diff --git a/CHANGELOG.md b/CHANGELOG.md
index 487f652e5..2801df486 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,8 @@
 
 <!-- Your comment below this -->
 
+- Added [two-way authentication](https://en.wikipedia.org/wiki/Mutual_authentication) support for gitlab - [@skyway777]
+
 # 9.1.1
 
 - Fixes TS declarations - [@orta]
diff --git a/docs/guides/faq.html.md b/docs/guides/faq.html.md
index 6cc0e393f..3da86f825 100644
--- a/docs/guides/faq.html.md
+++ b/docs/guides/faq.html.md
@@ -46,6 +46,16 @@ DEBUG="*" yarn danger ci
 
 This will print out a _lot_ of information.
 
+## I'm using two-way authentication in my Gitlab
+
+You can use env-variables for working with certificates in Gitlab. E.g:
+
+```sh
+GITLAB_SSL_KEY=/path/to/my/key GITLAB_SSL_CERT=/path/to/mycert NODE_EXTRA_CA_CERTS=/path/to/my/ca/certs yarn danger pr https://my-gitlab/my-project/mr/453
+```
+
+Also you can set env variables in your Gitlab GUI
+
 ## Circle CI doesnt run my build consistently
 
 Yeah... We're struggling with that one. It's something we keep taking stabs at improving, so [keep an eye on the
diff --git a/package.json b/package.json
index f5938ebca..5c709aef4 100644
--- a/package.json
+++ b/package.json
@@ -138,6 +138,7 @@
     "@octokit/rest": "^16.14.1",
     "chalk": "^2.3.0",
     "commander": "^2.18.0",
+    "custom-node-gitlab-requester": "https://github.com/skyway777/custom-node-gitlab-requester",
     "debug": "^4.1.1",
     "get-stdin": "^6.0.0",
     "gitlab": "~6.0.0",
diff --git a/source/platforms/gitlab/GitLabAPI.ts b/source/platforms/gitlab/GitLabAPI.ts
index eaba34c58..4ebe7d016 100644
--- a/source/platforms/gitlab/GitLabAPI.ts
+++ b/source/platforms/gitlab/GitLabAPI.ts
@@ -12,6 +12,8 @@ import {
 } from "../../dsl/GitLabDSL"
 
 import { Gitlab } from "gitlab"
+import { KyRequester } from "custom-node-gitlab-requester"
+
 import { Env } from "../../ci_source/ci_source"
 import { debug } from "../../debug"
 
@@ -20,6 +22,7 @@ export type GitLabAPIToken = string
 export interface GitLabAPICredentials {
   host: string
   token: GitLabAPIToken
+  requester: typeof KyRequester
 }
 
 export function getGitLabAPICredentialsFromEnv(env: Env): GitLabAPICredentials {
@@ -35,6 +38,7 @@ export function getGitLabAPICredentialsFromEnv(env: Env): GitLabAPICredentials {
   return {
     host,
     token: env["DANGER_GITLAB_API_TOKEN"],
+    requester: KyRequester,
   }
 }
 
diff --git a/yarn.lock b/yarn.lock
index edf9ed3f7..d19cbba50 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2876,6 +2876,18 @@ currently-unhandled@^0.4.1:
   dependencies:
     array-find-index "^1.0.1"
 
+"custom-node-gitlab-requester@https://github.com/skyway777/custom-node-gitlab-requester":
+  version "1.0.0"
+  resolved "https://github.com/skyway777/custom-node-gitlab-requester#2f256e8a3cbf08c8f1dc0a678203e1d312f0a1ad"
+  dependencies:
+    form-data "^2.5.0"
+    fs "^0.0.1-security"
+    gitlab "^10.0.0"
+    https "^1.0.0"
+    humps "^2.0.1"
+    ky-universal "^0.2.2"
+    query-string "^6.8.1"
+
 danger-plugin-jest@^1.0.1:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/danger-plugin-jest/-/danger-plugin-jest-1.1.0.tgz#9b53e14a0483e6de5a65f8d58fbb6a8121a948d4"
@@ -3828,6 +3840,15 @@ form-data@^2.3.3:
     combined-stream "^1.0.6"
     mime-types "^2.1.12"
 
