diff --git a/hledger/hledger.cabal b/hledger/hledger.cabal
index e6f887671..35312cbbb 100644
--- a/hledger/hledger.cabal
+++ b/hledger/hledger.cabal
@@ -118,6 +118,7 @@ library
     , base >=4.8 && <4.12
     , base-compat-batteries >=0.10.1 && <0.11
     , bytestring
+    , cassava
     , cmdargs >=0.10
     , containers
     , csv
@@ -171,6 +172,7 @@ executable hledger
     , base >=4.8 && <4.12
     , base-compat-batteries >=0.10.1 && <0.11
     , bytestring
+    , cassava
     , cmdargs >=0.10
     , containers
     , csv
@@ -226,6 +228,7 @@ test-suite test
     , base >=4.8 && <4.12
     , base-compat-batteries >=0.10.1 && <0.11
     , bytestring
+    , cassava
     , cmdargs >=0.10
     , containers
     , csv
@@ -280,6 +283,7 @@ benchmark bench
     , base >=4.8 && <4.12
     , base-compat-batteries >=0.10.1 && <0.11
     , bytestring
+    , cassava
     , cmdargs >=0.10
     , containers
     , criterion
diff --git a/hledger/package.yaml b/hledger/package.yaml
index 5f3f99d57..b50b31c37 100644
--- a/hledger/package.yaml
+++ b/hledger/package.yaml
@@ -86,6 +86,7 @@ dependencies:
 - cmdargs >=0.10
 - containers
 - csv
+- cassava
 - data-default >=0.5
 - Decimal
 - directory