diff --git a/.github/workflows/publish-master.yml b/.github/workflows/publish-master.yml
index 268cdc63..d4d3c585 100644
--- a/.github/workflows/publish-master.yml
+++ b/.github/workflows/publish-master.yml
@@ -6,7 +6,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: macos-latest
     steps:
       - uses: actions/checkout@v1
       - name: Set up JDK 1.8
diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index fbe3e446..b6db07c7 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -6,7 +6,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: macos-latest
     steps:
       - uses: actions/checkout@v2
       - name: Set up JDK 1.8
diff --git a/gradle.properties b/gradle.properties
index a1ad8397..950453e4 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,3 +1,3 @@
 kotlin_version = 1.3.72
 kotlin.incremental.multiplatform=true
-version=4.2.0
\ No newline at end of file
+version=4.2.1
\ No newline at end of file