diff --git a/package.json b/package.json
index 35ea5d8e311373a9d2adf854496b8da10391e315..6f5ce658734b55c1533f01c25f7ccea3e6996c85 100644
--- a/package.json
+++ b/package.json
@@ -69,7 +69,7 @@
     "semver": "5.4.1",
     "semver-stable": "2.0.4",
     "semver-utils": "1.1.1",
-    "showdown": "1.8.0",
+    "showdown": "1.8.1",
     "tmp-promise": "1.0.3",
     "traverse": "0.6.6",
     "yarn": "1.2.1"
diff --git a/yarn.lock b/yarn.lock
index 4c67bf5e8607ee01951709ba00fcea48dde57163..f1d7dcefdb9bfa31931523ce1213ddf9eb5f2168 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4564,11 +4564,11 @@ shellwords@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/shellwords/-/shellwords-0.1.1.tgz#d6b9181c1a48d397324c84871efbcfc73fc0654b"
 
-showdown@1.8.0:
-  version "1.8.0"
-  resolved "https://registry.yarnpkg.com/showdown/-/showdown-1.8.0.tgz#8294d3cf42a51eb17b7f595d82ef95d5122412ad"
+showdown@1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/showdown/-/showdown-1.8.1.tgz#2d8afd12847c80be32bce0a0dbb0e8dc06ba9469"
   dependencies:
-    yargs "^9.0.1"
+    yargs "^10.0.3"
 
 signal-exit@^3.0.0, signal-exit@^3.0.2:
   version "3.0.2"
@@ -5275,6 +5275,29 @@ yargs-parser@^7.0.0:
   dependencies:
     camelcase "^4.1.0"
 
+yargs-parser@^8.0.0:
+  version "8.0.0"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-8.0.0.tgz#21d476330e5a82279a4b881345bf066102e219c6"
+  dependencies:
+    camelcase "^4.1.0"
+
+yargs@^10.0.3:
+  version "10.0.3"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-10.0.3.tgz#6542debd9080ad517ec5048fb454efe9e4d4aaae"
+  dependencies:
+    cliui "^3.2.0"
+    decamelize "^1.1.1"
+    find-up "^2.1.0"
+    get-caller-file "^1.0.1"
+    os-locale "^2.0.0"
+    require-directory "^2.1.1"
+    require-main-filename "^1.0.1"
+    set-blocking "^2.0.0"
+    string-width "^2.0.0"
+    which-module "^2.0.0"
+    y18n "^3.2.1"
+    yargs-parser "^8.0.0"
+
 yargs@^7.0.2:
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-7.1.0.tgz#6ba318eb16961727f5d284f8ea003e8d6154d0c8"
@@ -5311,24 +5334,6 @@ yargs@^8.0.2:
     y18n "^3.2.1"
     yargs-parser "^7.0.0"
 
-yargs@^9.0.1:
-  version "9.0.1"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-9.0.1.tgz#52acc23feecac34042078ee78c0c007f5085db4c"
-  dependencies:
-    camelcase "^4.1.0"
-    cliui "^3.2.0"
-    decamelize "^1.1.1"
-    get-caller-file "^1.0.1"
-    os-locale "^2.0.0"
-    read-pkg-up "^2.0.0"
-    require-directory "^2.1.1"
-    require-main-filename "^1.0.1"
-    set-blocking "^2.0.0"
-    string-width "^2.0.0"
-    which-module "^2.0.0"
-    y18n "^3.2.1"
-    yargs-parser "^7.0.0"
-
 yargs@~3.10.0:
   version "3.10.0"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-3.10.0.tgz#f7ee7bd857dd7c1d2d38c0e74efbd681d1431fd1"