diff --git a/cacert.json b/cacert.json
new file mode 100644
index 0000000000..e36a678154
--- /dev/null
+++ b/cacert.json
@@ -0,0 +1,15 @@
+{
+    "version": "2017-01-18",
+    "homepage": "https://curl.haxx.se/docs/caextract.html",
+    "license": "MPL 2.0",
+    "url": "https://curl.haxx.se/ca/cacert-2017-01-18.pem",
+    "hash": "e62a07e61e5870effa81b430e1900778943c228bd7da1259dd6a955ee2262b47",
+    "checkver": {
+        "url": "https://curl.haxx.se/docs/caextract.html",
+        "re": "cacert-([\\d-]{10}).pem"
+    },
+    "post_install": "Rename-Item @(Get-ChildItem $dir\\cacert-*.pem)[0] $dir\\cacert.pem",
+    "autoupdate": {
+        "url": "https://curl.haxx.se/ca/cacert-$version.pem"
+    }
+}