diff --git a/.github/workflows/test-action.yml b/.github/workflows/test-action.yml
index b95b77d..3b9aed7 100644
--- a/.github/workflows/test-action.yml
+++ b/.github/workflows/test-action.yml
@@ -65,7 +65,7 @@ jobs:
       - name: Install Cosign
         uses: ./
         with:
-          cosign-release: 'v2.1.1'
+          cosign-release: 'v2.2.0'
       - name: Check install!
         run: cosign version
       - name: Check root directory
diff --git a/README.md b/README.md
index f84793e..3ee0b35 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ jobs:
       - name: Install Cosign
         uses: sigstore/cosign-installer@v3.1.1
         with:
-          cosign-release: 'v2.1.1'
+          cosign-release: 'v2.2.1'
       - name: Check install!
         run: cosign version
 ```
@@ -70,7 +70,7 @@ jobs:
       - name: Install go
         uses: actions/setup-go@v4
         with:
-          go-version: '1.20'
+          go-version: '1.21'
           check-latest: true
       - name: Install Cosign
         uses: sigstore/cosign-installer@v3.1.1
diff --git a/action.yml b/action.yml
index 5f23485..96b4afb 100644
--- a/action.yml
+++ b/action.yml
@@ -10,7 +10,7 @@ inputs:
   cosign-release:
     description: 'cosign release version to be installed'
     required: false
-    default: 'v2.2.0'
+    default: 'v2.2.1'
   install-dir:
     description: 'Where to install the cosign binary'
     required: false
@@ -65,13 +65,13 @@ runs:
           esac
         }
 
-        bootstrap_version='v2.2.0'
-        bootstrap_linux_amd64_sha='5e4791fb7a5efaaa98da651534789ec985ce8ac9c31910a810fc249f86ba2ef9'
-        bootstrap_linux_arm_sha='9be68975086667e124fea658c5e931629b36a9336f4fe85cb9e662e6b8b42c6f'
-        bootstrap_linux_arm64_sha='5adbb7b1d38ac19a15c6bd9a61725baa16f61e23611534eb5e6d377dc024e102'
-        bootstrap_darwin_amd64_sha='a2eea673456929a3f3809b492691183d9af0ea4216ac07410290bff76494cba4'
-        bootstrap_darwin_arm64_sha='b4d323090efb98eded011ef17fe8228194eed8912f8e205361aaec8e6e6d044a'
-        bootstrap_windows_amd64_sha='d154ecec14fa33dc488a41f7cfd2063c99de40837f60f0af850d4f11355be6f0'
+        bootstrap_version='v2.2.1'
+        bootstrap_linux_amd64_sha='f6c24066e7f75221c4b7f309b8322d7d42a1d96470e0440e6e357fe43661d81f'
+        bootstrap_linux_arm_sha='8ceaffbde4970338b51b77a4a6321348e47c7d27bd19f7f502768f8208f5b8e2'
+        bootstrap_linux_arm64_sha='8c04e9877fb6e3a96a3916d4dfa855a493c418ace5d5ec4dba6a249490f888d1'
+        bootstrap_darwin_amd64_sha='f1a948cded75e0858e739d90604e2a7e4d2f3fda15bfef12c0c03726567443bc'
+        bootstrap_darwin_arm64_sha='a9ca33020c41ad245ec595c7097c9280e29e5afdd95ab19359a65d6e1a756777'
+        bootstrap_windows_amd64_sha='88eea88aff14bc42cc00b9212b4cee7a20779836731bf83768cc1d9006cf386d'
         cosign_executable_name=cosign
 
         trap "popd >/dev/null" EXIT