diff --git a/lib/scm-data-generators/git.js b/lib/scm-data-generators/git.js
index 2a6e173..07d73f0 100644
--- a/lib/scm-data-generators/git.js
+++ b/lib/scm-data-generators/git.js
@@ -1,7 +1,7 @@
 var CoreObject  = require('core-object');
 var RSVP        = require('rsvp');
 var gitRepoInfo = require('git-repo-info');
-var simpleGit   = require('simple-git');
+var simpleGit   = require('simple-git').simpleGit;
 
 module.exports = CoreObject.extend({
   init: function(path) {
diff --git a/package.json b/package.json
index 7b546bf..86dec04 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "git-repo-info": "^2.1.1",
     "minimatch": "^3.1.2",
     "rsvp": "^4.8.5",
-    "simple-git": "^3.19.0"
+    "simple-git": "^4.0.2"
   },
   "devDependencies": {
     "@octokit/rest": "^18.12.0",
diff --git a/yarn.lock b/yarn.lock
index 24aa8f4..053ec2e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -753,6 +753,18 @@
   resolved "https://registry.yarnpkg.com/@pkgjs/parseargs/-/parseargs-0.11.0.tgz#a77ea742fab25775145434eb1d2328cf5013ac33"
   integrity sha512-+1VkjdD0QBLPodGrJUeqarH8VAIvQODIbwh9XpP5Syisf7YoQgsJKPNFoqqLQlu+VQ/tVSshMR6loPMn8U+dPg==
 
+"@simple-git/args-pathspec@1.0.4", "@simple-git/args-pathspec@^1.0.4":
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/@simple-git/args-pathspec/-/args-pathspec-1.0.4.tgz#808f3b9eb40c34e8fe215c10a470812090043536"
+  integrity sha512-EtMX6XjRWSastG2SdkmSQByPtJ9dx/NIjnHbpQPCYt62j4RmSx5rgLTGpw0YCjF5h191gZOmBfheOT23cRSFdw==
+
+"@simple-git/argv-parser@2.0.1":
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/@simple-git/argv-parser/-/argv-parser-2.0.1.tgz#37c5168866b2635179630e372516aebd2690010d"
+  integrity sha512-M++IaVWrN+vYalilOHfwvT2IL3wYZtVEBQpmX6DLSOJLtxbZ+SUeIDE3IiPogzhPACLajwtxfa5rp+ZX1FczzQ==
+  dependencies:
+    "@simple-git/args-pathspec" "^1.0.4"
+
 "@sindresorhus/is@^0.14.0":
   version "0.14.0"
   resolved "https://registry.yarnpkg.com/@sindresorhus/is/-/is-0.14.0.tgz#9fb3a3cf3132328151f353de4632e01e52102bea"
@@ -2569,7 +2581,7 @@ debug@2.6.9, debug@^2.1.0, debug@^2.1.1, debug@^2.1.3, debug@^2.2.0, debug@^2.3.
   dependencies:
     ms "2.0.0"
 
-debug@4, debug@^4.0.0, debug@^4.1.0, debug@^4.1.1, debug@^4.3.2, debug@^4.3.4:
+debug@4, debug@^4.0.0, debug@^4.1.0, debug@^4.1.1, debug@^4.3.2:
   version "4.3.4"
   resolved "https://registry.yarnpkg.com/debug/-/debug-4.3.4.tgz#1319f6579357f2338d3337d2cdd4914bb5dcc865"
   integrity sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==
@@ -2590,6 +2602,13 @@ debug@^3.0.1, debug@^3.1.0, debug@^3.1.1:
   dependencies:
     ms "^2.1.1"
 
+debug@^4.4.0:
+  version "4.4.3"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-4.4.3.tgz#c6ae432d9bd9662582fce08709b038c58e9e3d6a"
+  integrity sha512-RGwwWnwQvkVfavKVt22FGLw+xYSdzARwm0ru6DhTVA3umU5hZc28V3kO4stgYryrTlLpuvgI9GiijltAjNbcqA==
+  dependencies:
+    ms "^2.1.3"
+
 debug@~3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
@@ -5756,7 +5775,7 @@ ms@2.1.2:
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
   integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
 
