diff --git a/Tasks/YamlPatch/package.json b/Tasks/YamlPatch/package.json
index 202ad63..3d0f935 100644
--- a/Tasks/YamlPatch/package.json
+++ b/Tasks/YamlPatch/package.json
@@ -6,7 +6,7 @@
     "q": "^1.5.1",
     "fs-extra": "8.0.1",
     "micromatch": "^4.0.2",
-    "fast-json-patch": "2.1.0",
+    "fast-json-patch": "3.1.1",
     "xregexp": "4.2.4",
     "azure-pipelines-task-lib": "^2.9.3",
     "js-yaml": "3.13.1",
diff --git a/Tasks/YamlPatch/yarn.lock b/Tasks/YamlPatch/yarn.lock
index 465f2fd..83a2ad2 100644
--- a/Tasks/YamlPatch/yarn.lock
+++ b/Tasks/YamlPatch/yarn.lock
@@ -52,19 +52,14 @@ core-js@^2.6.5:
   version "2.6.9"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.9.tgz#6b4b214620c834152e179323727fc19741b084f2"
 
-deep-equal@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/deep-equal/-/deep-equal-1.0.1.tgz#f5d260292b660e084eff4cdbc9f08ad3247448b5"
-
 esprima@^4.0.0:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.1.tgz#13b04cdb3e6c5d19df91ab6987a8695619b0aa71"
 
-fast-json-patch@2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/fast-json-patch/-/fast-json-patch-2.1.0.tgz#e348c330a5b2481b14f5fffd707aebfef8b7bef6"
-  dependencies:
-    deep-equal "^1.0.1"
+fast-json-patch@3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/fast-json-patch/-/fast-json-patch-3.1.1.tgz#85064ea1b1ebf97a3f7ad01e23f9337e72c66947"
+  integrity sha512-vf6IHUX2SBcA+5/+4883dsIjpBTqmfBjmYiWK1savxQmFk4JfBMLa7ynTYOs1Rolp/T1betJxHiGD3g1Mn8lUQ==
 
 fill-range@^7.0.1:
   version "7.0.1"