diff --git a/hledger-lib/hledger-lib.cabal b/hledger-lib/hledger-lib.cabal
index c39a21f8a..f713bbb0d 100644
--- a/hledger-lib/hledger-lib.cabal
+++ b/hledger-lib/hledger-lib.cabal
@@ -67,7 +67,7 @@ library
                  ,old-time
                  ,parsec
                  ,pretty-show
-                 ,regex-compat == 0.95.*
+                 ,regex-compat-tdfa == 0.95.*
                  ,regexpr >= 0.5.1
                  ,safe >= 0.2
                  ,split >= 0.1 && < 0.3
@@ -98,7 +98,7 @@ test-suite tests
                , old-time
                , parsec
                , pretty-show
-               , regex-compat
+               , regex-compat-tdfa
                , regexpr
                , safe
                , split
diff --git a/hledger/hledger.cabal b/hledger/hledger.cabal
index 252998177..a55c4fcf5 100644
--- a/hledger/hledger.cabal
+++ b/hledger/hledger.cabal
@@ -159,7 +159,7 @@ test-suite tests
                , parsec
                , pretty-show
                , process
-               , regex-compat
+               , regex-compat-tdfa
                , regexpr
                , safe
                , shakespeare-text