diff --git a/package-lock.json b/package-lock.json
index 792f5bf..c8b7cd8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -33,8 +33,7 @@
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-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/progress/-/progress-2.0.3.tgz",
-      "integrity": "sha512-7PiHtLll5LdnKIMw100I+8xJXR5gW2QwWYkT6iJva0bXitZKa/XMrSbdmg3r2Xnaidz9Qumd0VPaMrZlF9V9sA==",
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/progress/-/progress-2.0.1.tgz",
+      "integrity": "sha512-OE+a6vzqazc+K6LxJrX5UPyKFvGnL5CYmq2jFGNIBWHpc4QyE49/YOumcrpQFJpfejmvRtbJzgO1zPmMCqlbBg==",
       "dev": true
     },
     "prompts": {
@@ -5203,7 +5200,7 @@
     },
     "readable-stream": {
       "version": "2.3.6",
-      "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
       "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
       "requires": {
         "core-util-is": "~1.0.0",
@@ -5358,7 +5355,7 @@
     },
     "require-uncached": {
       "version": "1.0.3",
-      "resolved": "http://registry.npmjs.org/require-uncached/-/require-uncached-1.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/require-uncached/-/require-uncached-1.0.3.tgz",
       "integrity": "sha1-Tg1W1slmL9MeQwEcS5WqSZVUIdM=",
       "dev": true,
       "requires": {
@@ -5466,7 +5463,7 @@
     },
     "safe-regex": {
       "version": "1.1.0",
-      "resolved": "http://registry.npmjs.org/safe-regex/-/safe-regex-1.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/safe-regex/-/safe-regex-1.1.0.tgz",
       "integrity": "sha1-QKNmnzsHfR6UPURinhV91IAjvy4=",
       "requires": {
         "ret": "~0.1.10"
@@ -5503,7 +5500,7 @@
     },
     "semver": {
       "version": "4.3.2",
-      "resolved": "http://registry.npmjs.org/semver/-/semver-4.3.2.tgz",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-4.3.2.tgz",
       "integrity": "sha1-x6BxWKgL7dBSNVt3DYLWZA+AO+c="
     },
     "set-blocking": {
@@ -5572,17 +5569,6 @@
       "integrity": "sha1-xB8vbDn8FtHNF61LXYlhFK5HDVU=",
       "dev": true
     },
-    "slice-ansi": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/slice-ansi/-/slice-ansi-2.0.0.tgz",
-      "integrity": "sha512-4j2WTWjp3GsZ+AOagyzVbzp4vWGtZ0hEZ/gDY/uTvm6MTxUfTUIsnMIFb1bn8o0RuXiqUw15H1bue8f22Vw2oQ==",
-      "dev": true,
-      "requires": {
-        "ansi-styles": "^3.2.0",
-        "astral-regex": "^1.0.0",
-        "is-fullwidth-code-point": "^2.0.0"
-      }
-    },
     "snapdragon": {
       "version": "0.8.2",
       "resolved": "https://registry.npmjs.org/snapdragon/-/snapdragon-0.8.2.tgz",
@@ -5720,9 +5706,9 @@
       "integrity": "sha1-PpNdfd1zYxuXZZlW1VEo6HtQhKM="
     },
     "spdx-correct": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/spdx-correct/-/spdx-correct-3.1.0.tgz",
-      "integrity": "sha512-lr2EZCctC2BNR7j7WzJ2FpDznxky1sjfxvvYEyzxNyb6lZXHODmEoJeFu4JupYlkfha1KZpJyoqiJ7pgA1qq8Q==",
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/spdx-correct/-/spdx-correct-3.0.2.tgz",
+      "integrity": "sha512-q9hedtzyXHr5S0A1vEPoK/7l8NpfkFYTq6iCY+Pno2ZbdZR6WexZFtqeVGkGxW3TEJMN914Z55EnAGMmenlIQQ==",
       "dev": true,
       "requires": {
         "spdx-expression-parse": "^3.0.0",
@@ -5777,7 +5763,7 @@
     },
     "sprintf-js": {
       "version": "1.0.3",
-      "resolved": "http://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
       "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw="
     },
     "sshpk": {
@@ -5855,7 +5841,7 @@
     },
     "string_decoder": {
       "version": "1.1.1",
-      "resolved": "http://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
       "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
       "requires": {
         "safe-buffer": "~5.1.0"
@@ -5881,7 +5867,7 @@
     },
     "strip-eof": {
       "version": "1.0.0",
-      "resolved": "http://registry.npmjs.org/strip-eof/-/strip-eof-1.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/strip-eof/-/strip-eof-1.0.0.tgz",
       "integrity": "sha1-u0P/VZim6wXYm1n80SnJgzE2Br8=",
       "dev": true
     },
@@ -5906,15 +5892,26 @@
       "dev": true
     },
     "table": {
-      "version": "5.1.1",
-      "resolved": "https://registry.npmjs.org/table/-/table-5.1.1.tgz",
-      "integrity": "sha512-NUjapYb/qd4PeFW03HnAuOJ7OMcBkJlqeClWxeNlQ0lXGSb52oZXGzkO0/I0ARegQ2eUT1g2VDJH0eUxDRcHmw==",
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/table/-/table-5.1.0.tgz",
+      "integrity": "sha512-e542in22ZLhD/fOIuXs/8yDZ9W61ltF8daM88rkRNtgTIct+vI2fTnAyu/Db2TCfEcI8i7mjZz6meLq0nW7TYg==",
       "dev": true,
       "requires": {
-        "ajv": "^6.6.1",
-        "lodash": "^4.17.11",
-        "slice-ansi": "2.0.0",
+        "ajv": "^6.5.3",
+        "lodash": "^4.17.10",
+        "slice-ansi": "1.0.0",
         "string-width": "^2.1.1"
+      },
+      "dependencies": {
+        "slice-ansi": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/slice-ansi/-/slice-ansi-1.0.0.tgz",
+          "integrity": "sha512-POqxBK6Lb3q6s047D/XsDVNPnF9Dl8JSaqe9h9lURl0OdNqy/ujDrOiIHtsqXMGbWWTIomRzAMaTyawAU//Reg==",
+          "dev": true,
+          "requires": {
+            "is-fullwidth-code-point": "^2.0.0"
+          }
+        }
       }
     },
     "tarn": {
@@ -6045,7 +6042,7 @@
     },
     "through": {
       "version": "2.3.8",
-      "resolved": "http://registry.npmjs.org/through/-/through-2.3.8.tgz",
+      "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
       "integrity": "sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU="
     },
     "through2": {
@@ -6437,7 +6434,7 @@
     },
     "wrap-ansi": {
       "version": "2.1.0",
-      "resolved": "http://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
       "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
       "dev": true,
       "requires": {
@@ -6473,7 +6470,7 @@
         },
         "strip-ansi": {
           "version": "3.0.1",
-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
@@ -6534,14 +6531,14 @@
       "dev": true
     },
     "yallist": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
-      "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.0.3.tgz",
+      "integrity": "sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A==",
       "dev": true
     },
     "yargs": {
       "version": "11.1.0",
-      "resolved": "http://registry.npmjs.org/yargs/-/yargs-11.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-11.1.0.tgz",
       "integrity": "sha512-NwW69J42EsCSanF8kyn5upxvjp5ds+t3+udGBeTbFnERA+lF541DDpMawzo4z6W/QrzNM18D+BPMiOBibnFV5A==",
       "dev": true,
       "requires": {
diff --git a/redis/index.js b/redis/index.js
index c5f84a8..55afde2 100644
--- a/redis/index.js
+++ b/redis/index.js
@@ -40,6 +40,25 @@ function shouldProcess(key) {
   return isPublished(key) || isUri(key) || isUser(key);
 }
 
