diff --git a/hledger-lib/hledger-lib.cabal b/hledger-lib/hledger-lib.cabal
index f723eb68b..dcae2afb0 100644
--- a/hledger-lib/hledger-lib.cabal
+++ b/hledger-lib/hledger-lib.cabal
@@ -104,7 +104,7 @@ library
     , aeson-pretty
     , ansi-terminal >=0.9
     , array
-    , base >=4.14 && <4.17
+    , base >=4.14 && <4.18
     , blaze-markup >=0.5.1
     , breakpoint
     , bytestring
@@ -156,7 +156,7 @@ test-suite doctest
     , aeson-pretty
     , ansi-terminal >=0.9
     , array
-    , base >=4.14 && <4.17
+    , base >=4.14 && <4.18
     , blaze-markup >=0.5.1
     , breakpoint
     , bytestring
@@ -211,7 +211,7 @@ test-suite unittest
     , aeson-pretty
     , ansi-terminal >=0.9
     , array
-    , base >=4.14 && <4.17
+    , base >=4.14 && <4.18
     , blaze-markup >=0.5.1
     , breakpoint
     , bytestring
diff --git a/hledger-ui/hledger-ui.cabal b/hledger-ui/hledger-ui.cabal
index 8da643b29..fd549c34e 100644
--- a/hledger-ui/hledger-ui.cabal
+++ b/hledger-ui/hledger-ui.cabal
@@ -71,9 +71,9 @@ executable hledger-ui
   build-depends:
       ansi-terminal >=0.9
     , async
-    , base >=4.14 && <4.17
+    , base >=4.14 && <4.18
     , breakpoint
-    , brick >=1.0
+    , brick >=1.5
     , cmdargs >=0.8
     , containers >=0.5.9
     , data-default
diff --git a/hledger-web/hledger-web.cabal b/hledger-web/hledger-web.cabal
index 69433ddc0..a8ba50782 100644
--- a/hledger-web/hledger-web.cabal
+++ b/hledger-web/hledger-web.cabal
@@ -155,7 +155,7 @@ library
   build-depends:
       Decimal >=0.5.1
     , aeson >=1
-    , base >=4.14 && <4.17
+    , base >=4.14 && <4.18
     , base64
     , blaze-html
     , blaze-markup
@@ -215,7 +215,7 @@ executable hledger-web
   ghc-options: -Wall -Wredundant-constraints -Wincomplete-record-updates -Wincomplete-uni-patterns
   cpp-options: -DVERSION="1.27.99"
   build-depends:
-      base >=4.14 && <4.17
+      base >=4.14 && <4.18
     , breakpoint
     , hledger-web
   default-language: Haskell2010
@@ -236,7 +236,7 @@ test-suite test
   ghc-options: -Wall -Wredundant-constraints -Wincomplete-record-updates -Wincomplete-uni-patterns
   cpp-options: -DVERSION="1.27.99"
   build-depends:
-      base >=4.14 && <4.17
+      base >=4.14 && <4.18
     , breakpoint
     , hledger
     , hledger-lib
diff --git a/hledger/hledger.cabal b/hledger/hledger.cabal
index 0379b4e6b..41cab9bec 100644
--- a/hledger/hledger.cabal
+++ b/hledger/hledger.cabal
@@ -140,7 +140,7 @@ library
     , Diff >=0.2
     , aeson >=1
     , ansi-terminal >=0.9
-    , base >=4.14 && <4.17
+    , base >=4.14 && <4.18
     , breakpoint
     , bytestring
     , cmdargs >=0.10
@@ -191,7 +191,7 @@ executable hledger
       Decimal >=0.5.1
     , aeson >=1
     , ansi-terminal >=0.9
-    , base >=4.14 && <4.17
+    , base >=4.14 && <4.18
     , breakpoint
     , bytestring
     , cmdargs >=0.10
@@ -242,7 +242,7 @@ test-suite unittest
       Decimal >=0.5.1
     , aeson >=1
     , ansi-terminal >=0.9
-    , base >=4.14 && <4.17
+    , base >=4.14 && <4.18
     , breakpoint
     , bytestring
     , cmdargs >=0.10
@@ -290,7 +290,7 @@ benchmark bench
       Decimal >=0.5.1
     , aeson >=1
     , ansi-terminal >=0.9
-    , base >=4.14 && <4.17
+    , base >=4.14 && <4.18
     , breakpoint
     , bytestring
     , cmdargs >=0.10