diff --git a/package.json b/package.json
index 39f8cf22..f8b574ed 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "@salesforce/dev-scripts": "^2.0.3",
     "@salesforce/plugin-command-reference": "^1.6.18",
     "@salesforce/prettier-config": "^0.0.3",
-    "@salesforce/ts-sinon": "^1.4.7",
+    "@salesforce/ts-sinon": "^1.4.15",
     "@types/fs-extra": "^9.0.13",
     "@types/node-fetch": "^3.0.3",
     "@types/nodegit": "^0.28.3",
diff --git a/yarn.lock b/yarn.lock
index 3f0700ae..3b097ffc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1298,14 +1298,14 @@
     yeoman-environment "^3.9.1"
     yeoman-generator "^5.6.1"
 
-"@salesforce/ts-sinon@^1.4.7":
-  version "1.4.7"
-  resolved "https://registry.yarnpkg.com/@salesforce/ts-sinon/-/ts-sinon-1.4.7.tgz#f09a4a199b12b0812bcdf2bf58dd554e85548c8b"
-  integrity sha512-8GlR2Dq6U864brWOrsQ2sqXoDZCETR6ton72dzyH8kDbq9SvFrxnkEbtGzin1w5vFRBu1GmUlBWLFYOkGqAsRQ==
+"@salesforce/ts-sinon@^1.4.15":
+  version "1.4.15"
+  resolved "https://registry.yarnpkg.com/@salesforce/ts-sinon/-/ts-sinon-1.4.15.tgz#6214b73fc53fe0ee2583bbd87d4b4217e557279d"
+  integrity sha512-mw//jI+QkkS+PEwqMtazlhdi3eYY49InnJ/EipmrsdsdV9b+W79D5N4C92LROYe9VNq+3q5VHJcT/jhARxZsTg==
   dependencies:
-    "@salesforce/ts-types" "^1.7.3"
+    "@salesforce/ts-types" "^2.0.7"
     sinon "^5.1.1"
-    tslib "^2.5.2"
+    tslib "^2.6.1"
 
 "@salesforce/ts-types@^1.5.20", "@salesforce/ts-types@^1.7.1", "@salesforce/ts-types@^1.7.2", "@salesforce/ts-types@^1.7.3":
   version "1.7.3"
@@ -1314,6 +1314,13 @@
   dependencies:
     tslib "^2.5.0"
 
+"@salesforce/ts-types@^2.0.7":
+  version "2.0.7"
+  resolved "https://registry.yarnpkg.com/@salesforce/ts-types/-/ts-types-2.0.7.tgz#02a6999d0b0e7bcd6c6d8ce621c79fa61af24701"
+  integrity sha512-8csXgstPuy6QXL3JavkIi/f8DOWHBNCvWeszrFu5sbVlcKO3YqOOCE+rDFGPkrZsYv5OywV6H8kEi877bWOz6Q==
+  dependencies:
+    tslib "^2.6.2"
+
 "@sindresorhus/is@^4.0.0":
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/@sindresorhus/is/-/is-4.6.0.tgz#3c7c9c46e678feefe7a2e5bb609d3dbd665ffb3f"
@@ -8428,10 +8435,10 @@ tslib@^1, tslib@^1.8.1, tslib@^1.9.0, tslib@^1.9.3:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.14.1.tgz#cf2d38bdc34a134bcaf1091c41f6619e2f672d00"
   integrity sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==
 
-tslib@^2, tslib@^2.0.0, tslib@^2.0.1, tslib@^2.0.3, tslib@^2.1.0, tslib@^2.3.1, tslib@^2.4.1, tslib@^2.5.0, tslib@^2.5.2:
-  version "2.5.2"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.5.2.tgz#1b6f07185c881557b0ffa84b111a0106989e8338"
-  integrity sha512-5svOrSA2w3iGFDs1HibEVBGbDrAY82bFQ3HZ3ixB+88nsbsWQoKqDRb5UBYAUPEzbBn6dAp5gRNXglySbx1MlA==
+tslib@^2, tslib@^2.0.0, tslib@^2.0.1, tslib@^2.0.3, tslib@^2.1.0, tslib@^2.3.1, tslib@^2.4.1, tslib@^2.5.0, tslib@^2.6.1, tslib@^2.6.2:
+  version "2.6.2"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.6.2.tgz#703ac29425e7b37cd6fd456e92404d46d1f3e4ae"
+  integrity sha512-AEYxH93jGFPn/a2iVAwW87VuUIkR1FVUKB77NwMF7nBTDkDrrT/Hpt/IrCJ0QXhW27jTBDcf5ZY7w6RiqTMw2Q==
 
 tsutils@^3.21.0:
   version "3.21.0"