diff --git a/build.gradle b/build.gradle
index 7cddecda..347ff500 100644
--- a/build.gradle
+++ b/build.gradle
@@ -14,7 +14,7 @@ apply plugin: 'io.spring.convention.root'
 group = 'org.springframework.geode'
 description = 'Spring Boot for Apache Geode & Pivotal GemFire'
 
-//ext['spring.version'] = "$springVersion"
+ext['spring.version'] = "$springVersion"
 ext['spring-data-releasetrain.version'] = "$springDataReleaseTrainVersion"
 
 ext.snapshotBuild = version.endsWith('SNAPSHOT')
diff --git a/gradle.properties b/gradle.properties
index e197075e..8c38ccce 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -4,7 +4,7 @@ byteBuddyVersion=1.9.10
 mockitoVersion=2.28.2
 multithreadedtcVersion=1.01
 pivotalGemFireVersion=9.5.3
-springVersion=5.1.7.RELEASE
+springVersion=5.1.8.RELEASE
 springBootVersion=2.1.4.RELEASE
 springDataGemFireVersion=2.1.9.BUILD-SNAPSHOT
 springDataGeodeVersion=2.1.9.BUILD-SNAPSHOT