diff --git a/package-lock.json b/package-lock.json
index 71024e92..6072e2c4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -115,9 +115,9 @@
       }
     },
     "node_modules/@actions/http-client": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/@actions/http-client/-/http-client-2.2.0.tgz",
-      "integrity": "sha512-q+epW0trjVUUHboliPb4UF9g2msf+w61b32tAkFEwL/IwP0DQWgbCMM0Hbe3e3WXSKz5VcUXbzJQgy8Hkra/Lg==",
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/@actions/http-client/-/http-client-2.2.1.tgz",
+      "integrity": "sha512-KhC/cZsq7f8I4LfZSJKgCvEwfkE8o1538VoBeoGzokVLLnbFDEAdFD3UhoMklxo2un9NJVBdANOresx7vTHlHw==",
       "dependencies": {
         "tunnel": "^0.0.6",
         "undici": "^5.25.4"
@@ -10409,7 +10409,7 @@
         "@actions/core": "^1.10.1",
         "@actions/exec": "^1.1.1",
         "@actions/glob": "^0.4.0",
-        "@actions/http-client": "^2.2.0",
+        "@actions/http-client": "^2.2.1",
         "@actions/io": "^1.1.3",
         "@actions/tool-cache": "^2.0.1",
         "ansi-styles": "^6.2.1",
diff --git a/package.json b/package.json
index b8dc3b80..0bbf5bee 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,6 @@
     "fmt": "npm run dprint fmt",
     "fmt-check": "run-p --aggregate-output -c 'dprint check' fmt-check:ec",
     "fmt-check:ec": "git ls-files -z | xargs -0 ec",
-    "postinstall": "patch-package",
     "licenses": "webpack -c packages/config/webpack/config.mjs",
     "link-check": "markdown-link-check README.md",
     "lint": "npm run -ws --if-present lint",
diff --git a/packages/main/package.json b/packages/main/package.json
index aef8e76a..3ec9781a 100644
--- a/packages/main/package.json
+++ b/packages/main/package.json
@@ -12,7 +12,7 @@
     "@actions/core": "^1.10.1",
     "@actions/exec": "^1.1.1",
     "@actions/glob": "^0.4.0",
-    "@actions/http-client": "^2.2.0",
+    "@actions/http-client": "^2.2.1",
     "@actions/io": "^1.1.3",
     "@actions/tool-cache": "^2.0.1",
     "ansi-styles": "^6.2.1",
diff --git a/patches/@actions+http-client+2.2.0.patch b/patches/@actions+http-client+2.2.0.patch
deleted file mode 100644
index 3c4bee19..00000000
--- a/patches/@actions+http-client+2.2.0.patch
+++ /dev/null
@@ -1,35 +0,0 @@
-diff --git a/node_modules/@actions/http-client/lib/index.js b/node_modules/@actions/http-client/lib/index.js
-index 5a3cad3..363604a 100644
---- a/node_modules/@actions/http-client/lib/index.js
-+++ b/node_modules/@actions/http-client/lib/index.js
-@@ -502,7 +502,7 @@ class HttpClient {
-         if (this._keepAlive && useProxy) {
-             agent = this._proxyAgent;
-         }
--        if (this._keepAlive && !useProxy) {
-+        if (!useProxy) {
-             agent = this._agent;
-         }
-         // if agent is already assigned use that agent.
-@@ -535,15 +535,16 @@ class HttpClient {
-             this._proxyAgent = agent;
-         }
-         // if reusing agent across request and tunneling agent isn't assigned create a new agent
--        if (this._keepAlive && !agent) {
-+        // Always use a custom agent so that `keep-alive` works correctly
-+        // on both `node16` and `node20` runtimes. See:
-+        // - https://github.com/node-fetch/node-fetch/issues/1735
-+        // - https://github.com/nodejs/node/issues/37184
-+        // - https://github.com/nodejs/node/pull/43522
-+        if (!agent) {
-             const options = { keepAlive: this._keepAlive, maxSockets };
-             agent = usingSsl ? new https.Agent(options) : new http.Agent(options);
-             this._agent = agent;
-         }
--        // if not using private agent and tunnel agent isn't setup then use global agent
--        if (!agent) {
--            agent = usingSsl ? https.globalAgent : http.globalAgent;
--        }
-         if (usingSsl && this._ignoreSslError) {
-             // we don't want to set NODE_TLS_REJECT_UNAUTHORIZED=0 since that will affect request for entire process
-             // http.RequestOptions doesn't expose a way to modify RequestOptions.agent.options