diff --git a/changelog.md b/changelog.md
index 9475410c..49f36845 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,9 @@
 # Changelog for [`process` package](http://hackage.haskell.org/package/process)
 
+## 1.6.26.2 *March 2026*
+
+* Fix `@since` annotations
+
 ## 1.6.26.1 *May 2025*
 
 * Regenerate `configure` script (#343)
diff --git a/process.cabal b/process.cabal
index 4ace1780..125945dc 100644
--- a/process.cabal
+++ b/process.cabal
@@ -1,6 +1,6 @@
 cabal-version: 2.4
 name:          process
-version:       1.6.26.1
+version:       1.6.26.2
 -- NOTE: Don't forget to update ./changelog.md
 license:       BSD-3-Clause
 license-file:  LICENSE
diff --git a/test/Setup.hs b/test/Setup.hs
index 5dfa8a79..72b48722 100644
--- a/test/Setup.hs
+++ b/test/Setup.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP #-}
 {-# OPTIONS_GHC -Wall #-}
 
 module Main (main) where
@@ -31,6 +32,10 @@ import Distribution.Types.TargetInfo
   ( targetComponent )
 import Distribution.Types.UnqualComponentName
   ( unUnqualComponentName )
+#if MIN_VERSION_Cabal(3,16,0)
+import Distribution.Utils.Path
+  ( SymbolicPathX, interpretSymbolicPathCWD)
+#endif
 
 -- directory
 import System.Directory
@@ -45,6 +50,15 @@ import System.FilePath
 main :: IO ()
 main = defaultMainWithHooks testProcessHooks
 
+#if MIN_VERSION_Cabal(3,16,0)
+pathToString ::
+  SymbolicPathX allowAbsolute from to -> String
+pathToString = interpretSymbolicPathCWD
+#else
+pathToString :: String -> String
+pathToString = id
+#endif
+
 -- The following code works around Cabal bug #9854.
 --
 -- The process-tests package has an executable component named "cli-child",
@@ -57,7 +71,7 @@ testProcessHooks =
   simpleUserHooks
     { buildHook = \ pd lbi userHooks buildFlags ->
         withTestLBI pd lbi $ \ _testSuite clbi -> do
-          let pathsFile = autogenComponentModulesDir lbi clbi </> "Test" </> "Paths" <.> "hs"
+          let pathsFile = pathToString (autogenComponentModulesDir lbi clbi) </> "Test" </> "Paths" <.> "hs"
           createDirectoryIfMissing True (takeDirectory pathsFile)
           writeFile pathsFile $ unlines
             [ "module Test.Paths where"
@@ -74,6 +88,6 @@ processInternalExes pd lbi =
   , CExe exe <- [targetComponent tgt]
   , let toolName = unUnqualComponentName $ exeName exe
         toolLocation =
-          buildDir lbi
+          pathToString (buildDir lbi)
             </> (toolName </> toolName <.> exeExtension (hostPlatform lbi))
   ]
diff --git a/test/process-tests.cabal b/test/process-tests.cabal
index aafcaede..5c2c19e1 100644
--- a/test/process-tests.cabal
+++ b/test/process-tests.cabal
@@ -1,6 +1,6 @@
 cabal-version: 2.4
 name:          process-tests
-version:       1.6.26.1
+version:       1.6.26.2
 license:       BSD-3-Clause
 license-file:  LICENSE
 maintainer:    libraries@haskell.org
@@ -18,14 +18,14 @@ source-repository head
 
 common process-dep
   build-depends:
-    process == 1.6.26.1
+    process == 1.6.26.2
 
 custom-setup
   setup-depends:
     base      >= 4.10 && < 4.23,
     directory >= 1.1  && < 1.4,
     filepath  >= 1.2  && < 1.6,
-    Cabal     >= 2.4  && < 3.14,
+    Cabal     >= 2.4  && < 3.18,
 
 -- Test executable for the CommunicationHandle functionality
 executable cli-child