diff --git a/action.yml b/action.yml
index 6f46385..bf8b9b1 100644
--- a/action.yml
+++ b/action.yml
@@ -10,7 +10,7 @@ inputs:
   cosign-release:
     description: 'cosign release version to be installed'
     required: false
-    default: 'v1.4.1'
+    default: 'v1.5.0'
   install-dir:
     description: 'Where to install the cosign binary'
     required: false
@@ -61,13 +61,13 @@ runs:
           esac
         }
 
-        bootstrap_version='v1.4.1'    
-        bootstrap_linux_amd64_sha='08ba779a4e6ff827079abed1a6d1f0a0d9e48aea21f520ddeb42ff912f59d268'
-        bootstrap_linux_arm_sha='d13f12dea3b65ec4bcd25fe23d35772f7b0b5997dba14947ce242e1260b3a15d'
-        bootstrap_linux_arm64_sha='b0c02b607e722b9d2b1807f6efb73042762e77391c51c8948710e7f571ceaa73'
-        bootstrap_darwin_amd64_sha='0908ffd3ceea5534c27059e30276094d63ed9339c2bf75e38e3d88d0a34502f3'
-        bootstrap_darwin_arm64_sha='f8162aba987e1afddb20a672e47fb070ec6bf1547f65f23159e0f4a61e4ea673'
-        bootstrap_windows_amd64_sha='408557d35b0158590c1978d72cf5079fc299b3f0315f3ece259c6c0f159a079b'
+        bootstrap_version='v1.5.0'    
+        bootstrap_linux_amd64_sha='5bf1aa3ff4bd129c478e16e0b83febf3cc1b91b9daed60be31e8c6614a99b021'
+        bootstrap_linux_arm_sha='a06c932b9bcc0acce550603ced321f65484785d6d8d99aca344a59ed85d51647'
+        bootstrap_linux_arm64_sha='0027169db9929f22a6751255828b62d024526dd9821f64e4d94404ba7a225586'
+        bootstrap_darwin_amd64_sha='315fdddcfb3052f1b1b3f3f756bdcc05c8d740d8ac1e2cf57db38b1ada421a3b'
+        bootstrap_darwin_arm64_sha='5552e39f36e27241db0816f65bc37a9b141f4d973c42686da706a4d161cf81e1'
+        bootstrap_windows_amd64_sha='cdd2717287bf258ff8bfa51d938981d9ffd4eeb3341575f795634c0c41b556c4'
 
         trap "popd >/dev/null" EXIT