diff --git a/package.json b/package.json
index e7a175f..4af4357 100644
--- a/package.json
+++ b/package.json
@@ -41,19 +41,19 @@
     "bluebird": "^3.5.5",
     "classnames": "^2.2.6",
     "codecov": "^3.5.0",
-    "gatsby": "^2.13.32",
+    "gatsby": "^2.13.33",
     "gatsby-link": "^2.2.2",
     "gatsby-plugin-catch-links": "^2.1.2",
     "gatsby-plugin-feed": "^2.3.5",
     "gatsby-plugin-flow": "^1.1.2",
     "gatsby-plugin-google-gtag": "^1.1.3",
-    "gatsby-plugin-manifest": "^2.2.3",
+    "gatsby-plugin-manifest": "^2.2.4",
     "gatsby-plugin-netlify": "^2.1.3",
     "gatsby-plugin-netlify-cms": "^4.1.6",
     "gatsby-plugin-offline": "^2.2.4",
     "gatsby-plugin-react-helmet": "^3.1.2",
     "gatsby-plugin-sass": "^2.1.3",
-    "gatsby-plugin-sharp": "^2.2.8",
+    "gatsby-plugin-sharp": "^2.2.9",
     "gatsby-plugin-sitemap": "^2.2.3",
     "gatsby-remark-autolink-headers": "^2.1.3",
     "gatsby-remark-copy-linked-files": "^2.1.3",
@@ -64,8 +64,8 @@
     "gatsby-remark-relative-images": "^0.2.2",
     "gatsby-remark-responsive-iframe": "^2.2.4",
     "gatsby-remark-smartypants": "^2.1.2",
-    "gatsby-source-filesystem": "^2.1.5",
-    "gatsby-transformer-remark": "^2.6.8",
+    "gatsby-source-filesystem": "^2.1.6",
+    "gatsby-transformer-remark": "^2.6.9",
     "gatsby-transformer-sharp": "^2.2.4",
     "invariant": "^2.2.4",
     "katex": "^0.10.2",
diff --git a/yarn.lock b/yarn.lock
index b1fe06d..73f9595 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5609,6 +5609,10 @@ gatsby-cli@^2.7.17:
     ink "^2.3.0"
     ink-spinner "^3.0.1"
 
+gatsby-core-utils@^1.0.0, gatsby-core-utils@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/gatsby-core-utils/-/gatsby-core-utils-1.0.3.tgz#f7616192ac0b4d0fc04587d924533c3cece70980"
+
 gatsby-graphiql-explorer@^0.2.3:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/gatsby-graphiql-explorer/-/gatsby-graphiql-explorer-0.2.3.tgz#fdfc6c1b8b5019df57aad025badb552e3141f6e4"
@@ -5667,11 +5671,12 @@ gatsby-plugin-google-gtag@^1.1.3:
     "@babel/runtime" "^7.0.0"
     minimatch "^3.0.4"
 
-gatsby-plugin-manifest@^2.2.3:
-  version "2.2.3"
-  resolved "https://registry.yarnpkg.com/gatsby-plugin-manifest/-/gatsby-plugin-manifest-2.2.3.tgz#f701620c11132bfbff20929fa632e326cdd9b9b8"
+gatsby-plugin-manifest@^2.2.4:
+  version "2.2.4"
+  resolved "https://registry.yarnpkg.com/gatsby-plugin-manifest/-/gatsby-plugin-manifest-2.2.4.tgz#62d144c9fcdf2c476a460bcaacc26359db6e486d"
   dependencies:
     "@babel/runtime" "^7.0.0"
+    gatsby-core-utils "^1.0.0"
     semver "^5.6.0"
     sharp "^0.22.1"
 
@@ -5733,14 +5738,15 @@ gatsby-plugin-sass@^2.1.3:
     "@babel/runtime" "^7.0.0"
     sass-loader "^7.0.1"
 
