diff --git a/stack.yaml b/stack.yaml
index 8dc21c64f..f5edbd9e8 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -2,7 +2,7 @@
 # https://gitlab.haskell.org/ghc/ghc/-/wikis/migration/9.10
 # https://downloads.haskell.org/ghc/9.10.1/docs/users_guide/9.10.1-notes.html
 
-resolver: nightly-2025-02-15
+resolver: nightly-2025-03-01
 
 packages:
 - hledger-lib
diff --git a/stack9.12.yaml b/stack9.12.yaml
index 509bd5fb6..2ba8cf883 100644
--- a/stack9.12.yaml
+++ b/stack9.12.yaml
@@ -2,7 +2,7 @@
 # https://gitlab.haskell.org/ghc/ghc/-/wikis/migration/9.12
 # https://downloads.haskell.org/ghc/9.12.1/docs/users_guide/9.12.1-notes.html
 
-resolver: nightly-2025-02-15
+resolver: nightly-2025-03-01
 compiler: ghc-9.12.1
 notify-if-ghc-untested: false
 notify-if-cabal-untested: false
diff --git a/stack9.8.yaml b/stack9.8.yaml
index 4a794f6eb..31425741a 100644
--- a/stack9.8.yaml
+++ b/stack9.8.yaml
@@ -1,6 +1,6 @@
 # stack build plan using GHC 9.8.4
 
-resolver: lts-23.8
+resolver: lts-23.11
 
 packages:
 - hledger-lib