diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 625986d..45f41fe 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -99,7 +99,8 @@ jobs:
             src = ./.;
             overrideSqlite3Attrs = old: {
               npm_config_sqlite = "/";  # Don't accidentally use the wrong sqlite.
-              buildInputs = old.buildInputs ++ (with pkgs; [ python3 sqlite ]);
+              nativeBuildInputs = [ pkgs.python311 ];
+              buildInputs = old.buildInputs ++ [ pkgs.sqlite ];
             };
           }
           EOF
diff --git a/ISOLATED_BUILDS.md b/ISOLATED_BUILDS.md
index 47f2dc9..b38b688 100644
--- a/ISOLATED_BUILDS.md
+++ b/ISOLATED_BUILDS.md
@@ -23,7 +23,8 @@ pkgs.callPackage ./yarn-project.nix { } {
   src = ./.;
   overrideSqlite3Attrs = old: {
     npm_config_sqlite = "/";  # Don't accidentally use the wrong sqlite.
-    buildInputs = old.buildInputs ++ (with pkgs; [ python3 sqlite ]);
+    nativeBuildInputs = [ pkgs.python311 ];
+    buildInputs = old.buildInputs ++ [ pkgs.sqlite ];
   };
 }
 ```