diff --git a/hledger-lib/hledger-lib.cabal b/hledger-lib/hledger-lib.cabal
index 840683ba8..c88b5ed75 100644
--- a/hledger-lib/hledger-lib.cabal
+++ b/hledger-lib/hledger-lib.cabal
@@ -89,7 +89,7 @@ library
                   Hledger.Utils.UTF8IOCompat
   build-depends:
                   base >= 4.3 && < 5
-                 ,base-compat >= 0.8.0
+                 ,base-compat >= 0.8.1
                  ,array
                  ,blaze-markup >= 0.5.1
                  ,bytestring
@@ -128,7 +128,7 @@ test-suite tests
   default-language: Haskell2010
   build-depends: hledger-lib
                , base >= 4.3 && < 5
-               , base-compat >= 0.8.0
+               , base-compat >= 0.8.1
                , array
                , blaze-markup >= 0.5.1
                , cmdargs
diff --git a/hledger-web/hledger-web.cabal b/hledger-web/hledger-web.cabal
index edf6fa8ee..f000b7fa2 100644
--- a/hledger-web/hledger-web.cabal
+++ b/hledger-web/hledger-web.cabal
@@ -162,7 +162,7 @@ library
                      hledger              == 0.25.98
                    , hledger-lib          == 0.25.98
                    , base                 >= 4 && < 5
-                   , base-compat          >= 0.5.0
+                   , base-compat          >= 0.8.1
                    , blaze-html
                    , blaze-markup
                    , bytestring
@@ -237,7 +237,7 @@ executable         hledger-web
                    , hledger              == 0.25.98
                    , hledger-web          == 0.25.98
                    , base                 >= 4 && < 5
-                   , base-compat          >= 0.5.0
+                   , base-compat          >= 0.8.1
                    , blaze-html
                    , blaze-markup
                    , bytestring
@@ -287,7 +287,7 @@ test-suite test
     build-depends: 
                      hledger-web          == 0.25.98
                    , base
-                   , base-compat          >= 0.5.0
+                   , base-compat          >= 0.8.1
                    , hspec
                    , yesod
                    , yesod-test
diff --git a/hledger/hledger.cabal b/hledger/hledger.cabal
index eaad8e4b0..c13e61077 100644
--- a/hledger/hledger.cabal
+++ b/hledger/hledger.cabal
@@ -77,7 +77,7 @@ library
   build-depends:
                   hledger-lib == 0.25.98
                  ,base >= 4.3 && < 5
-                 ,base-compat >= 0.5.0
+                 ,base-compat >= 0.8.1
                  -- ,cabal-file-th
                  ,containers
                  ,cmdargs >= 0.10 && < 0.11
@@ -133,7 +133,7 @@ executable hledger
                   hledger-lib == 0.25.98
                  ,hledger == 0.25.98
                  ,base >= 4.3 && < 5
-                 ,base-compat >= 0.5.0
+                 ,base-compat >= 0.8.1
                  ,containers
                  ,cmdargs >= 0.10 && < 0.11
                  ,csv
@@ -176,7 +176,7 @@ test-suite tests
   build-depends: hledger-lib
                , hledger
                , base >= 4.3 && < 5
-               , base-compat >= 0.5.0
+               , base-compat >= 0.8.1
                , cmdargs
                , containers
                , csv
@@ -221,7 +221,7 @@ benchmark bench
   build-depends:    hledger-lib,
                     hledger,
                     base >= 4.3 && < 5,
-                    base-compat >= 0.5.0,
+                    base-compat >= 0.8.1,
                     html,
                     tabular >= 0.2 && < 0.3,
                     process,