diff --git a/Shake.hs b/Shake.hs
index 4f0a5d70b..ac181406f 100755
--- a/Shake.hs
+++ b/Shake.hs
@@ -1,5 +1,5 @@
 #!/usr/bin/env stack
-{- stack script --resolver nightly-2023-05-03 --compile
+{- stack script --resolver nightly-2023-05-31 --compile
    --extra-include-dirs /Library/Developer/CommandLineTools/SDKs/MacOSX12.1.sdk/usr/include/ffi
    --package base-prelude
    --package directory
diff --git a/hledger-install/hledger-install.sh b/hledger-install/hledger-install.sh
index 3b5e41085..97c657ba2 100755
--- a/hledger-install/hledger-install.sh
+++ b/hledger-install/hledger-install.sh
@@ -94,7 +94,7 @@ STACK_MIN_VERSION=2.5.1
 # You can try specifying a different stackage version here, or 
 # commenting out this line to use your current global resolver,
 # to avoid unnecessary building.
-STACK_RESOLVER="--resolver=nightly-2023-05-03"
+STACK_RESOLVER="--resolver=nightly-2023-05-31"
 
 # Dependencies we require that aren't in the above stackage snapshot.
 # (Also requested when using cabal, but that's harmless.)
diff --git a/stack.yaml b/stack.yaml
index 662ea293e..10a658a14 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,6 +1,6 @@
 # stack build plan using GHC 9.4.5
 
-resolver: nightly-2023-05-03
+resolver: nightly-2023-05-31
 
 packages:
 - hledger-lib