418..e8a0173 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,8 +2,9 @@ language: node_js
 script:
     make prepush
 node_js:
-    - "4"                    # Maintenance LTS release
-    - "lts/*"                # Active LTS release
+    - "6"                    # Maintenance LTS release
+    - "8"                    # Maintenance LTS release
+    - "10"                   # Active LTS release
     - "node"                 # Latest stable release
 after_success:
     - make report-coverage
diff --git a/lib/helpers/bunyan.js b/lib/helpers/bunyan.js
index c32e181..0dd7146 100644
--- a/lib/helpers/bunyan.js
+++ b/lib/helpers/bunyan.js
@@ -7,7 +7,7 @@ var util = require('util');
 
 var assert = require('assert-plus');
 var bunyan = require('bunyan');
-var lru = require('lru-cache');
+var LRU = require('lru-cache');
 var uuid = require('uuid');
 
 
@@ -83,7 +83,7 @@ function RequestCaptureStream(opts) {
     this.level = opts.level ? bunyan.resolveLevel(opts.level) : bunyan.WARN;
     this.limit = opts.maxRecords || 100;
     this.maxRequestIds = opts.maxRequestIds || 1000;
-    this.requestMap = lru({
+    this.requestMap = new LRU({
         max: self.maxRequestIds
     });
     this.dumpDefault = opts.dumpDefault;
diff --git a/package.json b/package.json
index 468bb99..8cd5320 100644
--- a/package.json
+++ b/package.json
@@ -65,7 +65,7 @@
     "fast-safe-stringify": "^2.0.6",
     "keep-alive-agent": "0.0.1",
     "lodash": "^4.17.11",
-    "lru-cache": "^4.0.1",
+    "lru-cache": "^5.1.1",
     "mime": "^2.4.0",
     "once": "^1.4.0",
     "qs": "^6.6.0",