diff --git a/plugins/lookup/gcp_secret_manager.py b/plugins/lookup/gcp_secret_manager.py
index bd9ca5574..b3eeaf93a 100644
--- a/plugins/lookup/gcp_secret_manager.py
+++ b/plugins/lookup/gcp_secret_manager.py
@@ -208,7 +208,10 @@ def get_latest_version(self, module, auth):
             self.raise_error(module, f"unable to list versions of secret {response.status_code}")
         version_list = response.json()
         if "versions" in version_list:
-            return sorted(version_list['versions'], key=lambda d: d['name'])[-1]['name'].split('/')[-1]
+            versions_numbers = []
+            for version in version_list['versions']:
+                versions_numbers.append(version['name'].split('/')[-1])
+            return sorted(versions_numbers, key=int)[-1]
         else:
             self.raise_error(module, f"Unable to list secret versions via {response.request.url}: {response.json()}")
 
diff --git a/plugins/modules/gcp_secret_manager.py b/plugins/modules/gcp_secret_manager.py
index f8d562358..91b186df9 100644
--- a/plugins/modules/gcp_secret_manager.py
+++ b/plugins/modules/gcp_secret_manager.py
@@ -261,7 +261,10 @@ def fetch_resource(module, allow_not_found=True):
             return None
 
         if "versions" in version_list:
-            latest_version = sorted(version_list['versions'], key=lambda d: d['name'])[-1]['name'].split('/')[-1]
+            versions_numbers = []
+            for version in version_list['versions']:
+                versions_numbers.append(version['name'].split('/')[-1])
+            latest_version = sorted(versions_numbers, key=int)[-1]
             module.params['calc_version'] = latest_version
         else:
             # if this occurs, there are no available secret versions