+form-data@^2.5.0:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.5.0.tgz#094ec359dc4b55e7d62e0db4acd76e89fe874d37"
+  integrity sha512-WXieX3G/8side6VIqx44ablyULoGruSde5PNTxoUyo5CeyAMX6nVWUd0rgist/EuX655cjhUhTo1Fo3tRYqbcA==
+  dependencies:
+    asynckit "^0.4.0"
+    combined-stream "^1.0.6"
+    mime-types "^2.1.12"
+
 form-data@~2.3.1:
   version "2.3.1"
   resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.3.1.tgz#6fb94fbd71885306d73d15cc497fe4cc4ecd44bf"
@@ -3916,6 +3937,11 @@ fs.realpath@^1.0.0:
   resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
   integrity sha1-FQStJSMVjKpA20onh8sBQRmU6k8=
 
+fs@^0.0.1-security:
+  version "0.0.1-security"
+  resolved "https://registry.yarnpkg.com/fs/-/fs-0.0.1-security.tgz#8a7bd37186b6dddf3813f23858b57ecaaf5e41d4"
+  integrity sha1-invTcYa23d84E/I4WLV+yq9eQdQ=
+
 fsevents@^1.2.2:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-1.2.4.tgz#f41dcb1af2582af3692da36fc55cbd8e1041c426"
@@ -4067,6 +4093,20 @@ gitconfiglocal@^1.0.0:
   dependencies:
     ini "^1.3.2"
 
+gitlab@^10.0.0:
+  version "10.0.0"
+  resolved "https://registry.yarnpkg.com/gitlab/-/gitlab-10.0.0.tgz#71dec3b79a7716263f7c63bb465b66e76da6348b"
+  integrity sha512-I8teXj+JzYokyPsoMWRbDKqesNafwRlOqrq7tuNIaeotvsVr+jb9WzEMen+Zy/dHLI6aHN/fp4N5pe3plrdJjQ==
+  dependencies:
+    form-data "^2.3.3"
+    humps "^2.0.1"
+    ky "^0.11.0"
+    ky-universal "^0.2.1"
+    li "^1.3.0"
+    query-string "^6.8.1"
+    randomstring "^1.1.5"
+    universal-url "^2.0.0"
+
 gitlab@~6.0.0:
   version "6.0.0"
   resolved "https://registry.yarnpkg.com/gitlab/-/gitlab-6.0.0.tgz#7bd44bf57dcb6b1231c70a52ea9b83934e6c1539"
@@ -4444,6 +4484,11 @@ https-proxy-agent@^2.2.0, https-proxy-agent@^2.2.1:
     agent-base "^4.1.0"
     debug "^3.1.0"
 
+https@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/https/-/https-1.0.0.tgz#3c37c7ae1a8eeb966904a2ad1e975a194b7ed3a4"
+  integrity sha1-PDfHrhqO65ZpBKKtHpdaGUt+06Q=
+
 humps@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/humps/-/humps-2.0.1.tgz#dd02ea6081bd0568dc5d073184463957ba9ef9aa"
@@ -5653,6 +5698,14 @@ ky-universal@^0.2.1:
     abort-controller "^3.0.0"
     node-fetch "^2.3.0"
 
+ky-universal@^0.2.2:
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/ky-universal/-/ky-universal-0.2.2.tgz#7a36e1a75641a98f878157463513965f799f5bfe"
+  integrity sha512-fb32o/fKy/ux2ALWa9HU2hvGtfOq7/vn2nH0FpVE+jwNzyTeORlAbj3Fiw+WLMbUlmVqZIWupnLZ2USHvqwZHw==
+  dependencies:
+    abort-controller "^3.0.0"
+    node-fetch "^2.3.0"
+
 ky@^0.11.0:
   version "0.11.0"
   resolved "https://registry.yarnpkg.com/ky/-/ky-0.11.0.tgz#032e01e10979f9f16682f6acff7daf43cafa5507"
@@ -7429,6 +7482,15 @@ query-string@^6.5.0:
     split-on-first "^1.0.0"
     strict-uri-encode "^2.0.0"
 
+query-string@^6.8.1:
+  version "6.8.1"
+  resolved "https://registry.yarnpkg.com/query-string/-/query-string-6.8.1.tgz#62c54a7ef37d01b538c8fd56f95740c81d438a26"
+  integrity sha512-g6y0Lbq10a5pPQpjlFuojfMfV1Pd2Jw9h75ypiYPPia3Gcq2rgkKiIwbkS6JxH7c5f5u/B/sB+d13PU+g1eu4Q==
+  dependencies:
+    decode-uri-component "^0.2.0"
+    split-on-first "^1.0.0"
+    strict-uri-encode "^2.0.0"
+
 quick-lru@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/quick-lru/-/quick-lru-1.1.0.tgz#4360b17c61136ad38078397ff11416e186dcfbb8"