diff --git a/CHANGELOG b/CHANGELOG
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,10 @@
+filepath-bytestring (1.4.100.3.1) unstable; urgency=medium
+
+  * Updated to filepath-1.4.100.3, which fixes a regression.
+  * Allow up to filepath-1.4.200.1.
+
+ -- Joey Hess <id@joeyh.name>  Mon, 29 Jul 2024 19:27:57 -0400
+
 filepath-bytestring (1.4.2.1.13) unstable; urgency=medium
 
   * Relax bounds to allow base-4.18 and filepath-1.4.100.3 (ghc 9.6).
diff --git a/filepath-bytestring.cabal b/filepath-bytestring.cabal
--- a/filepath-bytestring.cabal
+++ b/filepath-bytestring.cabal
@@ -1,6 +1,6 @@
 cabal-version: 1.18
 name:           filepath-bytestring
-version:        1.4.2.1.13
+version:        1.4.100.3.1
 -- NOTE: Don't forget to update CHANGELOG and the filepath dependency below
 license:        BSD3
 license-file:   LICENSE
@@ -79,7 +79,7 @@
         QuickCheck >= 2.7 && < 2.15,
 	-- Versions of filepath that are equvilant to this
 	-- library, for quickcheck equivilance tests.
-        filepath >= 1.4.2 && <= 1.4.100.3
+        filepath >= 1.4.100.3 && <= 1.4.200.1
 
 benchmark filepath-bench
     type: exitcode-stdio-1.0
@@ -92,4 +92,4 @@
         criterion,
         filepath-bytestring,
 	-- Version of filepath to benchmark against
-        filepath >= 1.4.2 && <= 1.4.2.1
+        filepath >= 1.4.100.3 && <= 1.4.200.1