diff --git a/.kokoro/release.sh b/.kokoro/release.sh
index 66ef1e6d..929f8ed1 100644
--- a/.kokoro/release.sh
+++ b/.kokoro/release.sh
@@ -19,6 +19,7 @@ setup_environment_secrets() {
   export SONATYPE_USERNAME=$(cat ${KOKORO_KEYSTORE_DIR}/75669_functions-framework-java-release-bot-sonatype-password | cut -f1 -d':')
   export SONATYPE_PASSWORD=$(cat ${KOKORO_KEYSTORE_DIR}/75669_functions-framework-java-release-bot-sonatype-password | cut -f2 -d':')
   export GPG_PASSPHRASE=$(cat ${KOKORO_KEYSTORE_DIR}/70247_maven-gpg-passphrase)
+  echo $SONATYPE_USERNAME
 
   # Add the key ring files to $GNUPGHOME to verify the GPG credentials.
   export GNUPGHOME=/tmp/gpg
diff --git a/functions-framework-api/pom.xml b/functions-framework-api/pom.xml
index 51d6a67a..8e792243 100644
--- a/functions-framework-api/pom.xml
+++ b/functions-framework-api/pom.xml
@@ -73,7 +73,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-source-plugin</artifactId>
-        <version>3.3.1</version>
+        <version>3.2.1</version>
         <executions>
           <execution>
             <id>attach-sources</id>