diff --git a/stack.pkg.yaml b/stack.pkg.yaml
index 031524d6a..e7ce11752 100644
--- a/stack.pkg.yaml
+++ b/stack.pkg.yaml
@@ -16,7 +16,5 @@ ghc-options:
   highlighting-kate: '-pgmP cpphs -optP--cpp'
 packages:
 - '.'
-- 'https://hackage.haskell.org/package/highlighting-kate-0.6/highlighting-kate-0.6.tar.gz'
-- 'https://hackage.haskell.org/package/texmath-0.8.4/texmath-0.8.4.tar.gz'
 - 'https://hackage.haskell.org/package/pandoc-citeproc-0.8.0.1/pandoc-citeproc-0.8.0.1.tar.gz'
-resolver: lts-3.9
+resolver: lts-3.10
diff --git a/stack.yaml b/stack.yaml
index ed354819d..55b96046c 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -8,4 +8,4 @@ flags:
 packages:
 - '.'
 extra-deps: []
-resolver: lts-3.9
+resolver: lts-3.10