diff --git a/HISTORY.md b/HISTORY.md
index 0607194d..99648907 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,5 +1,8 @@
 # JLineup Release History
 
+## Release 4.3.4 - 2021-08-26
+* Fix rounding bug in maxDiff configuration (https://github.com/otto-de/jlineup/issues/82)
+
 ## Release 4.3.3 - 2021-07-08
 * Dependency updates
 
diff --git a/README.md b/README.md
index 2684c33b..d118dc67 100644
--- a/README.md
+++ b/README.md
@@ -58,7 +58,7 @@ JLineup CLI comes as executable Java Archive. Java 8 or higher has to be availab
 
 Open a terminal and download it like this:
 
-    wget https://repo1.maven.org/maven2/de/otto/jlineup-cli/4.3.3/jlineup-cli-4.3.3.jar -O jlineup.jar
+    wget https://repo1.maven.org/maven2/de/otto/jlineup-cli/4.3.4/jlineup-cli-4.3.4.jar -O jlineup.jar
 
 Then type
 
@@ -77,10 +77,10 @@ Let's assume, this is part of a continuous integration pipeline:
 
 ## Browser Compatibility
 
-JLineup 4.3.3 was tested successfully with
+JLineup 4.3.4 was tested successfully with
 
-* Chrome 89.x
-* Firefox 86.x
+* Chrome 92.x
+* Firefox 91.x
 * PhantomJS 2.1.1 (auto-downloaded by JLineup if not installed)
         
 Chrome or Firefox have to be installed on the system if you want to use one of them.
diff --git a/build.gradle b/build.gradle
index 1cc46ea9..6e154d34 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,7 @@
 buildscript {
     ext {
         springBootVersion = '2.5.4'
-        springVersion = '5.3.8.RELEASE'
+        springVersion = '5.3.9.RELEASE'
     }
     repositories {
         mavenCentral()
@@ -23,7 +23,7 @@ plugins {
 //\
 ///\
 ////\
-def jlineup_version = "4.3.4-SNAPSHOT"
+def jlineup_version = "4.3.4"
 /////
 ////
 ///
diff --git a/cli/graalvm/build-native-image.sh b/cli/graalvm/build-native-image.sh
index c7212d90..fdb43d34 100755
--- a/cli/graalvm/build-native-image.sh
+++ b/cli/graalvm/build-native-image.sh
@@ -59,7 +59,7 @@ cd cli
 `#--static` \
 `#-H:+TraceSecurityServices` \
 `#-H:+TraceClassInitialization` \
--jar build/libs/jlineup-cli-4.3.3-all.jar
+-jar build/libs/jlineup-cli-4.3.4-all.jar
 
 echo ""
 echo "DONE BUILDING NATIVE IMAGE"
@@ -71,13 +71,13 @@ echo ""
 echo "STARTING TEST RUN"
 echo ""
 
-mv jlineup-cli-4.3.3-all build/libs/jlineup-cli-4.3.3-all
+mv jlineup-cli-4.3.4-all build/libs/jlineup-cli-4.3.4-all
 rm ~/.m2/repository/webdriver -rf
-./build/libs/jlineup-cli-4.3.3-all -Dwdm.architecture=X64 --config graalvm/lineup_chrome_headless.json --step before
+./build/libs/jlineup-cli-4.3.4-all -Dwdm.architecture=X64 --config graalvm/lineup_chrome_headless.json --step before
 
 set +e
 
-./build/libs/jlineup-cli-4.3.3-all -Dwdm.architecture=X64 --config graalvm/lineup_chrome_headless.json --step after
+./build/libs/jlineup-cli-4.3.4-all -Dwdm.architecture=X64 --config graalvm/lineup_chrome_headless.json --step after
 
 set -e
 
diff --git a/cli/graalvm/prepare-native-image-build.sh b/cli/graalvm/prepare-native-image-build.sh
index 299c2d5d..86e3576f 100755
--- a/cli/graalvm/prepare-native-image-build.sh
+++ b/cli/graalvm/prepare-native-image-build.sh
@@ -38,10 +38,10 @@ echo ""
 echo "$JAVA_HOME"
 