+/**
+ * Formats a value to string if its an object
+ *
+ * @param {*} key
+ * @param {*} value
+ * @returns {*}
+ */
+function formatValue(key, value) {
+  // Since Redis only stores String values, we should
+  // encode any object into string.
+  if (value && typeof value === 'object') {
+    log('warn', `Re-encoding the object, needs to be stringified ${key}: ${value}`);
+
+    return JSON.stringify(value);
+  }
+
+  return value;
+}
+
 /**
  * Write a single value to a hash
  *
@@ -50,7 +69,7 @@ function shouldProcess(key) {
 function put(key, value) {
   if (!shouldProcess(key)) return bluebird.resolve();
 
-  return module.exports.client.hsetAsync(REDIS_HASH, key, value);
+  return module.exports.client.hsetAsync(REDIS_HASH, key, formatValue(key, value));
 }
 
 /**
@@ -116,3 +135,5 @@ module.exports.del = del;
 
 // For testing
 module.exports.stubClient = mock => module.exports.client = mock;
+module.exports.formatValue = formatValue;
+module.exports.setLog = mock => log = mock;
diff --git a/redis/index.test.js b/redis/index.test.js
index 78cd055..79528b4 100644
--- a/redis/index.test.js
+++ b/redis/index.test.js
@@ -1,7 +1,8 @@
 'use strict';
 
-var { createClient, get, put, batch, del, stubClient } = require('./index'),
+var { createClient, get, put, batch, del, stubClient, formatValue, setLog } = require('./index'),
   redis = require('ioredis'),
+  FAKE_KEY = 'FAKE_KEY',
   FAKE_DATA = { foo: true, bar: true },
   FAKE_OPS = [
     {
@@ -142,4 +143,29 @@ describe('redis', () => {
         });
     });
   });
+
+  describe('formatValue', () => {
+    test('stringifies if you pass an object', () => {
+      expect(formatValue(FAKE_KEY, FAKE_DATA)).toBe(JSON.stringify(FAKE_DATA));
+      expect(formatValue(FAKE_KEY, [])).toBe(JSON.stringify([]));
+    });
+
+    test('logs a warning if the value is stringified', () => {
+      const mockLog = jest.fn();
+
+      setLog(mockLog);
+      formatValue(FAKE_KEY, FAKE_DATA);
+
+      expect(mockLog.mock.calls.length).toBe(1);
+      expect(mockLog.mock.calls[0][0]).toBe('warn');
+    });
+
+    test('does not stringify if you pass a non-object value', () => {
+      expect(formatValue(FAKE_KEY, 2)).toBe(2);
+      expect(formatValue(FAKE_KEY, 'test')).toBe('test');
+      expect(formatValue(FAKE_KEY, true)).toBe(true);
+      expect(formatValue(FAKE_KEY, undefined)).toBe(undefined);
+      expect(formatValue(FAKE_KEY, null)).toBe(null);
+    });
+  });
 });