diff --git a/stack-ghc7.10.yaml b/stack-ghc7.10.yaml
deleted file mode 100644
index f8e65efbf..000000000
--- a/stack-ghc7.10.yaml
+++ /dev/null
@@ -1,18 +0,0 @@
-# stack build plan using GHC 7.10.3
-# keep synced with download.md
-
-resolver: lts-6.35
-
-extra-deps:
-- brick-0.19
-- data-clist-0.1.2.0
-- text-zipper-0.10
-- vty-5.15.1
-- megaparsec-5.3.1
-
-packages:
-- hledger-lib
-- hledger
-- hledger-ui
-- hledger-web
-- hledger-api
diff --git a/stack-ghc8.0.1.yaml b/stack-ghc8.0.1.yaml
deleted file mode 100644
index 6f09034f2..000000000
--- a/stack-ghc8.0.1.yaml
+++ /dev/null
@@ -1,16 +0,0 @@
-# stack build plan using GHC 8.0.1
-# keep synced with download.md
-
-resolver: lts-7.24
-
-extra-deps:
-- brick-0.19
-- data-clist-0.1.1.0
-- vty-5.15.1
-
-packages:
-- hledger-lib
-- hledger
-- hledger-ui
-- hledger-web
-- hledger-api
diff --git a/stack8.2.1.yaml b/stack8.2.1.yaml
index 3d1260687..3634b885f 100644
--- a/stack8.2.1.yaml
+++ b/stack8.2.1.yaml
@@ -1,7 +1,7 @@
 # stack build plan using GHC 8.2.1
-# keep synced with download.md
+# keep synced with download.md ?
 
-resolver: nightly-2017-07-31
+resolver: nightly-2017-08-01
 
 extra-deps:
 - brick-0.24.1
@@ -9,12 +9,12 @@ extra-deps:
 - data-clist-0.1.2.0
 - word-wrap-0.4.1
 
-#- wai-handler-launch-3.0.2.2
-#- yesod-1.4.5
-#- yesod-form-1.4.15
-#- yesod-static-1.5.3.1
-#- email-validate-2.3.1
-#- yesod-persistent-1.4.2
+- wai-handler-launch-3.0.2.2 # TODO waiting on https://github.com/yesodweb/wai/pull/645
+- yesod-1.4.5
+- yesod-form-1.4.15
+- yesod-static-1.5.3.1
+- email-validate-2.3.1
+- yesod-persistent-1.4.2
 
 - servant-server-0.11
 - servant-swagger-1.1.3.1
@@ -27,4 +27,4 @@ packages:
 - hledger
 - hledger-ui
 #- hledger-web
-- hledger-api
+- hledger-api
\ No newline at end of file