-ms@2.1.3, ms@^2.0.0, ms@^2.1.1:
+ms@2.1.3, ms@^2.0.0, ms@^2.1.1, ms@^2.1.3:
   version "2.1.3"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.3.tgz#574c8138ce1d2b5861f0b44579dbadd60c6615b2"
   integrity sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==
@@ -7095,14 +7114,16 @@ silent-error@^1.1.1:
   dependencies:
     debug "^2.2.0"
 
-simple-git@^3.19.0:
-  version "3.19.0"
-  resolved "https://registry.yarnpkg.com/simple-git/-/simple-git-3.19.0.tgz#fe8d0cd86a0e68372b75c0c44a0cb887201c3f7d"
-  integrity sha512-hyH2p9Ptxjf/xPuL7HfXbpYt9gKhC1yWDh3KYIAYJJePAKV7AEjLN4xhp7lozOdNiaJ9jlVvAbBymVlcS2jRiA==
+simple-git@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/simple-git/-/simple-git-4.0.2.tgz#3697e35c050699ce88d4203a101e7db8da21acb7"
+  integrity sha512-l0sIsv9VrPwovKELFDBOj/lhmIcbMvxBk2B+hRhsMM4/VL3gKtuZvYnBNixVo+N/0HnqQx2cBdLvxnAbygHpqA==
   dependencies:
     "@kwsites/file-exists" "^1.1.1"
     "@kwsites/promise-deferred" "^1.1.1"
-    debug "^4.3.4"
+    "@simple-git/args-pathspec" "1.0.4"
+    "@simple-git/argv-parser" "2.0.1"
+    debug "^4.4.0"
 
 slash@^3.0.0:
   version "3.0.0"
@@ -7410,7 +7431,7 @@ string_decoder@^1.1.1:
   dependencies:
     safe-buffer "~5.2.0"
 
-"strip-ansi-cjs@npm:strip-ansi@^6.0.1", strip-ansi@^6.0.1:
+"strip-ansi-cjs@npm:strip-ansi@^6.0.1":
   version "6.0.1"
   resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-6.0.1.tgz#9e26c63d30f53443e9489495b2105d37b67a85d9"
   integrity sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==
@@ -7444,6 +7465,13 @@ strip-ansi@^6.0.0:
   dependencies:
     ansi-regex "^5.0.0"
 
+strip-ansi@^6.0.1:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-6.0.1.tgz#9e26c63d30f53443e9489495b2105d37b67a85d9"
+  integrity sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==
+  dependencies:
+    ansi-regex "^5.0.1"
+
 strip-ansi@^7.0.1:
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-7.1.0.tgz#d5b6568ca689d8561370b0707685d22434faff45"
@@ -8179,7 +8207,7 @@ workerpool@^6.1.4:
   resolved "https://registry.yarnpkg.com/workerpool/-/workerpool-6.4.0.tgz#f8d5cfb45fde32fa3b7af72ad617c3369567a462"
   integrity sha512-i3KR1mQMNwY2wx20ozq2EjISGtQWDIfV56We+yGJ5yDs8jTwQiLLaqHlkBHITlCuJnYlVRmXegxFxZg7gqI++A==
 
-"wrap-ansi-cjs@npm:wrap-ansi@^7.0.0", wrap-ansi@^7.0.0:
+"wrap-ansi-cjs@npm:wrap-ansi@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-7.0.0.tgz#67e145cff510a6a6984bdf1152911d69d2eb9e43"
   integrity sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==
@@ -8197,6 +8225,15 @@ wrap-ansi@^5.1.0:
     string-width "^3.0.0"
     strip-ansi "^5.0.0"
 
+wrap-ansi@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-7.0.0.tgz#67e145cff510a6a6984bdf1152911d69d2eb9e43"
+  integrity sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==
+  dependencies:
+    ansi-styles "^4.0.0"
+    string-width "^4.1.0"
+    strip-ansi "^6.0.0"
+
 wrap-ansi@^8.1.0:
   version "8.1.0"
   resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-8.1.0.tgz#56dc22368ee570face1b49819975d9b9a5ead214"