Preheat your oven to 350°F (175°C).
In a large mixing bowl, whisk together the pumpkin puree, maple syrup, vegetable oil, and vanilla extract until well combined.
In a separate bowl, sift together the whole wheat flour, baking soda, ground cinnamon, and salt.
Gradually fold the dry mixture into the wet mixture. Be careful not to overmix; combine just until you see no visible flour.
Use a cookie scoop or spoon to drop rounded tablespoons of dough onto a parchment-lined baking sheet, allowing space between each cookie.
Place the baking sheet in the preheated oven and bake for 10-12 minutes until the edges are slightly firm and the tops are set.
Remove from the oven and let the cookies cool on the sheet for about 5 minutes before transferring them to a wire rack to cool completely.