diff --git a/ensure-java-15 b/ensure-java-11
similarity index 85%
rename from ensure-java-15
rename to ensure-java-11
index 8d0b7af..9a01394 100755
--- a/ensure-java-15
+++ b/ensure-java-11
@@ -3,13 +3,13 @@
 JV=`java -version 2>&1 >/dev/null | head -1`
 echo $JV | sed -E 's/^.*version "([^".]*)\.[^"]*".*$/\1/'
 
-if [ "$JV" != 15 ]; then
+if [ "$JV" != 11 ]; then
 	case "$1" in
 	install)
 		echo "Installing sdkman..."
 		curl -s "https://get.sdkman.io" | bash
 		source ~/.sdkman/bin/sdkman-init.sh
-		sdk install java 15.0.2-zulu
+		sdk install java 11.0.11-zulu
 		;;
 	use)
 		echo "must source ~/.sdkman/bin/sdkman-init.sh"
diff --git a/gradle.properties b/gradle.properties
index 68d5b56..7e6c7b3 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,5 +1,5 @@
 # Set the project version
-version=0.4.4
+version=0.4.5
 
 # Set the JVM heap size
 org.gradle.jvmargs=-Xms1g -Xmx2g -XX:MaxMetaspaceSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8 -Dkotlin.daemon.jvm.options=-Xmx1G
diff --git a/jitpack.yml b/jitpack.yml
index 18a7483..51e9d3e 100644
--- a/jitpack.yml
+++ b/jitpack.yml
@@ -1,8 +1,8 @@
 #jdk:
 #  - openjdk9
 before_install:
-  - ./ensure-java-15 install
-  - if ! ./ensure-java-15 use; then source ~/.sdkman/bin/sdkman-init.sh; fi
+  - ./ensure-java-11 install
+  - if ! ./ensure-java-11 use; then source ~/.sdkman/bin/sdkman-init.sh; fi
 install:
   - java -version
   - ./gradlew clean compile test detekt localPublish