diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e1d94b17..3dabc675 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macOS-latest]
-        ghc: ['9.8.2', '9.6.4', '9.4.8']
+        ghc: ['9.8.2', '9.6.4', '9.4.8', '9.2', '9.0']
     steps:
     - uses: actions/checkout@v4
     - uses: haskell-actions/setup@v2
diff --git a/time.cabal b/time.cabal
index 5f02408d..25c58834 100644
--- a/time.cabal
+++ b/time.cabal
@@ -52,9 +52,9 @@ library
     ghc-options: -Wall -fwarn-tabs
     c-sources: lib/cbits/HsTime.c
     build-depends:
-        base >= 4.14 && < 5,
+        base >= 4.15 && < 5,
         deepseq >= 1.1,
-        template-haskell >= 2.16,
+        template-haskell >= 2.17,
     if os(windows)
         build-depends: Win32
     exposed-modules: