diff --git a/.prettierrc.json b/.prettierrc.json
index 67d60505b..0c9f3cc21 100644
--- a/.prettierrc.json
+++ b/.prettierrc.json
@@ -1,5 +1,6 @@
 {
   "trailingComma": "es5",
   "bracketSpacing": false,
-  "arrowParens": "always"
+  "arrowParens": "always",
+  "quoteProps": "preserve"
 }
diff --git a/src/plugins/github/graphqlTypes.js b/src/plugins/github/graphqlTypes.js
index 3bc73abeb..38ecd1dc9 100644
--- a/src/plugins/github/graphqlTypes.js
+++ b/src/plugins/github/graphqlTypes.js
@@ -120,17 +120,17 @@ export type PullRequestReviewState =
   | "PENDING";
 
 export const PullRequestReviewState$Values: {|
-  +APPROVED: "APPROVED",
-  +CHANGES_REQUESTED: "CHANGES_REQUESTED",
-  +COMMENTED: "COMMENTED",
-  +DISMISSED: "DISMISSED",
-  +PENDING: "PENDING",
+  +"APPROVED": "APPROVED",
+  +"CHANGES_REQUESTED": "CHANGES_REQUESTED",
+  +"COMMENTED": "COMMENTED",
+  +"DISMISSED": "DISMISSED",
+  +"PENDING": "PENDING",
 |} = deepFreeze({
-  APPROVED: "APPROVED",
-  CHANGES_REQUESTED: "CHANGES_REQUESTED",
-  COMMENTED: "COMMENTED",
-  DISMISSED: "DISMISSED",
-  PENDING: "PENDING",
+  "APPROVED": "APPROVED",
+  "CHANGES_REQUESTED": "CHANGES_REQUESTED",
+  "COMMENTED": "COMMENTED",
+  "DISMISSED": "DISMISSED",
+  "PENDING": "PENDING",
 });
 
 export type Reaction = {|
@@ -152,23 +152,23 @@ export type ReactionContent =
   | "THUMBS_UP";
 
 export const ReactionContent$Values: {|
-  +CONFUSED: "CONFUSED",
-  +EYES: "EYES",
-  +HEART: "HEART",
-  +HOORAY: "HOORAY",
-  +LAUGH: "LAUGH",
-  +ROCKET: "ROCKET",
-  +THUMBS_DOWN: "THUMBS_DOWN",
-  +THUMBS_UP: "THUMBS_UP",
+  +"CONFUSED": "CONFUSED",
+  +"EYES": "EYES",
+  +"HEART": "HEART",
+  +"HOORAY": "HOORAY",
+  +"LAUGH": "LAUGH",
+  +"ROCKET": "ROCKET",
+  +"THUMBS_DOWN": "THUMBS_DOWN",
+  +"THUMBS_UP": "THUMBS_UP",
 |} = deepFreeze({
-  CONFUSED: "CONFUSED",
-  EYES: "EYES",
-  HEART: "HEART",
-  HOORAY: "HOORAY",
-  LAUGH: "LAUGH",
-  ROCKET: "ROCKET",
-  THUMBS_DOWN: "THUMBS_DOWN",
-  THUMBS_UP: "THUMBS_UP",
+  "CONFUSED": "CONFUSED",
+  "EYES": "EYES",
+  "HEART": "HEART",
+  "HOORAY": "HOORAY",
+  "LAUGH": "LAUGH",
+  "ROCKET": "ROCKET",
+  "THUMBS_DOWN": "THUMBS_DOWN",
+  "THUMBS_UP": "THUMBS_UP",
 });
 
 export type Ref = {|
diff --git a/yarn.lock b/yarn.lock
index 1c2fc8c3a..949f31aa6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8250,9 +8250,9 @@ prelude-ls@~1.1.2:
   integrity sha1-IZMqVJ9eUv/ZqCf1cOBL5iqX2lQ=
 
 prettier@^2.0.1:
-  version "2.0.5"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.0.5.tgz#d6d56282455243f2f92cc1716692c08aa31522d4"
-  integrity sha512-7PtVymN48hGcO4fGjybyBSIWDsLU4H4XlvOHfq91pz9kkGlonzwTfYkaIEwiRg/dAJF9YlbsduBAgtYLi+8cFg==
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.1.1.tgz#d9485dd5e499daa6cb547023b87a6cf51bee37d6"
+  integrity sha512-9bY+5ZWCfqj3ghYBLxApy2zf6m+NJo5GzmLTpr9FsApsfjriNnS2dahWReHMi7qNPhhHl9SYHJs2cHZLgexNIw==
 
 pretty-format@^24.8.0:
   version "24.9.0"