diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b278c437..86284d74 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -20,7 +20,7 @@ jobs:
   unix:
     strategy:
       matrix:
-        os: [{name: ubuntu, version: ubuntu-20.04}, {name: macos, version: macos-latest}]
+        os: [{name: ubuntu, version: ubuntu-latest}, {name: macos, version: macos-latest}]
     name: ${{matrix.os.name}}
     runs-on: ${{matrix.os.version}}
     steps:
@@ -83,7 +83,7 @@ jobs:
         Debug/luau-compile tests/conformance/assert.lua
 
   coverage:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-20.04 # needed for clang++-10 to avoid gcov compatibility issues
     steps:
     - uses: actions/checkout@v2
     - name: install
@@ -99,7 +99,7 @@ jobs:
         token: ${{ secrets.CODECOV_TOKEN }}
 
   web:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v1
     - uses: actions/checkout@v2
diff --git a/.github/workflows/new-release.yml b/.github/workflows/new-release.yml
index 52b2eb0c..078a18f9 100644
--- a/.github/workflows/new-release.yml
+++ b/.github/workflows/new-release.yml
@@ -12,7 +12,7 @@ permissions:
 
 jobs:
   create-release:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     outputs:
       upload_url: ${{ steps.create_release.outputs.upload_url }}
     steps:
@@ -29,7 +29,7 @@ jobs:
   build:
     needs: ["create-release"]
     strategy:
-      matrix:
+      matrix: # using ubuntu-20.04 to build a Linux binary targeting older glibc to improve compatibility
         os: [{name: ubuntu, version: ubuntu-20.04}, {name: macos, version: macos-latest}, {name: windows, version: windows-latest}]
     name: ${{matrix.os.name}}
     runs-on: ${{matrix.os.version}}
@@ -56,7 +56,7 @@ jobs:
 
   web:
     needs: ["create-release"]
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v1
     - uses: actions/checkout@v2
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index f796a7c1..7d8a5c44 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -13,7 +13,7 @@ on:
 jobs:
   build:
     strategy:
-      matrix:
+      matrix: # using ubuntu-20.04 to build a Linux binary targeting older glibc to improve compatibility
         os: [{name: ubuntu, version: ubuntu-20.04}, {name: macos, version: macos-latest}, {name: windows, version: windows-latest}]
     name: ${{matrix.os.name}}
     runs-on: ${{matrix.os.version}}
@@ -35,7 +35,7 @@ jobs:
         path: Release\luau*.exe
 
   web:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v1
     - uses: actions/checkout@v2