diff --git a/README.md b/README.md
index 7a4fbfb..2a9683a 100644
--- a/README.md
+++ b/README.md
@@ -14,5 +14,5 @@ generated by the `stackage-server-cron` executable in this repository.
 
 You can run this site with `yesod devel`, e.g.:
 
-    stack --install-ghc build yesod-bin
-    stack exec -- yesod devel
+    stack --install-ghc install yesod-bin
+    yesod devel
diff --git a/stack.yaml b/stack.yaml
index b44b300..933f7f3 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -12,3 +12,4 @@ extra-deps:
     - hoogle-5.0.6
     - haskell-src-exts-1.19.0
     - persistent-sqlite-2.2.1.1
+    - yesod-bin-1.5.2.2