diff --git a/hledger-ui/hledger-ui.cabal b/hledger-ui/hledger-ui.cabal
index 839521609..cd106b198 100644
--- a/hledger-ui/hledger-ui.cabal
+++ b/hledger-ui/hledger-ui.cabal
@@ -58,6 +58,7 @@ executable hledger-ui
     , cmdargs >= 0.8
     , containers
     , data-default
+    , filepath
     , HUnit
     , lens >= 4.12.3 && < 4.13
     , safe >= 0.2
diff --git a/hledger-ui/package.yaml b/hledger-ui/package.yaml
index 5b7b29f05..b8051c81f 100644
--- a/hledger-ui/package.yaml
+++ b/hledger-ui/package.yaml
@@ -67,6 +67,7 @@ executables:
       - base >= 3 && < 5
       - cmdargs >= 0.8
       - containers
+      - filepath
       - HUnit
       - safe >= 0.2
       - split >= 0.1 && < 0.3