diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b48478d8..2261d301 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macOS-latest]
-        ghc: ['9.4.4', '9.2.5', '9.0.2']
+        ghc: ['9.8.1', '9.6.3', '9.4.8']
     steps:
     - uses: actions/checkout@v4
     - uses: haskell/actions/setup@v2
@@ -42,7 +42,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ghc: ['9.4.4', '9.2.5', '9.0.2']
+        ghc: ['9.8.1', '9.6.3', '9.4.8']
     steps:
     - uses: actions/checkout@v4
     - uses: haskell/actions/setup@v2
diff --git a/fullcheck b/fullcheck
index bf1b5d27..ea76ead4 100755
--- a/fullcheck
+++ b/fullcheck
@@ -6,7 +6,7 @@ PATH=$HOME/.ghcup/bin:$PATH
 ghcup upgrade
 ghcup install cabal latest
 ghcup set cabal latest
-for c in 9.0.2 9.2.5 9.4.4
+for c in 9.4.8 9.6.3 9.8.1
 do
 ghcup install ghc $c
 ghcup set ghc $c
diff --git a/fullcheck.ps1 b/fullcheck.ps1
index 583bd4a6..634e3178 100644
--- a/fullcheck.ps1
+++ b/fullcheck.ps1
@@ -11,7 +11,7 @@ if (!$?) {Exit 1}
 if (!$?) {Exit 1}
 & "ghcup" "set" "cabal" "latest"
 if (!$?) {Exit 1}
-ForEach ($c in "9.0.2","9.2.5","9.4.4")
+ForEach ($c in "9.4.8","9.6.3","9.8.1")
 {
     & "ghcup" "install" "ghc" "$c"
     if (!$?) {Exit 1}
diff --git a/time.cabal b/time.cabal
index e7b4be05..e5950406 100644
--- a/time.cabal
+++ b/time.cabal
@@ -13,9 +13,9 @@ description:    Time, clocks and calendars
 category:       Time
 build-type:     Configure
 tested-with:
-    GHC == 9.0.2,
-    GHC == 9.2.5,
-    GHC == 9.4.4
+    GHC == 9.4.8,
+    GHC == 9.6.3,
+    GHC == 9.8.1
 x-follows-version-policy:
 
 extra-source-files: