diff --git a/hledger-web/hledger-web.cabal b/hledger-web/hledger-web.cabal
index 0653b0843..0af4e4d40 100644
--- a/hledger-web/hledger-web.cabal
+++ b/hledger-web/hledger-web.cabal
@@ -178,7 +178,6 @@ library
     , megaparsec >=7.0.0 && <8.1
     , mtl >=2.2.1
     , network
-    , semigroups
     , shakespeare >=2.0.2.2
     , template-haskell
     , text >=1.2
diff --git a/hledger-web/package.yaml b/hledger-web/package.yaml
index 7ad8a1ad7..2f9c1dabd 100644
--- a/hledger-web/package.yaml
+++ b/hledger-web/package.yaml
@@ -125,7 +125,6 @@ library:
   - megaparsec >=7.0.0 && <9.1
   - mtl >=2.2.1
   - network
-  - semigroups
   - shakespeare >=2.0.2.2
   - template-haskell
   - text >=1.2