diff --git a/stack.yaml b/stack.yaml
index 3b1d0d83edb..e745697e30e 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -23,9 +23,14 @@ extra-deps:
 - ghc-boot-9.10.1@rev:1
 - process-1.6.24.0
 - unix-2.8.5.1
+# for windows
+- Win32-2.14.0.0
+- time-1.14
+
 # for hledger
 - haskeline-0.8.2.1
-# for dev builds, needed only when the ghcdebug flag is enabled:
+
+# for dev builds when the ghcdebug flag is enabled:
 - ghc-debug-convention-0.6.0.0
 - ghc-debug-stub-0.6.0.0