diff --git a/Formula/datasette.rb b/Formula/datasette.rb
index 615c68e869d..3fd76ef64e6 100644
--- a/Formula/datasette.rb
+++ b/Formula/datasette.rb
@@ -17,6 +17,7 @@ class Datasette < Formula
   end
 
   depends_on "python@3.10"
+  depends_on "pyyaml"
   depends_on "six"
 
   resource "aiofiles" do
@@ -119,11 +120,6 @@ class Datasette < Formula
     sha256 "f7bb5f611fc600d15fa47b3974c8aa16e93724513b49b5f95c81e6624c83fa43"
   end
 
-  resource "PyYAML" do
-    url "https://files.pythonhosted.org/packages/36/2b/61d51a2c4f25ef062ae3f74576b01638bebad5e045f747ff12643df63844/PyYAML-6.0.tar.gz"
-    sha256 "68fb519c14306fec9720a2a5b45bc9f0c8d1b9c72adf45c37baedfcd949c35a2"
-  end
-
   resource "rfc3986" do
     url "https://files.pythonhosted.org/packages/79/30/5b1b6c28c105629cc12b33bdcbb0b11b5bb1880c6cfbd955f9e792921aa8/rfc3986-1.5.0.tar.gz"
     sha256 "270aaf10d87d0d4e095063c65bf3ddbc6ee3d0b226328ce21e036f946e421835"
diff --git a/pypi_formula_mappings.json b/pypi_formula_mappings.json
index edd1c93782e..ac4f921f078 100644
--- a/pypi_formula_mappings.json
+++ b/pypi_formula_mappings.json
@@ -123,7 +123,7 @@
     "exclude_packages": ["six"]
   },
   "datasette": {
-    "exclude_packages": ["six"]
+    "exclude_packages": ["six", "PyYAML"]
   },
   "diffoscope": "diffoscope[cmdline]",
   "dnstwist": "dnstwist[full]",