diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 81a2d65..8a73089 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,12 +9,15 @@ jobs:
     strategy:
       matrix:
         ghc:
+          - "9.8.2"
+          - "9.6.4"
+          - "9.4.8"
           - "9.2.2"
           - "9.0.2"
           - "8.10.7"
           - "8.8.4"
         cabal:
-          - "3.6"
+          - "3.10.1.0"
         os:
           - ubuntu-latest
           - macOS-latest
@@ -23,7 +26,7 @@ jobs:
       - uses: actions/checkout@v2
       - name: Set up Haskell
         id: setup-haskell-cabal
-        uses: haskell/actions/setup@v1
+        uses: haskell-actions/setup@v2
         with:
           ghc-version: ${{ matrix.ghc }}
           cabal-version: ${{ matrix.cabal }}
@@ -34,10 +37,10 @@ jobs:
           key: ${{ runner.os }}-${{ matrix.ghc }}-cabal
       - name: Install system dependencies (Linux)
         if: runner.os == 'Linux'
-        run: sudo apt-get install libgtk2.0-dev
+        run: sudo apt-get update && sudo apt-get install libgtk2.0-dev
       - name: Install system dependencies (macOS)
         if: runner.os == 'macOS'
-        run: brew install gtk+ pkg-config
+        run: brew install cairo gtk+ pkg-config
       - name: Set extra cabal build options (macOS)
         if: runner.os == 'macOS'
         run: echo "CABAL_BUILD_OPTIONS=--constraint='gtk +have-quartz-gtk'" >> $GITHUB_ENV
@@ -98,12 +101,15 @@ jobs:
     strategy:
       matrix:
         ghc:
+          - "9.8.2"
+          - "9.6.4"
+          - "9.4.8"
           - "9.2.2"
           - "9.0.2"
           - "8.10.7"
           - "8.8.4"
         cabal:
-          - "3.6"
+          - "3.10.1.0"
         os:
           - windows-latest
       fail-fast: false
@@ -111,7 +117,7 @@ jobs:
       - uses: actions/checkout@v2
       - name: Set up Haskell
         id: setup-haskell-cabal
-        uses: haskell/actions/setup@v1
+        uses: haskell-actions/setup@v2
         with:
           ghc-version: ${{ matrix.ghc }}
           cabal-version: ${{ matrix.cabal }}
diff --git a/GUI/EventsView.hs b/GUI/EventsView.hs
index 6f79cbb..74d56d9 100644
--- a/GUI/EventsView.hs
+++ b/GUI/EventsView.hs
@@ -17,6 +17,7 @@ import GHC.RTS.Events
 import Graphics.UI.Gtk
 import qualified GUI.GtkExtras as GtkExt
 
+import Control.Monad
 import Control.Monad.Reader
 import Data.Array
 import Data.Monoid
diff --git a/threadscope.cabal b/threadscope.cabal
index ef73429..8deb1b9 100644
--- a/threadscope.cabal
+++ b/threadscope.cabal
@@ -54,16 +54,16 @@ Executable threadscope
                      pango < 0.14,
                      binary < 0.11,
                      array < 0.6,
-                     mtl < 2.3,
-                     filepath < 1.5,
-                     ghc-events >= 0.13 && < 0.19,
-                     containers >= 0.2 && < 0.7,
+                     mtl < 2.4,
+                     filepath < 1.6,
+                     ghc-events >= 0.13 && < 0.20,
+                     containers >= 0.2 && < 0.8,
                      deepseq >= 1.1,
-                     text < 2.1,
+                     text < 2.2,
                      time >= 1.1 && < 1.13,
-                     bytestring < 0.12,
+                     bytestring < 0.13,
                      file-embed < 0.1,
-                     template-haskell < 2.20,
+                     template-haskell < 2.22,
                      temporary >= 1.1 && < 1.4
 
   include-dirs:      include
@@ -116,6 +116,6 @@ Executable threadscope
      ghc-options:  -fno-warn-unused-matches
 
   if !os(windows)
-     build-depends: unix >= 2.3 && < 2.8
+     build-depends: unix >= 2.3 && < 2.9
 
   default-language: Haskell2010