diff --git a/RELEASE.md b/RELEASE.md
index 9ef9c62..9e44deb 100644
--- a/RELEASE.md
+++ b/RELEASE.md
@@ -22,7 +22,7 @@ Requirements
 
 	* Perforce server at Release 2021.1 or higher.
 
-	* Java: full standard JDK 11 or later.  Implementation as
+	* Java: full standard JDK 8 or later.  Implementation as
 	  discussed in "Known Limitations" below.
 
 	* SSL: unlimited strength JCE (Java Cryptography Extension) package for
diff --git a/build.gradle b/build.gradle
index 606fe2f..262192b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,8 +7,8 @@ plugins {
 group = 'com.perforce'
 version = project.hasProperty('ver') ? project.ext.ver : 'PREP-TEST_ONLY'
 
-sourceCompatibility = 11
-targetCompatibility = 11
+sourceCompatibility = JavaVersion.VERSION_1_8
+targetCompatibility = JavaVersion.VERSION_1_8
 
 repositories {
     maven { url "https://repo.maven.apache.org/maven2" }