diff --git a/stack-ghc7.10.yaml b/stack-ghc7.10.yaml
index de9e3f16b..04868f31d 100644
--- a/stack-ghc7.10.yaml
+++ b/stack-ghc7.10.yaml
@@ -1,5 +1,5 @@
 # Last-tested stack build plan using GHC 7.10.3.
-# Older/newer snapshots in this series will likely work also.
+# This one is not tested as often as stack.yaml.
 
 resolver: lts-6.27
 
diff --git a/stack.yaml b/stack.yaml
index 3ba8df57c..289ea1acc 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,5 +1,4 @@
 # Last-tested stack build plan using GHC 8.0.
-# Older/newer snapshots in this series will likely work also.
 
 resolver: lts-7.14
 
@@ -12,7 +11,7 @@ packages:
 
 extra-deps:
 # for hledger-ui:
-- brick-0.15
+- brick-0.15.2
 - vty-5.14
 - text-zipper-0.8.1
 # for hledger-web: