diff --git a/Shake.hs b/Shake.hs
index 9532c4937..09f7e7428 100755
--- a/Shake.hs
+++ b/Shake.hs
@@ -1,5 +1,5 @@
 #!/usr/bin/env stack
-{- stack script --resolver nightly-2021-07-16 --compile
+{- stack script --resolver nightly-2021-12-16 --compile
    --package base-prelude
    --package directory
    --package extra
diff --git a/bin/changelog.hs b/bin/changelog.hs
index 2466dba3f..2d140f90f 100755
--- a/bin/changelog.hs
+++ b/bin/changelog.hs
@@ -1,5 +1,5 @@
 #!/usr/bin/env stack
-{- stack script --resolver nightly-2021-11-19
+{- stack script --resolver nightly-2021-12-16
     --package data-default
     --package extra
     --package hledger-lib
diff --git a/tools/docshelltest.hs b/tools/docshelltest.hs
index d4163ae26..ca046574e 100755
--- a/tools/docshelltest.hs
+++ b/tools/docshelltest.hs
@@ -1,5 +1,5 @@
 #!/usr/bin/env stack
-{- stack script --resolver nightly-2021-07-16 --compile
+{- stack script --resolver nightly-2021-12-16 --compile
 -}
 -- add this to see packages being installed instead of a long silence:
 --   --verbosity=info