diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a078d08..f474433 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,14 +6,14 @@ on:
       - master
 jobs:
   changedfiles:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     outputs:
       all: ${{ steps.changes.outputs.all}}
       c: ${{ steps.changes.outputs.c }}
       gen: ${{ steps.changes.outputs.gen }}
     steps:
       - name: checkout tree-sitter-scala
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 10
 
@@ -30,16 +30,16 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        os: [ubuntu-20.04, macos-latest, windows-2019]
+        os: [ubuntu-latest, macos-latest, windows-2019]
     steps:
       - name: checkout tree-sitter-scala
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 10
 
       - name: checkout scala/scala
         if: ${{ runner.os == 'Linux' }}
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: scala/scala
           ref: v2.13.10
@@ -47,7 +47,7 @@ jobs:
 
       - name: checkout lampepfl/dotty
         if: ${{ runner.os == 'Linux' }}
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: lampepfl/dotty
           ref: 3.3.0
@@ -55,7 +55,7 @@ jobs:
 
       - name: checkout nvim-treesitter/nvim-treesitter
         if: ${{ runner.os == 'Linux' }}
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: nvim-treesitter/nvim-treesitter
           path: nvim_treesitter
diff --git a/.github/workflows/fuzz.yml b/.github/workflows/fuzz.yml
index d9da14e..eb62dd3 100644
--- a/.github/workflows/fuzz.yml
+++ b/.github/workflows/fuzz.yml
@@ -17,7 +17,7 @@ jobs:
     name: Parser fuzzing
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@4
       - uses: vigoux/tree-sitter-fuzz-action@v1
         with:
           language: scala
diff --git a/.github/workflows/sync.yml b/.github/workflows/sync.yml
index 1eba217..4628333 100644
--- a/.github/workflows/sync.yml
+++ b/.github/workflows/sync.yml
@@ -6,13 +6,13 @@ on:
 
 jobs:
   check-and-sync:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     outputs:
       all: ${{ steps.changes.outputs.all}}
       c: ${{ steps.changes.outputs.c }}
     steps:
       - name: checkout tree-sitter-scala
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 10