diff --git a/package.json b/package.json
index 90b72837..27afb5fa 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "@salesforce/plugin-command-reference": "^3.1.1",
     "@salesforce/schemas": "^1.9.0",
     "@salesforce/source-testkit": "^2.2.26",
-    "@salesforce/ts-sinon": "^1.4.19",
+    "@salesforce/ts-sinon": "^1.4.20",
     "cross-env": "^7.0.3",
     "eslint-plugin-sf-plugin": "^1.18.5",
     "oclif": "^4.13.5",
diff --git a/yarn.lock b/yarn.lock
index b3a42c49..1131633c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1734,14 +1734,14 @@
     isomorphic-git "^1.25.10"
     ts-retry-promise "^0.8.1"
 
-"@salesforce/ts-sinon@^1.4.19":
-  version "1.4.19"
-  resolved "https://registry.yarnpkg.com/@salesforce/ts-sinon/-/ts-sinon-1.4.19.tgz#64157b6c8cf4a3c637867e2ddd90c2d058c334f7"
-  integrity sha512-vopxKrI6QD0OCtPlge1eGGHFWLkoDee7KaB/dpGeRwioeNfCVJ8ikELN0hv0zq9Ys6gUYWYcdpxzTP1upslCJA==
+"@salesforce/ts-sinon@^1.4.20":
+  version "1.4.20"
+  resolved "https://registry.yarnpkg.com/@salesforce/ts-sinon/-/ts-sinon-1.4.20.tgz#8afafd812325619a2d6b323deb7ad058a30235c0"
+  integrity sha512-LNAPWmiXMsICH6j7WtLaAue+FP0qCdzK0Z297TQahlpxZdesph87PTZfw9keQx3j8H7RjTT/n56v97M4L+uuUw==
   dependencies:
     "@salesforce/ts-types" "^2.0.9"
     sinon "^5.1.1"
-    tslib "^2.6.1"
+    tslib "^2.6.3"
 
 "@salesforce/ts-types@^2.0.9":
   version "2.0.9"
@@ -7761,7 +7761,7 @@ tslib@^1.11.1:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.14.1.tgz#cf2d38bdc34a134bcaf1091c41f6619e2f672d00"
   integrity sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==
 
-tslib@^2.0.1, tslib@^2.0.3, tslib@^2.3.1, tslib@^2.6.1, tslib@^2.6.2:
+tslib@^2.0.1, tslib@^2.0.3, tslib@^2.3.1, tslib@^2.6.2, tslib@^2.6.3:
   version "2.6.3"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.6.3.tgz#0438f810ad7a9edcde7a241c3d80db693c8cbfe0"
   integrity sha512-xNvxJEOUiWPGhUuUdQgAJPKOOJfGnIyKySOc09XkKsgdUV/3E2zvwZYdejjmRgPCgcym1juLH3226yA7sEFJKQ==