diff --git a/pandoc.cabal b/pandoc.cabal
index 43dcfd186..b4d2c6675 100644
--- a/pandoc.cabal
+++ b/pandoc.cabal
@@ -615,7 +615,7 @@ test-suite test-pandoc
                   process >= 1.2.3 && < 1.7,
                   temporary >= 1.1 && < 1.3,
                   Diff >= 0.2 && < 0.4,
-                  tasty >= 0.11 && < 0.13,
+                  tasty >= 0.11 && < 1.1,
                   tasty-hunit >= 0.9 && < 0.11,
                   tasty-quickcheck >= 0.8 && < 0.10,
                   tasty-golden >= 2.3 && < 2.4,
diff --git a/stack.yaml b/stack.yaml
index 135f2651b..b72c1ffb4 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -16,4 +16,5 @@ extra-deps:
 - pandoc-citeproc-0.12.2.5
 - hslua-0.9.5
 - skylighting-0.5.1
-resolver: lts-10.2
+- tasty-1.0
+resolver: lts-10.3