diff --git a/package.json b/package.json
index e888cb43..29fd6a62 100644
--- a/package.json
+++ b/package.json
@@ -40,6 +40,7 @@
     "gatsby-plugin-sharp": "^1.6.2",
     "gatsby-plugin-twitter": "^1.0.10",
     "gatsby-remark-autolink-headers": "^1.4.4",
+    "gatsby-remark-code-repls": "^1.0.1",
     "gatsby-remark-copy-linked-files": "^1.5.2",
     "gatsby-remark-images": "^1.5.11",
     "gatsby-remark-prismjs": "^1.2.1",
diff --git a/yarn.lock b/yarn.lock
index e13f17a1..dfc4b993 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4052,6 +4052,15 @@ gatsby-remark-autolink-headers@^1.4.4:
     mdast-util-to-string "^1.0.2"
     unist-util-visit "^1.1.1"
 
+gatsby-remark-code-repls@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/gatsby-remark-code-repls/-/gatsby-remark-code-repls-1.0.1.tgz#0d23518b55670b0ff0cee855d3cd535e4457097c"
+  dependencies:
+    babel-runtime "^6.26.0"
+    lz-string "^1.4.4"
+    recursive-readdir-synchronous "^0.0.3"
+    unist-util-map "^1.0.3"
+
 gatsby-remark-copy-linked-files@^1.5.2:
   version "1.5.18"
   resolved "https://registry.yarnpkg.com/gatsby-remark-copy-linked-files/-/gatsby-remark-copy-linked-files-1.5.18.tgz#ff7932922fd1b1696695bb174f8ecc743097d9a0"
@@ -6174,6 +6183,10 @@ lpad-align@^1.0.1:
     longest "^1.0.0"
     meow "^3.3.0"
 
+lru-cache@2:
+  version "2.7.3"
+  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-2.7.3.tgz#6d4524e8b955f95d4f5b58851ce21dd72fb4e952"
+
 lru-cache@^4.0.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-4.1.1.tgz#622e32e82488b49279114a4f9ecf45e7cd6bba55"
@@ -6485,6 +6498,13 @@ minimalistic-crypto-utils@^1.0.0, minimalistic-crypto-utils@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/minimalistic-crypto-utils/-/minimalistic-crypto-utils-1.0.1.tgz#f6c00c1c0b082246e5c4d99dfb8c7c083b2b582a"
 
+minimatch@0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-0.3.0.tgz#275d8edaac4f1bb3326472089e7949c8394699dd"
+  dependencies:
+    lru-cache "2"
+    sigmund "~1.0.0"
+
 "minimatch@2 || 3", minimatch@^3.0.0, minimatch@^3.0.2, minimatch@^3.0.3, minimatch@^3.0.4:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
@@ -8257,6 +8277,12 @@ rechoir@^0.6.2:
   dependencies:
     resolve "^1.1.6"
 
+recursive-readdir-synchronous@^0.0.3:
+  version "0.0.3"
+  resolved "https://registry.yarnpkg.com/recursive-readdir-synchronous/-/recursive-readdir-synchronous-0.0.3.tgz#d5e5a096ad56cf9666241c22a30b4f338bb7ed88"
+  dependencies:
+    minimatch "0.3.0"
+
 recursive-readdir@2.2.1, recursive-readdir@^2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/recursive-readdir/-/recursive-readdir-2.2.1.tgz#90ef231d0778c5ce093c9a48d74e5c5422d13a99"
@@ -9096,6 +9122,10 @@ sift@^3.2.6:
   version "3.3.12"
   resolved "https://registry.yarnpkg.com/sift/-/sift-3.3.12.tgz#4f5cdf16af3db32afa04ab25297b0e20ad98294a"
 
+sigmund@~1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/sigmund/-/sigmund-1.0.1.tgz#3ff21f198cad2175f9f3b781853fd94d0d19b590"
+
 signal-exit@^3.0.0, signal-exit@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"