diff --git a/package.json b/package.json
index 5e6bbcbba7..6ab265cc0d 100644
--- a/package.json
+++ b/package.json
@@ -136,7 +136,7 @@
     "rewire": "2.5.2",
     "rollup-plugin-commonjs": "8.1.0",
     "rxjs": "^6.3.0",
-    "sauce-connect": "https://saucelabs.com/downloads/sc-4.5.3-linux.tar.gz",
+    "sauce-connect": "https://saucelabs.com/downloads/sc-4.5.1-linux.tar.gz",
     "semver": "5.4.1",
     "systemjs": "0.18.10",
     "tslint": "5.7.0",
diff --git a/yarn.lock b/yarn.lock
index 7c40b734ee..a0e8af1433 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8888,9 +8888,9 @@ sauce-connect-launcher@^1.2.4:
     lodash "^4.16.6"
     rimraf "^2.5.4"
 
-"sauce-connect@https://saucelabs.com/downloads/sc-4.5.3-linux.tar.gz":
+"sauce-connect@https://saucelabs.com/downloads/sc-4.5.1-linux.tar.gz":
   version "0.0.0"
-  resolved "https://saucelabs.com/downloads/sc-4.5.3-linux.tar.gz#c7ad595a2a42f837fab91de3c3f51b49f2af6b36"
+  resolved "https://saucelabs.com/downloads/sc-4.5.1-linux.tar.gz#5ca9328724c5ff16b12ea49e7a748d44f7305be5"
 
 saucelabs@^1.5.0:
   version "1.5.0"