diff --git a/vault_oidc_ssh_cert_action.py b/vault_oidc_ssh_cert_action.py
index bdc7475..ea421f5 100644
--- a/vault_oidc_ssh_cert_action.py
+++ b/vault_oidc_ssh_cert_action.py
@@ -21,8 +21,9 @@ def _issue_github_jwt(jwt_aud: str) -> str:
     headers = {"Authorization": f"Bearer {req_token}"}
 
     response = requests.get(full_url, headers=headers, timeout=10)
-    jwt_token: str = response.json()["value"]
+    response.raise_for_status()
 
+    jwt_token: str = response.json()["value"]
     return jwt_token
 
 
@@ -33,8 +34,9 @@ def _issue_vault_token(
     payload = {"jwt": jwt_token, "role": oidc_role}
 
     response = requests.post(login_url, data=payload, timeout=10)
-    vault_token: str = response.json()["auth"]["client_token"]
+    response.raise_for_status()
 
+    vault_token: str = response.json()["auth"]["client_token"]
     return vault_token
 
 
@@ -46,8 +48,9 @@ def _issue_ssh_cert(
     payload = {"public_key": pubkey}
 
     response = requests.post(issue_url, headers=headers, data=payload, timeout=10)
-    ssh_cert: str = response.json()["data"]["signed_key"]
+    response.raise_for_status()
 
+    ssh_cert: str = response.json()["data"]["signed_key"]
     return ssh_cert