diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3d5e1a8ea5..7ce0c50574 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -2,9 +2,9 @@ name: Build
 
 on:
   push:
-    branches: [ master ]
+    branches: [ main ]
   pull_request:
-    branches: [ master ]
+    branches: [ main ]
   workflow_dispatch:
 
 jobs:
diff --git a/.github/workflows/publish-snapshot.yml b/.github/workflows/publish-snapshot.yml
index 01082da628..a1b1cb177b 100644
--- a/.github/workflows/publish-snapshot.yml
+++ b/.github/workflows/publish-snapshot.yml
@@ -3,7 +3,7 @@ name: Publish snapshot
 on:
   workflow_run:
     workflows: [ 'Build' ]
-    branches: [ master ]
+    branches: [ main ]
     types: [ completed ]
 
 jobs:
@@ -11,9 +11,10 @@ jobs:
     if: ${{ github.event.workflow_run.conclusion == 'success' }}
     runs-on: ubuntu-latest
     env:
-      OSSRH_USERNAME: ${{ secrets.OSSRH_USERNAME }}
+      OSSRH_USERNAME: ${{ secrets.OSSRH_WEB3J_USERNAME }}
       OSSRH_PASSWORD: ${{ secrets.OSSRH_PASSWORD }}
-      GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
+      OSSRH_GPG_SECRET_KEY_PASSWORD: ${{ secrets.OSSRH_GPG_SECRET_KEY_PASSWORD }}
+      OSSRH_GPG_SECRET_KEY: ${{ secrets.OSSRH_GPG_SECRET_KEY }}
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - uses: actions/checkout@v2
@@ -29,8 +30,6 @@ jobs:
           restore-keys: ${{ runner.os }}-gradle
       - name: Grant execute permission for gradlew
         run: chmod +x gradlew
-      - name: Decrypt secret key
-        run: openssl aes-256-cbc -K ${{ secrets.GPG_KEY }} -iv ${{ secrets.GPG_IV }} -in web3j.asc.enc -out web3j.asc -d
       - name: Publish snapshot
         run: ./gradlew publish
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index bdd655175c..e997d886cd 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -7,9 +7,10 @@ jobs:
   release:
     runs-on: ubuntu-latest
     env:
-      OSSRH_USERNAME: ${{ secrets.OSSRH_USERNAME }}
+      OSSRH_USERNAME: ${{ secrets.OSSRH_WEB3J_USERNAME }}
       OSSRH_PASSWORD: ${{ secrets.OSSRH_PASSWORD }}
-      GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
+      OSSRH_GPG_SECRET_KEY_PASSWORD: ${{ secrets.OSSRH_GPG_SECRET_KEY_PASSWORD }}
+      OSSRH_GPG_SECRET_KEY: ${{ secrets.OSSRH_GPG_SECRET_KEY }}
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - uses: actions/checkout@v2
@@ -36,8 +37,6 @@ jobs:
           restore-keys: ${{ runner.os }}-gradle
       - name: Grant execute permission for gradlew
         run: chmod +x gradlew
-      - name: Decrypt secret key
-        run: openssl aes-256-cbc -K ${{ secrets.GPG_KEY }} -iv ${{ secrets.GPG_IV }} -in web3j.asc.enc -out web3j.asc -d
       - name: Release name
         id: release_name
         uses: actions/github-script@v4
diff --git a/build.gradle b/build.gradle
index 451b8b4736..2e6b3b7f76 100644
--- a/build.gradle
+++ b/build.gradle
@@ -43,7 +43,7 @@ description 'Web3j base project.'
     'spotless'
 ].each { buildScript ->
     download {
-        src "https://raw.githubusercontent.com/web3j/build-tools/master/gradle/$buildScript/build.gradle"
+        src "https://raw.githubusercontent.com/hyperledger/web3j-build-tools/main/gradle/$buildScript/build.gradle"
         dest "$rootDir/gradle/$buildScript/build.gradle"
         overwrite false
         quiet true
diff --git a/gradle/publish/build.gradle b/gradle/publish/build.gradle
index 9cc5f449d3..6083f89e58 100644
--- a/gradle/publish/build.gradle
+++ b/gradle/publish/build.gradle
@@ -48,9 +48,9 @@ publishing {
                         slug = project.rootProjectOverride
                     }
 
-                    url = "https://github.com/web3j/$slug"
-                    connection = "scm:https://github.com/web3j/${slug}.git"
-                    developerConnection = "scm:git://github.com/web3j/${slug}.git"
+                    url = "https://github.com/hyperledger/$slug"
+                    connection = "scm:https://github.com/hyperledger/${slug}.git"
+                    developerConnection = "scm:git://github.com/hyperledger/${slug}.git"
                 }
 
                 developers {
@@ -84,8 +84,7 @@ nexusStaging {
 
 signing {
     sign publishing.publications.maven
-    def signingKey = new File("$rootDir/web3j.asc")
-    if (signingKey.exists()) {
-        useInMemoryPgpKeys(signingKey.getText('UTF-8'), System.getenv('GPG_PASSPHRASE'))
-    }
-}
+    def gpgSecretKey = System.getenv('OSSRH_GPG_SECRET_KEY')
+    def password = System.getenv('OSSRH_GPG_SECRET_KEY_PASSWORD')
+    useInMemoryPgpKeys(gpgSecretKey, password)
+}
\ No newline at end of file