diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c33c8d1a..b50dccd2 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -26,7 +26,7 @@ on:
 jobs:
   run:
     name: Run simulation
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     steps:
       - uses: actions/checkout@v4
         with:
@@ -35,7 +35,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: '1.25'
+          go-version-file: 'go.mod'
           cache: true
 
       - name: Run simulation
diff --git a/.github/workflows/changelog_update.yml b/.github/workflows/changelog_update.yml
index eb7ff6d2..ec5b1073 100644
--- a/.github/workflows/changelog_update.yml
+++ b/.github/workflows/changelog_update.yml
@@ -13,7 +13,7 @@ on:
 jobs:
   check:
     name: Check for CHANGELOG updates
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     steps:
       - uses: actions/checkout@v4
         with:
diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index a0d50567..40a67824 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -21,12 +21,12 @@ jobs:
     strategy:
       matrix:
         go: [ '1.24', '1.25']
-        os: [ubuntu-latest, windows-2022, macos-14]
+        os: [ubuntu-latest, windows-latest, macos-latest]
         exclude:
           # Only latest Go version for Windows and MacOS.
-          - os: windows-2022
+          - os: windows-latest
             go: '1.24'
-          - os: macos-14
+          - os: macos-latest
             go: '1.24'
           # Exclude latest Go version for Ubuntu as Coverage uses it.
           - os: ubuntu-latest
@@ -71,7 +71,7 @@ jobs:
 
   codeql:
     name: CodeQL
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
 
     strategy:
       fail-fast: false
@@ -82,6 +82,10 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v4
 
+    - uses: actions/setup-go@v5
+      with:
+        go-version-file: 'go.mod'
+
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v3
       with: