diff --git a/.github/workflows/check-samples.yml b/.github/workflows/check-samples.yml
index 11ceaed..69dff9f 100644
--- a/.github/workflows/check-samples.yml
+++ b/.github/workflows/check-samples.yml
@@ -6,7 +6,7 @@ on:
 jobs:
   check_samples:
     name: Check Samples project
-    if: github.repository == 'spring-projects/spring-grpc'
+    if: ${{ github.repository == 'spring-projects/spring-grpc' }}
     strategy:
       matrix:
         include:
diff --git a/.github/workflows/ci-pr.yml b/.github/workflows/ci-pr.yml
index ab0a666..ea48ec1 100644
--- a/.github/workflows/ci-pr.yml
+++ b/.github/workflows/ci-pr.yml
@@ -10,7 +10,7 @@ on:
 jobs:
   build_and_verify:
     name: Build and Verify
-    if: github.repository == 'spring-projects/spring-grpc'
+    if: ${{ github.repository == 'spring-projects/spring-grpc' }}
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -21,11 +21,7 @@ jobs:
           distribution: 'temurin'
           cache: maven
       - name: Build and test
-        env:
-          signing_key: ${{ secrets.GPG_PRIVATE_KEY }}
         run: |
-          echo "${signing_key}" > private.asc
-          gpg --import --batch --no-tty private.asc
           ./mvnw -B clean install
       - name: Capture Test Results
         if: failure()
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 6a31a45..55c26c5 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -12,7 +12,7 @@ permissions:
   contents: write
 jobs:
   build:
-    if: github.repository_owner == 'spring-projects'
+    if: ${{ github.repository == 'spring-projects/spring-grpc' }}
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
@@ -27,9 +27,10 @@ jobs:
         cache: maven
     - name: Set up refname build
       if: github.event.inputs.build-refname
+      env:
+        BUILD_REFNAME=${{ github.event.inputs.build-refname }}
       run: |
-        git fetch --depth 1 https://github.com/$GITHUB_REPOSITORY ${{ github.event.inputs.build-refname }}
-        export BUILD_REFNAME=${{ github.event.inputs.build-refname }}
+        git fetch --depth 1 https://github.com/$GITHUB_REPOSITORY "$BUILD_REFNAME"
         echo "BUILD_REFNAME=$BUILD_REFNAME" >> $GITHUB_ENV
         export BUILD_VERSION=$(git cat-file --textconv FETCH_HEAD:pom.xml | python3 -c "import xml.etree.ElementTree as xml; from sys import stdin; print(xml.parse(stdin).getroot().find('{http://maven.apache.org/POM/4.0.0}version').text)")
         echo BUILD_VERSION=$BUILD_VERSION >> $GITHUB_ENV