-gatsby-plugin-sharp@^2.2.8:
-  version "2.2.8"
-  resolved "https://registry.yarnpkg.com/gatsby-plugin-sharp/-/gatsby-plugin-sharp-2.2.8.tgz#5e1c391331d30c1ef38d9f4ab6e44000a2886102"
+gatsby-plugin-sharp@^2.2.9:
+  version "2.2.9"
+  resolved "https://registry.yarnpkg.com/gatsby-plugin-sharp/-/gatsby-plugin-sharp-2.2.9.tgz#9a5a4778e767c31621dd4cc46271b64a7af4b8de"
   dependencies:
     "@babel/runtime" "^7.0.0"
     async "^2.1.2"
     bluebird "^3.5.0"
     fs-extra "^7.0.0"
+    gatsby-core-utils "^1.0.0"
     got "^8.3.2"
     imagemin "^6.0.0"
     imagemin-mozjpeg "^8.0.0"
@@ -5866,9 +5872,9 @@ gatsby-remark-smartypants@^2.1.2:
     retext-smartypants "^3.0.0"
     unist-util-visit "^1.3.0"
 
-gatsby-source-filesystem@^2.1.5:
-  version "2.1.5"
-  resolved "https://registry.yarnpkg.com/gatsby-source-filesystem/-/gatsby-source-filesystem-2.1.5.tgz#2d5afe0fdfe95fbc6d0ec40498dbc201c25f5a72"
+gatsby-source-filesystem@^2.1.6:
+  version "2.1.6"
+  resolved "https://registry.yarnpkg.com/gatsby-source-filesystem/-/gatsby-source-filesystem-2.1.6.tgz#ced6b7b9d02a74849ef2f5dce8d501839cd66e54"
   dependencies:
     "@babel/runtime" "^7.0.0"
     better-queue "^3.8.7"
@@ -5876,6 +5882,7 @@ gatsby-source-filesystem@^2.1.5:
     chokidar "2.1.2"
     file-type "^10.2.0"
     fs-extra "^5.0.0"
+    gatsby-core-utils "^1.0.0"
     got "^7.1.0"
     md5-file "^3.1.1"
     mime "^2.2.0"
@@ -5907,12 +5914,13 @@ gatsby-telemetry@^1.1.6:
     stack-utils "1.0.2"
     uuid "3.3.2"
 
-gatsby-transformer-remark@^2.6.8:
-  version "2.6.8"
-  resolved "https://registry.yarnpkg.com/gatsby-transformer-remark/-/gatsby-transformer-remark-2.6.8.tgz#d1841ed761051e108c70757793dd928023d0d6bd"
+gatsby-transformer-remark@^2.6.9:
+  version "2.6.9"
+  resolved "https://registry.yarnpkg.com/gatsby-transformer-remark/-/gatsby-transformer-remark-2.6.9.tgz#40c40fab689c4217c8de68880712a49867d7dea9"
   dependencies:
     "@babel/runtime" "^7.0.0"
     bluebird "^3.5.0"
+    gatsby-core-utils "^1.0.0"
     gray-matter "^4.0.0"
     hast-util-raw "^4.0.0"
     hast-util-to-html "^4.0.0"
@@ -5944,9 +5952,9 @@ gatsby-transformer-sharp@^2.2.4:
     semver "^5.6.0"
     sharp "^0.22.1"
 
-gatsby@^2.13.32:
-  version "2.13.32"
-  resolved "https://registry.yarnpkg.com/gatsby/-/gatsby-2.13.32.tgz#984974f70c9e70d99d86407a3d58c2b30b82c8d9"
+gatsby@^2.13.33:
+  version "2.13.33"
+  resolved "https://registry.yarnpkg.com/gatsby/-/gatsby-2.13.33.tgz#0fcbf319b5c941fb24e428b793e20cb2a9cdcf72"
   dependencies:
     "@babel/code-frame" "^7.0.0"
     "@babel/core" "^7.0.0"
@@ -6006,6 +6014,7 @@ gatsby@^2.13.32:
     fs-exists-cached "1.0.0"
     fs-extra "^5.0.0"
     gatsby-cli "^2.7.17"
+    gatsby-core-utils "^1.0.3"
     gatsby-graphiql-explorer "^0.2.3"
     gatsby-link "^2.2.2"
     gatsby-plugin-page-creator "^2.1.5"