diff --git a/.github/workflows/gradle_branch.yml b/.github/workflows/gradle_branch.yml
index f0454433b3..952a2b89c0 100644
--- a/.github/workflows/gradle_branch.yml
+++ b/.github/workflows/gradle_branch.yml
@@ -29,6 +29,6 @@ jobs:
     - name: Build RxJava
       run: ./gradlew build --stacktrace
     - name: Upload to Codecov  
-      uses: codecov/codecov-action@v1
+      uses: codecov/codecov-action@v1.5.0
     - name: Generate Javadoc
       run: ./gradlew javadoc --stacktrace
diff --git a/.github/workflows/gradle_pr.yml b/.github/workflows/gradle_pr.yml
index dbf3d6f1ca..962203d3df 100644
--- a/.github/workflows/gradle_pr.yml
+++ b/.github/workflows/gradle_pr.yml
@@ -29,6 +29,6 @@ jobs:
     - name: Build RxJava
       run: ./gradlew build --stacktrace
     - name: Upload to Codecov  
-      uses: codecov/codecov-action@v1
+      uses: codecov/codecov-action@v1.5.0
     - name: Generate Javadoc
       run: ./gradlew javadoc --stacktrace
diff --git a/.github/workflows/gradle_release.yml b/.github/workflows/gradle_release.yml
index bbce6f6b43..15503e17b6 100644
--- a/.github/workflows/gradle_release.yml
+++ b/.github/workflows/gradle_release.yml
@@ -38,7 +38,7 @@ jobs:
     - name: Build RxJava
       run: ./gradlew build --stacktrace --no-daemon
     - name: Upload to Codecov  
-      uses: codecov/codecov-action@v1
+      uses: codecov/codecov-action@v1.5.0
     - name: Upload release
       run: ./gradlew -PreleaseMode=full uploadArchives --no-daemon --no-parallel --stacktrace
       env:
diff --git a/.github/workflows/gradle_snapshot.yml b/.github/workflows/gradle_snapshot.yml
index d0d0ddea2c..6ca347425f 100644
--- a/.github/workflows/gradle_snapshot.yml
+++ b/.github/workflows/gradle_snapshot.yml
@@ -41,7 +41,7 @@ jobs:
         ORG_GRADLE_PROJECT_mavenCentralUsername: ${{ secrets.SONATYPE_USER }}
         ORG_GRADLE_PROJECT_mavenCentralPassword: ${{ secrets.SONATYPE_PASSWORD }}
     - name: Upload to Codecov  
-      uses: codecov/codecov-action@v1
+      uses: codecov/codecov-action@v1.5.0
     - name: Push Javadoc
       run: ./push_javadoc.sh
         # Define secrets at https://github.com/ReactiveX/RxJava/settings/secrets/actions