diff --git a/.github/workflows/dialyzer.yaml b/.github/workflows/dialyzer.yaml
index 25a0d02..01e5e7e 100644
--- a/.github/workflows/dialyzer.yaml
+++ b/.github/workflows/dialyzer.yaml
@@ -21,7 +21,7 @@ jobs:
         id: setup
         uses: erlef/setup-beam@v1
         with:
-          elixir-version: '1.14.5'
+          elixir-version: '1.15.4'
           otp-version: '26.0'
 
       - name: mix-cache
diff --git a/.github/workflows/quality.yaml b/.github/workflows/quality.yaml
index b277f74..b359f9e 100644
--- a/.github/workflows/quality.yaml
+++ b/.github/workflows/quality.yaml
@@ -30,7 +30,7 @@ jobs:
         id: setup
         uses: erlef/setup-beam@v1
         with:
-          elixir-version: '1.14.5'
+          elixir-version: '1.15.4'
           otp-version: '26.0'
 
       - name: mix-cache
diff --git a/.github/workflows/test-v1.7.yaml b/.github/workflows/test-v1.7.yaml
index 7d3f5c7..0b41335 100644
--- a/.github/workflows/test-v1.7.yaml
+++ b/.github/workflows/test-v1.7.yaml
@@ -17,7 +17,7 @@ jobs:
     strategy:
       matrix:
         include:
-          - elixir: '1.14.5'
+          - elixir: '1.15.4'
             otp: '26.0'
 
     services:
diff --git a/.github/workflows/test-v1.8.yaml b/.github/workflows/test-v1.8.yaml
index ab93ac2..cf71825 100644
--- a/.github/workflows/test-v1.8.yaml
+++ b/.github/workflows/test-v1.8.yaml
@@ -35,7 +35,7 @@ jobs:
           - elixir: '1.14.5'
             otp: '25.3'
             runs-on: ubuntu-22.04
-          - elixir: '1.14.5'
+          - elixir: '1.15.4'
             otp: '26.0'
             runs-on: ubuntu-22.04
 
diff --git a/.github/workflows/test-v2.x.yaml b/.github/workflows/test-v2.x.yaml
index fdc57b4..b7f1f07 100644
--- a/.github/workflows/test-v2.x.yaml
+++ b/.github/workflows/test-v2.x.yaml
@@ -47,12 +47,12 @@ jobs:
             runs-on: ubuntu-22.04
             influxdb_image_version: '2.5.1'
             influxdb_test_version: '2.5'
-          - elixir: '1.14.5'
+          - elixir: '1.15.4'
             otp: '26.0'
             runs-on: ubuntu-22.04
             influxdb_image_version: '2.6.1'
             influxdb_test_version: '2.6'
-          - elixir: '1.14.5'
+          - elixir: '1.15.4'
             otp: '26.0'
             runs-on: ubuntu-22.04
             influxdb_image_version: '2.7.1'