diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,11 +1,17 @@
+## Version 0.7.2 (2024-06-25)
+
+- Remove flag `old-time` and drop support for `old-time`.
+- Remove support for GHC 7.
+- Tested with GHC 8.0 - 9.10.
+
 ## Version 0.7.1 (2023-12-06) Santa Clause edition
 
-- Add `System.PosixCompat.Process` module, exporting `getProcessID`
+- Add `System.PosixCompat.Process` module, exporting `getProcessID`.
 
 ## Version 0.7 (2023-03-15)
 
-- Remove `System.PosixCompat.User` module
+- Remove `System.PosixCompat.User` module.
 
 ## Version 0.6 (2022-05-22)
 
-- Better support for symbolic links
+- Better support for symbolic links.
diff --git a/src/System/PosixCompat/Internal/Time.hs b/src/System/PosixCompat/Internal/Time.hs
--- a/src/System/PosixCompat/Internal/Time.hs
+++ b/src/System/PosixCompat/Internal/Time.hs
@@ -10,16 +10,6 @@
     ) where
 
 import System.Posix.Types (EpochTime)
-
-#ifdef OLD_TIME
-
-import System.Time (ClockTime(TOD), getClockTime)
-
-clockTimeToEpochTime :: ClockTime -> EpochTime
-clockTimeToEpochTime (TOD s _) = fromInteger s
-
-#else
-
 import Data.Time.Clock.POSIX (POSIXTime, getPOSIXTime)
 
 type ClockTime = POSIXTime
@@ -29,5 +19,3 @@
 
 clockTimeToEpochTime :: ClockTime -> EpochTime
 clockTimeToEpochTime = fromInteger . floor
-
-#endif
diff --git a/unix-compat.cabal b/unix-compat.cabal
--- a/unix-compat.cabal
+++ b/unix-compat.cabal
@@ -1,5 +1,6 @@
+cabal-version:  >= 1.10
 name:           unix-compat
-version:        0.7.1
+version:        0.7.2
 synopsis:       Portable POSIX-compatibility layer.
 description:    This package provides portable implementations of parts
                 of the unix package. This package re-exports the unix
@@ -13,8 +14,21 @@
 maintainer:     https://github.com/haskell-pkg-janitors
 category:       System
 build-type:     Simple
-cabal-version:  >= 1.10
 
+tested-with:
+  GHC == 9.10.1
+  GHC == 9.8.2
+  GHC == 9.6.5
+  GHC == 9.4.8
+  GHC == 9.2.8
+  GHC == 9.0.2
+  GHC == 8.10.7
+  GHC == 8.8.4
+  GHC == 8.6.5
+  GHC == 8.4.4
+  GHC == 8.2.2
+  GHC == 8.0.2
+
 extra-source-files:
   CHANGELOG.md
 
@@ -22,15 +36,8 @@
   type:     git
   location: https://github.com/haskell-pkg-janitors/unix-compat.git
 
-flag old-time
-  description: build against old-time package
-  default: False
-
 Library
-  default-language: Haskell2010
   hs-source-dirs: src
-  ghc-options: -Wall
-  build-depends: base == 4.*
 
   exposed-modules:
     System.PosixCompat
@@ -42,27 +49,18 @@
     System.PosixCompat.Types
     System.PosixCompat.Unistd
 
+  build-depends: base >= 4.9 && < 5
+
   if os(windows)
     c-sources:
       cbits/HsUname.c
       cbits/mktemp.c
 
     extra-libraries: msvcrt
-    build-depends: Win32 >= 2.5.0.0
-    build-depends: filepath >= 1.0 && < 1.5
-
-    if flag(old-time)
-      build-depends: old-time >= 1.0.0.0 && < 1.2.0.0
-      cpp-options: -DOLD_TIME
-
-      if impl(ghc < 7)
-        build-depends: directory == 1.0.*
-        cpp-options: -DDIRECTORY_1_0
-      else
-        build-depends: directory == 1.1.*
-    else
-      build-depends: time >= 1.0 && < 1.13
-      build-depends: directory >= 1.3.1 && < 1.4
+    build-depends: Win32     >= 2.5.0.0
+    build-depends: directory >= 1.3.1    && < 1.4
+    build-depends: filepath  >= 1.0      && < 1.6
+    build-depends: time      >= 1.0      && < 1.13
 
     other-modules:
       System.PosixCompat.Internal.Time
@@ -76,11 +74,14 @@
     if os(solaris)
       cc-options: -DSOLARIS
 
-Test-Suite unix-compat-testsuite
   default-language: Haskell2010
+  ghc-options:
+    -Wall
+    -Wcompat
+
+Test-Suite unix-compat-testsuite
   type: exitcode-stdio-1.0
   hs-source-dirs: tests
-  ghc-options: -Wall
   main-is: main.hs
 
   other-modules:
@@ -105,11 +106,12 @@
 
   build-depends:
       unix-compat
-    , base == 4.*
+    , base
     , monad-parallel
     , hspec
     , HUnit
-    , directory
+    , directory >= 1.3.1.0
+        -- directory-1.3.1.0 adds createFileLink
     , extra
     , temporary
 
@@ -120,19 +122,8 @@
 
     -- extra-libraries: msvcrt
     -- build-depends: Win32 >= 2.5.0.0
-
-    if flag(old-time)
-      build-depends: old-time >= 1.0.0.0 && < 1.2.0.0
-      cpp-options: -DOLD_TIME
-
-      if impl(ghc < 7)
-        build-depends: directory == 1.0.*
-        cpp-options: -DDIRECTORY_1_0
-      else
-        build-depends: directory == 1.1.*
-    else
-      build-depends: time >= 1.0 && < 1.13
-      build-depends: directory >= 1.3.1 && < 1.4
+      build-depends: time
+      build-depends: directory
 
     -- other-modules:
     --   System.PosixCompat.Internal.Time
@@ -146,4 +137,7 @@
     if os(solaris)
       cc-options: -DSOLARIS
 
-    build-depends: directory >= 1.3.1 && < 1.4
+  default-language: Haskell2010
+  ghc-options:
+    -Wall
+    -Wcompat