diff --git a/System/OsString/Common.hs b/System/OsString/Common.hs
--- a/System/OsString/Common.hs
+++ b/System/OsString/Common.hs
@@ -494,7 +494,7 @@
 -- | QuasiQuote a 'PosixString'. This accepts Unicode characters
 -- and encodes as UTF-8 on unix.
 #endif
-#if defined(MIN_VERSION_template_haskell) || defined(MIN_VERSION_template_haskell_quasi_quoter)
+#if defined(MIN_VERSION_template_haskell) || defined(MIN_VERSION_template_haskell_quasiquoter)
 pstr :: QuasiQuoter
 pstr =
   QuasiQuoter
diff --git a/System/OsString/Internal.hs b/System/OsString/Internal.hs
--- a/System/OsString/Internal.hs
+++ b/System/OsString/Internal.hs
@@ -197,7 +197,7 @@
 -- | QuasiQuote an 'OsString'. This accepts Unicode characters
 -- and encodes as UTF-8 on unix and UTF-16 on windows.
 -- If used as pattern, requires turning on the @ViewPatterns@ extension.
-#if defined(MIN_VERSION_template_haskell) || defined(MIN_VERSION_template_haskell_quasi_quoter)
+#if defined(MIN_VERSION_template_haskell) || defined(MIN_VERSION_template_haskell_quasiquoter)
 osstr :: QuasiQuoter
 osstr =
   QuasiQuoter
diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,9 @@
 # Changelog for [`os-string` package](http://hackage.haskell.org/package/os-string)
 
+## 2.0.10 *Jan 2026*
+
+* fix build on GHC 9.14 wrt [#40](https://github.com/haskell/os-string/issues/40)
+
 ## 2.0.9 *Jan 2026*
 
 * support MicroHS wrt [#35](https://github.com/haskell/os-string/pull/35)
diff --git a/os-string.cabal b/os-string.cabal
--- a/os-string.cabal
+++ b/os-string.cabal
@@ -1,6 +1,6 @@
 cabal-version:      2.2
 name:               os-string
-version:            2.0.9
+version:            2.0.10
 
 -- NOTE: Don't forget to update ./changelog.md
 license:            BSD-3-Clause