diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 483007f3..5897a483 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -10,7 +10,7 @@ on:
 
 jobs:
   mdbook:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24
     concurrency:
       group: ${{ github.workflow }}-${{ github.ref }}
     steps:
diff --git a/.github/workflows/miri.yml b/.github/workflows/miri.yml
index 8d698444..7c73a030 100644
--- a/.github/workflows/miri.yml
+++ b/.github/workflows/miri.yml
@@ -12,7 +12,7 @@ name: Miri
 jobs:
   test_miri:
     name: Test (Miri)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24
     steps:
       - uses: actions/checkout@v4.2.2
       - uses: actions-rs/toolchain@v1.0.6
diff --git a/.github/workflows/security.yaml b/.github/workflows/security.yaml
index 6c5d150d..89828351 100644
--- a/.github/workflows/security.yaml
+++ b/.github/workflows/security.yaml
@@ -6,7 +6,7 @@ on:
 
 jobs:
   audit:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24
     steps:
       - name: Checkout the Repository
         uses: actions/checkout@v4.2.2
diff --git a/.github/workflows/semver.yml b/.github/workflows/semver.yml
index 9073641b..9e1ad5c5 100644
--- a/.github/workflows/semver.yml
+++ b/.github/workflows/semver.yml
@@ -8,7 +8,7 @@ name: semver-checks
 jobs:
   semver:
     name: Run cargo-semver-checks
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24
     strategy:
       matrix:
         rust:
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 1211e91b..72aed508 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -46,7 +46,7 @@ jobs:
 
   fmt:
     name: rust fmt
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24
     steps:
       - uses: actions/checkout@v4.2.2
         with:
@@ -61,7 +61,7 @@ jobs:
 
   clippy:
     name: clippy!!
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24
     strategy:
       matrix:
         rust:
@@ -79,7 +79,7 @@ jobs:
 
   msrv:
     name: Verify MSRV
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24
     strategy:
       matrix:
         rust: