1 files changed, 1 insertions, 1 deletions

diff --git a/stack.yaml b/stack.yaml
index dc6a90a..5944fc2 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,4 +1,4 @@
-resolver: lts-13.12
+resolver: lts-13.20
 packages:
 - '.'
 - location: vendor/cabal-helper-0.8.1.2