diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index aab3391..6e6a816 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,9 +16,10 @@ on:
   push:
     branches:
       - 'master'
-  schedule:
-    # Additionally run once per week (At 00:00 on Sunday) to maintain cache.
-    - cron: '0 0 * * 0'
+  # GitHub disables actions after 60 days of inactivity, so a cron job is rather useless.
+  # schedule:
+  #   # Additionally run once per week (At 00:00 on Sunday) to maintain cache.
+  #   - cron: '0 0 * * 0'
 
 jobs:
   cabal:
@@ -38,14 +39,15 @@ jobs:
           - "9.6"
           - "9.8"
           - "9.10"
+          - "9.12"
         include:
-          - { os: macOS-latest,   ghc: "9.10" }
-          - { os: windows-latest, ghc: "9.10" }
+          - { os: macOS-latest,   ghc: "9.12" }
+          - { os: windows-latest, ghc: "9.12" }
 
     steps:
       - uses: actions/checkout@v4
 
-      - name: Set up GHC ${{ matrix.ghc-version }}
+      - name: Set up GHC ${{ matrix.ghc }}
         uses: haskell-actions/setup@v2
         id: setup
         with:
@@ -100,9 +102,10 @@ jobs:
         include:
           # GHC version must match https://www.stackage.org/nightly
           - stack: "latest"
-            ghc: "9.8"
+            ghc: "9.12"
 
     steps:
+      # for running tests:
       - uses: nikeee/setup-pandoc@v1
 
       - uses: actions/checkout@v4
@@ -119,7 +122,7 @@ jobs:
           cat <<EOF > stack.yaml
             packages:
               - '.'
-            resolver: nightly-2023-07-17
+            resolver: nightly-2025-07-23
           EOF
           stack config set system-ghc true --global
           stack config set resolver nightly
diff --git a/heist.cabal b/heist.cabal
index 5b3345a..70c4c54 100644
--- a/heist.cabal
+++ b/heist.cabal
@@ -1,6 +1,7 @@
 cabal-version:  2.2
 name:           heist
 version:        1.1.1.2
+x-revision:     5
 synopsis:       An Haskell template system supporting both HTML5 and XML.
 description:
     Heist is a powerful template system that supports both HTML5 and XML.
@@ -37,9 +38,10 @@ tested-with:
   GHC == 9.0.2
   GHC == 9.2.8
   GHC == 9.4.8
-  GHC == 9.6.5
-  GHC == 9.8.2
-  GHC == 9.10.1
+  GHC == 9.6.7
+  GHC == 9.8.4
+  GHC == 9.10.2
+  GHC == 9.12.2
 
 extra-doc-files:
   CHANGELOG.md
@@ -199,7 +201,7 @@ Library
     monad-control              >= 0.3     && < 1.1,
     mtl                        >= 2.0     && < 2.4,
     process                    >= 1.1     && < 1.7,
-    random                     >= 1.0.1.0 && < 1.3,
+    random                     >= 1.0.1.0 && < 2,
     text                       >= 0.10    && < 2.2,
     time                       >= 1.1     && < 2,
     transformers               >= 0.3     && < 0.7,
@@ -228,7 +230,7 @@ Test-suite testsuite
 
   build-depends:
     HUnit                      >= 1.2      && < 2,
-    QuickCheck                 >= 2        && < 2.16,
+    QuickCheck                 >= 2        && < 3,
     lens                       >= 4.3      && < 5.4,
     test-framework             >= 0.4      && < 0.9,
     test-framework-hunit       >= 0.2.7    && < 0.4,