diff --git a/schema/mise-task.json b/schema/mise-task.json
index 169a6393f7..c9b7cd0ae7 100644
--- a/schema/mise-task.json
+++ b/schema/mise-task.json
@@ -98,11 +98,21 @@
                 },
                 {
                   "description": "task with args to run before this task",
+                  "type": "array",
                   "items": {
                     "description": "task name and args",
-                    "type": "string"
-                  },
-                  "type": "array"
+                    "oneOf": [
+                      {
+                        "type": "string"
+                      },
+                      {
+                        "type": "array",
+                        "items": {
+                          "type": "string"
+                        }
+                      }
+                    ]
+                  }
                 }
               ]
             },
@@ -114,11 +124,21 @@
                 },
                 {
                   "description": "task with args to run after this task",
+                  "type": "array",
                   "items": {
                     "description": "task name and args",
-                    "type": "string"
-                  },
-                  "type": "array"
+                    "oneOf": [
+                      {
+                        "type": "string"
+                      },
+                      {
+                        "type": "array",
+                        "items": {
+                          "type": "string"
+                        }
+                      }
+                    ]
+                  }
                 }
               ]
             },
diff --git a/schema/mise.json b/schema/mise.json
index dca68a3d07..72b532fc25 100644
--- a/schema/mise.json
+++ b/schema/mise.json
@@ -1148,11 +1148,21 @@
                 },
                 {
                   "description": "task with args to run before this task",
+                  "type": "array",
                   "items": {
                     "description": "task name and args",
-                    "type": "string"
-                  },
-                  "type": "array"
+                    "oneOf": [
+                      {
+                        "type": "string"
+                      },
+                      {
+                        "type": "array",
+                        "items": {
+                          "type": "string"
+                        }
+                      }
+                    ]
+                  }
                 }
               ]
             },
@@ -1164,11 +1174,21 @@
                 },
                 {
                   "description": "task with args to run after this task",
+                  "type": "array",
                   "items": {
                     "description": "task name and args",
-                    "type": "string"
-                  },
-                  "type": "array"
+                    "oneOf": [
+                      {
+                        "type": "string"
+                      },
+                      {
+                        "type": "array",
+                        "items": {
+                          "type": "string"
+                        }
+                      }
+                    ]
+                  }
                 }
               ]
             },
diff --git a/xtasks/lint/schema b/xtasks/lint/schema
index 6cb44a3666..863fb6c308 100755
--- a/xtasks/lint/schema
+++ b/xtasks/lint/schema
@@ -2,6 +2,6 @@
 #MISE description="Lint schemas"
 set -euo pipefail
 
-ajv compile -s schema/mise.json --spec=draft2019 --strict=true
-ajv compile -s schema/mise-task.json --spec=draft2019 --strict=true
-ajv compile -s schema/mise.plugin.json --spec=draft2020 --strict=true
+ajv compile -s schema/mise.json --spec=draft2019 --strict-schema=true
+ajv compile -s schema/mise-task.json --spec=draft2019 --strict-schema=true
+ajv compile -s schema/mise.plugin.json --spec=draft2020 --strict-schema=true