diff --git a/.github/workflows/documentation.yaml b/.github/workflows/documentation.yaml
index f568df2ac..0712e2bf6 100644
--- a/.github/workflows/documentation.yaml
+++ b/.github/workflows/documentation.yaml
@@ -21,7 +21,7 @@ jobs:
 
     - uses: actions/setup-go@v1
       with:
-        go-version: '1.13.x'
+        go-version: '1.15.x'
 
     - name: Install Groovy
       run: sudo apt-get update && sudo apt-get install groovy -y
diff --git a/.github/workflows/integration-tests-pr.yaml b/.github/workflows/integration-tests-pr.yaml
index 41f1122a0..da3cd4745 100644
--- a/.github/workflows/integration-tests-pr.yaml
+++ b/.github/workflows/integration-tests-pr.yaml
@@ -76,7 +76,7 @@ jobs:
           curl --location --request POST 'https://api.github.com/repos/SAP/jenkins-library/statuses/${{ steps.commitId.outputs.commitId }}' -H 'Content-Type: application/json' --data '{"state": "pending", "context": "Go / integration-tests", "target_url": "https://github.com/SAP/jenkins-library/actions/runs/${{ github.run_id }}"}' -H 'Authorization: token ${{secrets.INTEGRATION_TEST_VOTING_TOKEN}}'
       - uses: actions/setup-go@v1
         with:
-          go-version: '1.13.x'
+          go-version: '1.15.x'
       - name: build
         env:
           CGO_ENABLED: 0
diff --git a/.github/workflows/integration-tests.yaml b/.github/workflows/integration-tests.yaml
index 7114d09ce..cb0ebb382 100644
--- a/.github/workflows/integration-tests.yaml
+++ b/.github/workflows/integration-tests.yaml
@@ -55,7 +55,7 @@ jobs:
           curl --location --request POST 'https://api.github.com/repos/SAP/jenkins-library/statuses/${{ steps.commitId.outputs.commitId }}' -H 'Content-Type: application/json' --data '{"state": "pending", "context": "Go / integration-tests", "target_url": "https://github.com/SAP/jenkins-library/actions/runs/${{ github.run_id }}"}' -H 'Authorization: token ${{secrets.INTEGRATION_TEST_VOTING_TOKEN}}'
       - uses: actions/setup-go@v1
         with:
-          go-version: '1.13.x'
+          go-version: '1.15.x'
       - name: build
         env:
           CGO_ENABLED: 0
diff --git a/.github/workflows/update-go-dependencies.yaml b/.github/workflows/update-go-dependencies.yaml
index db395d0a0..b3a34749f 100644
--- a/.github/workflows/update-go-dependencies.yaml
+++ b/.github/workflows/update-go-dependencies.yaml
@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-go@v1
         with:
-          go-version: '1.13.x'
+          go-version: '1.15.x'
       - name: Perform update
         run: |
           git checkout -B gh-action-update-golang-dependencies
diff --git a/.github/workflows/upload-go-master.yml b/.github/workflows/upload-go-master.yml
index a2639a0a3..7aab581d7 100644
--- a/.github/workflows/upload-go-master.yml
+++ b/.github/workflows/upload-go-master.yml
@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v1
       - uses: actions/setup-go@v1
         with:
-          go-version: '1.13.x'
+          go-version: '1.15.x'
       - env:
           CGO_ENABLED: 0
         run: |
diff --git a/.github/workflows/verify-go.yml b/.github/workflows/verify-go.yml
index 2bf150415..dbf1d32e0 100644
--- a/.github/workflows/verify-go.yml
+++ b/.github/workflows/verify-go.yml
@@ -14,7 +14,7 @@ jobs:
     steps:
     - uses: actions/setup-go@v1
       with:
-        go-version: '1.13.x'
+        go-version: '1.15.x'
     - name: Cache Golang Packages
       uses: actions/cache@v1
       with:
@@ -38,7 +38,7 @@ jobs:
     steps:
     - uses: actions/setup-go@v1
       with:
-        go-version: '1.13.x'
+        go-version: '1.15.x'
     - name: Cache Golang Packages
       uses: actions/cache@v1
       with:
@@ -58,7 +58,7 @@ jobs:
     steps:
     - uses: actions/setup-go@v1
       with:
-        go-version: '1.13.x'
+        go-version: '1.15.x'
     - name: Cache Golang Packages
       uses: actions/cache@v1
       with:
@@ -78,7 +78,7 @@ jobs:
     steps:
     - uses: actions/setup-go@v1
       with:
-        go-version: '1.13.x'
+        go-version: '1.15.x'
     - name: Cache Golang Packages
       uses: actions/cache@v1
       with:
diff --git a/Dockerfile b/Dockerfile
index 1ce0eca40..225dcb34f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.13 AS build-env
+FROM golang:1.15 AS build-env
 COPY . /build
 WORKDIR /build
 
diff --git a/go.mod b/go.mod
index 1d9012997..aa27e3469 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/SAP/jenkins-library
 
-go 1.13
+go 1.15
 
 require (
 	github.com/360EntSecGroup-Skylar/excelize/v2 v2.3.0
diff --git a/src/com/sap/piper/PiperGoUtils.groovy b/src/com/sap/piper/PiperGoUtils.groovy
index 3028987b8..25748cada 100644
--- a/src/com/sap/piper/PiperGoUtils.groovy
+++ b/src/com/sap/piper/PiperGoUtils.groovy
@@ -25,7 +25,7 @@ class PiperGoUtils implements Serializable {
 
         if (steps.env.REPOSITORY_UNDER_TEST && steps.env.LIBRARY_VERSION_UNDER_TEST) {
             steps.echo("Running in a consumer test, building unit-under-test binary for verification.")
-            steps.dockerExecute(script: steps, dockerImage: 'golang:1.13', dockerOptions: '-u 0', dockerEnvVars: [
+            steps.dockerExecute(script: steps, dockerImage: 'golang:1.15', dockerOptions: '-u 0', dockerEnvVars: [
                 REPOSITORY_UNDER_TEST: steps.env.REPOSITORY_UNDER_TEST,
                 LIBRARY_VERSION_UNDER_TEST: steps.env.LIBRARY_VERSION_UNDER_TEST
             ]) {