diff --git a/package.json b/package.json
index e35832f..8766580 100644
--- a/package.json
+++ b/package.json
@@ -4,6 +4,7 @@
   "private": true,
   "dependencies": {
     "aphrodite": "^2.1.0",
+    "better-sqlite3": "wchargin/better-sqlite3#wchargin-private-inmemory-db",
     "chalk": "1.1.3",
     "commonmark": "^0.28.1",
     "express": "^4.16.3",
diff --git a/yarn.lock b/yarn.lock
index bca7281..6b9de22 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1076,6 +1076,13 @@ bcrypt-pbkdf@^1.0.0:
   dependencies:
     tweetnacl "^0.14.3"
 
+better-sqlite3@wchargin/better-sqlite3#wchargin-private-inmemory-db:
+  version "4.1.4"
+  resolved "https://codeload.github.com/wchargin/better-sqlite3/tar.gz/41f429eb11d020326065ab4e3da4433425e4be5c"
+  dependencies:
+    bindings "^1.3.0"
+    integer "^1.0.5"
+
 big.js@^3.1.3:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/big.js/-/big.js-3.2.0.tgz#a5fc298b81b9e0dca2e458824784b65c52ba588e"
@@ -1084,6 +1091,10 @@ binary-extensions@^1.0.0:
   version "1.11.0"
   resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.11.0.tgz#46aa1751fb6a2f93ee5e689bb1087d4b14c6c205"
 
+bindings@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/bindings/-/bindings-1.3.0.tgz#b346f6ecf6a95f5a815c5839fc7cdb22502f1ed7"
+
 block-stream@*:
   version "0.0.9"
   resolved "https://registry.yarnpkg.com/block-stream/-/block-stream-0.0.9.tgz#13ebfe778a03205cfe03751481ebb4b3300c126a"
@@ -3641,6 +3652,12 @@ inquirer@3.3.0, inquirer@^3.0.6:
     strip-ansi "^4.0.0"
     through "^2.3.6"
 
+integer@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/integer/-/integer-1.0.5.tgz#cadbf6078290389e8e4e29226e6b0044433deec1"
+  dependencies:
+    bindings "^1.3.0"
+
 internal-ip@1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/internal-ip/-/internal-ip-1.2.0.tgz#ae9fbf93b984878785d50a8de1b356956058cf5c"