diff --git a/stack8.10.yaml b/stack8.10.yaml
index f95a0f86b..ed0f569ee 100644
--- a/stack8.10.yaml
+++ b/stack8.10.yaml
@@ -16,6 +16,7 @@ extra-deps:
 # for hledger-lib:
 # - breakpoint-0.1.2.0
 - doctest-0.20.0
+- ansi-terminal-0.11.4
 - text-ansi-0.2.1
 - text-builder-0.6.7
 - text-builder-dev-0.3.3.2
diff --git a/stack9.0.yaml b/stack9.0.yaml
index 2ae41a079..e5a00c149 100644
--- a/stack9.0.yaml
+++ b/stack9.0.yaml
@@ -19,6 +19,7 @@ packages:
 extra-deps:
 - megaparsec-9.3.0
 # for hledger-lib:
+- ansi-terminal-0.11.4
 - text-ansi-0.2.1
 - text-builder-0.6.7
 - text-builder-dev-0.3.3.2