diff --git a/docs/index.html b/docs/index.html
index fca6264..6ca12a4 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -115,8 +115,8 @@ <h3>Parameters:</h3>
     <li><span class="parameter">tags</span> extra tags to include on all reported errors</li>
     <li><span class="parameter">logger</span></li>
     <li><span class="parameter">verify_ssl</span> boolean of whether to perform SSL certificate verification</li>
-    <li><span class="parameter">cacert</span> path to CA certificate bundle file (defaults to ./data/cacert.pem).
-        Useful only when using luasec, ngx version uses the <tt>lua_ssl_trusted_certificate</tt> directive for this.</li>
+    <li><span class="parameter">cafile</span> path to CA certificate bundle file.
+        Required only when using luasec, ngx version uses the <tt>lua_ssl_trusted_certificate</tt> directive for this.</li>
     </ul>
              For example:
              <pre>{ tags = { foo = "bar", abc = "def" }, logger = "myLogger", verify_ssl = false }</pre>
@@ -290,7 +290,7 @@ <h3>Usage:</h3>
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2017-05-10 15:09:54 </i>
+<i style="float:right;">Last updated 2017-05-16 12:19:18 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/raven.lua b/raven.lua
index 643012d..6fe5024 100644
--- a/raven.lua
+++ b/raven.lua
@@ -227,7 +227,7 @@ _M._parse_dsn = _parse_dsn
 --    <li><span class="parameter">tags</span> extra tags to include on all reported errors</li>
 --    <li><span class="parameter">logger</span></li>
 --    <li><span class="parameter">verify_ssl</span> boolean of whether to perform SSL certificate verification</li>
---    <li><span class="parameter">cacert</span> path to CA certificate bundle file.
+--    <li><span class="parameter">cafile</span> path to CA certificate bundle file.
 --        Required only when using luasec, ngx version uses the <tt>lua_ssl_trusted_certificate</tt> directive for this.</li>
 --    </ul>
 --             For example:
@@ -268,7 +268,7 @@ function _M.new(self, dsn, conf)
       end
 
 
-      obj.cacert = conf.cacert
+      obj.cafile = conf.cafile
    end
 
    return setmetatable(obj, mt)
@@ -557,7 +557,7 @@ function _M.lua_wrap_tls(self, sock)
       mode = "client",
       protocol = "tlsv1_2",
       verify = self.verify_ssl and "peer" or "none",
-      cafile = self.verify_ssl and self.cacert or nil,
+      cafile = self.verify_ssl and self.cafile or nil,
       options = "all",
    })
    if not sock then
diff --git a/tests/test_https.lua b/tests/test_https.lua
index 5106322..861d6e9 100644
--- a/tests/test_https.lua
+++ b/tests/test_https.lua
@@ -104,7 +104,7 @@ function test_validate_cert_ok()
    else
       rvn = raven:new(get_dsn(), {
          tags = { foo = "bar" },
-         cacert = "./tests/certs/ca.cert.pem",
+         cafile = "./tests/certs/ca.cert.pem",
       })
       local id = rvn:captureMessage("Sentry is a realtime event logging and aggregation platform.")
       assert_not_nil(id)
@@ -124,7 +124,7 @@ function test_validate_cert_failure()
       -- load the certificate for another CA, it must fail
       rvn = raven:new(get_dsn(), {
          tags = { foo = "bar" },
-         cacert = "./tests/certs/wrongca.cert.pem",
+         cafile = "./tests/certs/wrongca.cert.pem",
       })
       local ok, err = rvn:captureMessage("Sentry is a realtime event logging and aggregation platform.")
       assert_nil(ok)