diff --git a/stack-ghc8.8.yaml b/stack.yaml
similarity index 90%
rename from stack-ghc8.8.yaml
rename to stack.yaml
index b4b666f26..821dc0967 100644
--- a/stack-ghc8.8.yaml
+++ b/stack.yaml
@@ -1,6 +1,6 @@
 # stack build plan using GHC 8.8.1
 
-resolver: nightly-2019-11-28
+resolver: nightly-2019-12-24
 # allow-newer: true
 
 packages: