diff --git a/.cloudbuild/cloudbuild-test-a.yaml b/.cloudbuild/cloudbuild-test-a.yaml
index 75a8d32f..b33da5f1 100644
--- a/.cloudbuild/cloudbuild-test-a.yaml
+++ b/.cloudbuild/cloudbuild-test-a.yaml
@@ -14,7 +14,7 @@
 
 timeout: 7200s # 2 hours
 substitutions:
-  _JAVA_SHARED_CONFIG_VERSION: '1.15.4-SNAPSHOT' # {x-version-update:google-cloud-shared-config:current}
+  _JAVA_SHARED_CONFIG_VERSION: '1.15.4' # {x-version-update:google-cloud-shared-config:current}
 
 steps:
   # GraalVM A build
diff --git a/.cloudbuild/cloudbuild-test-b.yaml b/.cloudbuild/cloudbuild-test-b.yaml
index cbc77e44..edc881b6 100644
--- a/.cloudbuild/cloudbuild-test-b.yaml
+++ b/.cloudbuild/cloudbuild-test-b.yaml
@@ -14,7 +14,7 @@
 
 timeout: 7200s # 2 hours
 substitutions:
-  _JAVA_SHARED_CONFIG_VERSION: '1.15.4-SNAPSHOT' # {x-version-update:google-cloud-shared-config:current}
+  _JAVA_SHARED_CONFIG_VERSION: '1.15.4' # {x-version-update:google-cloud-shared-config:current}
 
 steps:
   # GraalVM B build
diff --git a/.cloudbuild/cloudbuild-test-c.yaml b/.cloudbuild/cloudbuild-test-c.yaml
index 524f5da2..234bcc4f 100644
--- a/.cloudbuild/cloudbuild-test-c.yaml
+++ b/.cloudbuild/cloudbuild-test-c.yaml
@@ -14,7 +14,7 @@
 
 timeout: 7200s # 2 hours
 substitutions:
-  _JAVA_SHARED_CONFIG_VERSION: '1.15.4-SNAPSHOT' # {x-version-update:google-cloud-shared-config:current}
+  _JAVA_SHARED_CONFIG_VERSION: '1.15.4' # {x-version-update:google-cloud-shared-config:current}
 
 steps:
   # GraalVM C build
diff --git a/.cloudbuild/cloudbuild.yaml b/.cloudbuild/cloudbuild.yaml
index a7804bb3..41889340 100644
--- a/.cloudbuild/cloudbuild.yaml
+++ b/.cloudbuild/cloudbuild.yaml
@@ -14,7 +14,7 @@
 
 timeout: 7200s # 2 hours
 substitutions:
-  _JAVA_SHARED_CONFIG_VERSION: '1.15.4-SNAPSHOT' # {x-version-update:google-cloud-shared-config:current}
+  _JAVA_SHARED_CONFIG_VERSION: '1.15.4' # {x-version-update:google-cloud-shared-config:current}
   _IMAGE_REPOSITORY: us-docker.pkg.dev/java-graalvm-ci-prod/graalvm-integration-testing
   _COMMIT_HASH_TAG: infrastructure-public-image-${SHORT_SHA}
 steps:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1766558c..02a10aab 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.15.4](https://github.com/googleapis/java-shared-config/compare/v1.15.3...v1.15.4) (2025-04-15)
+
+
+### Bug Fixes
+
+* Use recommended variable expansion syntax ([#1016](https://github.com/googleapis/java-shared-config/issues/1016)) ([6ff6dc4](https://github.com/googleapis/java-shared-config/commit/6ff6dc48b8d92604164da7c68e268476b5a16578))
+
 ## [1.15.3](https://github.com/googleapis/java-shared-config/compare/v1.15.2...v1.15.3) (2025-04-15)
 
 
diff --git a/java-shared-config/pom.xml b/java-shared-config/pom.xml
index 5d1a4c5b..fc9e015d 100644
--- a/java-shared-config/pom.xml
+++ b/java-shared-config/pom.xml
@@ -6,7 +6,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-shared-config</artifactId>
   <packaging>pom</packaging>
-  <version>1.15.4-SNAPSHOT</version><!-- {x-version-update:google-cloud-shared-config:current} -->
+  <version>1.15.4</version><!-- {x-version-update:google-cloud-shared-config:current} -->
   <name>Google Cloud Shared Config</name>
   <url>https://github.com/googleapis/java-shared-config</url>
   <description>
@@ -16,7 +16,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>native-image-shared-config</artifactId>
-    <version>1.15.4-SNAPSHOT</version><!-- {x-version-update:google-cloud-shared-config:current} -->
+    <version>1.15.4</version><!-- {x-version-update:google-cloud-shared-config:current} -->
     <relativePath>../native-image-shared-config</relativePath>
   </parent>
 
diff --git a/native-image-shared-config/pom.xml b/native-image-shared-config/pom.xml
index 2f6891db..1ac205bc 100644
--- a/native-image-shared-config/pom.xml
+++ b/native-image-shared-config/pom.xml
@@ -6,7 +6,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>native-image-shared-config</artifactId>
   <packaging>pom</packaging>
-  <version>1.15.4-SNAPSHOT</version><!-- {x-version-update:google-cloud-shared-config:current} -->
+  <version>1.15.4</version><!-- {x-version-update:google-cloud-shared-config:current} -->
   <name>Native Image Shared Config</name>
   <url>https://github.com/googleapis/java-shared-config</url>
   <description>
diff --git a/versions.txt b/versions.txt
index 1cd7ce92..31d6cdd7 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,4 +1,4 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-shared-config:1.15.3:1.15.4-SNAPSHOT
+google-cloud-shared-config:1.15.4:1.15.4