diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 60831c52..3419dec0 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -36,7 +36,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [windows-2022, ubuntu-22.04, macos-13, ]
+        os: [windows-2022, ubuntu-22.04, macos-15-intel]
         language: [ 'cpp' ]
         # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python' ]
         # Learn more:
@@ -44,11 +44,11 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v3
+      uses: github/codeql-action/init@v4
       with:
         languages: ${{ matrix.language }}
         # If you wish to specify custom queries, you can do so here or in a config file.
@@ -75,4 +75,4 @@ jobs:
        cmake --build .
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v3
+      uses: github/codeql-action/analyze@v4
diff --git a/.github/workflows/mac-ci.yml b/.github/workflows/mac-ci.yml
index 9ea93930..537746ce 100644
--- a/.github/workflows/mac-ci.yml
+++ b/.github/workflows/mac-ci.yml
@@ -6,7 +6,7 @@ on:
       os-version:
         description: 'OS version to run the workflow'
         required: false
-        default: 'macos-13'
+        default: 'macos-15-intel'
         type: string
       colcon-args:
         description: 'Extra arguments for colcon cli'
@@ -49,7 +49,7 @@ jobs:
     with:
       # It would be desirable to have a matrix of macos OS for this job, but due to the issue opened in this ticket:
       # https://github.com/orgs/community/discussions/128118 , it has been set as a single OS job.
-      os-version: ${{ inputs.os-version || 'macos-13' }}
+      os-version: ${{ inputs.os-version || 'macos-15-intel' }}
       label: ${{ format('mac-ci-{0}', inputs.fastcdr-branch || github.ref) }}
       colcon-args: ${{ inputs.colcon-args }}
       cmake-args: ${{ inputs.cmake-args }}
diff --git a/.github/workflows/nightly-mac-ci.yml b/.github/workflows/nightly-mac-ci.yml
index 98eccc0d..b906e166 100644
--- a/.github/workflows/nightly-mac-ci.yml
+++ b/.github/workflows/nightly-mac-ci.yml
@@ -9,7 +9,7 @@ jobs:
   nightly-mac-ci-master:
     uses: eProsima/Fast-CDR/.github/workflows/reusable-ci.yml@master
     with:
-      os-version: 'macos-13'
+      os-version: 'macos-15-intel'
       label: 'nightly-mac-ci-master'
       fastcdr-branch: 'master'
       run-build: true
@@ -19,7 +19,7 @@ jobs:
   nightly-mac-ci-2_2_x:
     uses: eProsima/Fast-CDR/.github/workflows/reusable-ci.yml@2.2.x
     with:
-      os-version: 'macos-13'
+      os-version: 'macos-15-intel'
       label: 'nightly-mac-ci-2.2.x'
       fastcdr-branch: '2.2.x'
       run-build: true
@@ -29,7 +29,7 @@ jobs:
   nightly-mac-ci-1_0_x:
     uses: eProsima/Fast-CDR/.github/workflows/reusable-ci.yml@1.0.x
     with:
-      os-version: 'macos-13'
+      os-version: 'macos-15-intel'
       label: 'nightly-mac-ci-1.0.x'
       fastcdr-branch: '1.0.x'
       run-build: true
diff --git a/.github/workflows/nightly-ubuntu-ci.yml b/.github/workflows/nightly-ubuntu-ci.yml
index a183a12d..4b2255a4 100644
--- a/.github/workflows/nightly-ubuntu-ci.yml
+++ b/.github/workflows/nightly-ubuntu-ci.yml
@@ -29,7 +29,7 @@ jobs:
   nightly-ubuntu-ci-1_0_x:
     uses: eProsima/Fast-CDR/.github/workflows/reusable-ci.yml@1.0.x
     with:
-      os-version: 'ubuntu-20.04'
+      os-version: 'ubuntu-22.04'
       label: 'nightly-ubuntu-ci-1.0.x'
       fastcdr-branch: '1.0.x'
       run-build: true