 cd cli
-"${GRAAL_HOME}"/bin/java -agentlib:native-image-agent=config-output-dir=graalvm -jar build/libs/jlineup-cli-4.3.3-all.jar --config graalvm/lineup_chrome_headless.json --step before || true
-"${GRAAL_HOME}"/bin/java -agentlib:native-image-agent=config-merge-dir=graalvm -jar build/libs/jlineup-cli-4.3.3-all.jar --config graalvm/lineup_chrome_headless.json --step after || true
-"${GRAAL_HOME}"/bin/java -agentlib:native-image-agent=config-merge-dir=graalvm -jar build/libs/jlineup-cli-4.3.3-all.jar --config graalvm/lineup_firefox_headless.json --step before || true
-"${GRAAL_HOME}"/bin/java -agentlib:native-image-agent=config-merge-dir=graalvm -jar build/libs/jlineup-cli-4.3.3-all.jar --config graalvm/lineup_chrome.json --step before || true
-"${GRAAL_HOME}"/bin/java -agentlib:native-image-agent=config-merge-dir=graalvm -jar build/libs/jlineup-cli-4.3.3-all.jar --url www.otto.de --step before || true
+"${GRAAL_HOME}"/bin/java -agentlib:native-image-agent=config-output-dir=graalvm -jar build/libs/jlineup-cli-4.3.4-all.jar --config graalvm/lineup_chrome_headless.json --step before || true
+"${GRAAL_HOME}"/bin/java -agentlib:native-image-agent=config-merge-dir=graalvm -jar build/libs/jlineup-cli-4.3.4-all.jar --config graalvm/lineup_chrome_headless.json --step after || true
+"${GRAAL_HOME}"/bin/java -agentlib:native-image-agent=config-merge-dir=graalvm -jar build/libs/jlineup-cli-4.3.4-all.jar --config graalvm/lineup_firefox_headless.json --step before || true
+"${GRAAL_HOME}"/bin/java -agentlib:native-image-agent=config-merge-dir=graalvm -jar build/libs/jlineup-cli-4.3.4-all.jar --config graalvm/lineup_chrome.json --step before || true
+"${GRAAL_HOME}"/bin/java -agentlib:native-image-agent=config-merge-dir=graalvm -jar build/libs/jlineup-cli-4.3.4-all.jar --url www.otto.de --step before || true
 
 #-J-Djava.security.properties=graalvm/java.security.overrides \
diff --git a/docs/CLI.md b/docs/CLI.md
index 66bb02bf..cbd991ea 100644
--- a/docs/CLI.md
+++ b/docs/CLI.md
@@ -11,7 +11,7 @@ support. It may also work under MacOS or Windows, but we don't test this.
 You can simply download the CLI version by getting the jlineup-cli.jar
 from Maven Central in a terminal window:
 
-`wget https://repo1.maven.org/maven2/de/otto/jlineup-cli/4.3.3/jlineup-cli-4.3.3.jar -O jlineup.jar`
+`wget https://repo1.maven.org/maven2/de/otto/jlineup-cli/4.3.4/jlineup-cli-4.3.4.jar -O jlineup.jar`
 
 Now you have a `jlineup.jar` in your current directory.
 
diff --git a/docs/WEB.md b/docs/WEB.md
index c9777700..353690f4 100644
--- a/docs/WEB.md
+++ b/docs/WEB.md
@@ -8,7 +8,7 @@ interface to take JLineup jobs. JLineup WEB requires at least Java 11.
 You can simply download the web version by getting the jlineup-web.jar
 from Maven Central in a terminal window:
 
-`wget https://repo1.maven.org/maven2/de/otto/jlineup-web/4.3.3/jlineup-web-4.3.3.jar -O jlineup-web.jar`
+`wget https://repo1.maven.org/maven2/de/otto/jlineup-web/4.3.4/jlineup-web-4.3.4.jar -O jlineup-web.jar`
 
 Now you have a `jlineup-web.jar` in your current directory.
 
diff --git a/web/Dockerfile b/web/Dockerfile
index 9b56d403..2520eeb1 100644
--- a/web/Dockerfile
+++ b/web/Dockerfile
@@ -6,7 +6,7 @@ RUN apt-get update \
     && apt-get upgrade -y \
     && apt-get install -y wget \
     && apt-get install -yf default-jre-headless chromium firefox-esr libjpeg-progs \
-    && wget -U "jlineup-docker" -O jlineup-web.jar https://repo1.maven.org/maven2/de/otto/jlineup-web/4.3.3/jlineup-web-4.3.3.jar
+    && wget -U "jlineup-docker" -O jlineup-web.jar https://repo1.maven.org/maven2/de/otto/jlineup-web/4.3.4/jlineup-web-4.3.4.jar
 ADD docker/application.yml application.yml
 RUN apt-get remove --auto-remove perl -yf && apt-get purge --auto-remove perl -yf
 EXPOSE 8080